rc sailing catamaran plans

RC Wing Sail Catamaran

Introduction: RC Wing Sail Catamaran

This is a Wing Sail Catamaran project that I started over 6 years ago after seeing the new AC 45s introduced to the America's Cup races. The model uses PVC sheet, Carbon Fiber tubing and 377 Dupont Mylar to "skin" the wings. The "Cookie Cutter" construction technique allows me to make quick inexspensive changes to the design without having to scrap a model and start over, everything is tweekable. Two Catamaran models are shown here, but I have created a total of four boats during design development, one of which only sailed once,and poorly. But that one sailing taught me alot, and I started another boat the next day. It's not all about finishing one boat, it's about developing a Platform that can evolve as you learn.

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Immerse yourself in the exciting world of RC boat Plans. 

A Voyage through RC Boat History

Since the earliest days of humankind, water vessels have captivated our imaginations. But in the last century, the thrill of sailing transitioned from vast open oceans to the comforts of our backyards with the evolution of Radio-Controlled (RC) boats . This shift marks an intriguing juncture in our maritime journey. Let’s embark on a voyage through the rich history of RC boats.

• The Dawn of Radio Control: Before RC boats could set sail, radio control technology needed to be invented and refined. The early 20th century saw the emergence of basic remote-controlled devices. As technology advanced post World War II, the application of radio control in hobbyist models began to gain traction.
• The 1950s – Birth of a Hobby:  By the 1950s, the basic principles of radio control were established, allowing enthusiasts to construct their transmitters, receivers, and servos. During this era, the first hobby-grade RC boats started to appear. These early models, often handcrafted from wood or metal, were powered by rudimentary electric or gas engines.
• The 1970s – Commercial Rise: With technological advancements and increasing interest, the 1970s marked a boom in the commercial availability of RC boats. Companies started producing ready-to-run models, kits, and accessories, making it easier for hobbyists to dive into RC boating.
• The 1980s and 90s The Golden Age: With the miniaturization of electronics and improvements in battery technology, the late 20th century was truly the golden age of RC boating. Boats became faster, more durable and even began to mimic real-life counterparts with astonishing accuracy. Racing competitions became popular, further fuelling the growth and innovation in the industry.
• 21st Century – Technological Renaissance: The turn of the century saw increased RC boat diversity. There was an RC model for every maritime enthusiast, from jet boats to sailboats, submarines to hovercrafts. Digital technology allowed for more precise controls, brushless motors offered greater power, and lithium batteries extended run times. Moreover, the advent of 3D printing has given hobbyists the freedom to craft custom parts, further pushing the boundaries of design and functionality.
• Today – A Community Afloat: RC boating is more than just a hobby—it’s a thriving community. Online forums, social media groups, and real-world meet-ups provide enthusiasts platforms to share designs and trade tips and celebrate the joy of sailing on a miniature scale.

In conclusion, the journey of RC boats mirrors the journey of human innovation. From humble beginnings to today’s sophisticated models, RC boats are a testament to our enduring fascination with water and our relentless pursuit of technological progress. As we look to the future, one can only imagine where the tides of innovation will take this beloved hobby next.

Crafting Your RC Boat: Beyond the Purchase

There’s an unmistakable charm in holding a sleek, miniature boat, knowing that you’ve created it. While the market is brimming with ready-to-sail RC boats , crafting your own has a deeper allure. Building an RC boat isn’t just about assembling parts; it’s about imprinting yourself in the creation. Let’s craft an RC boat, moving beyond just purchasing one off the shelf.

• The Thrill of Personal Touch: When you craft your RC boat, every curve, every paint stroke, and every tiny detail becomes an extension of your personality. It’s not merely an object; it’s a testament to your vision, patience, and craftsmanship. Manufacturers’ designs or color schemes do not limit you. Your boat, your rules.
• The Learning Curve: Beyond the allure of customization lies the rewarding challenge of the build. Understanding buoyancy dynamics, propulsion systems’ intricacies, or weight distribution nuances offers a hands-on educational experience. Every challenge faced and overcome adds to your repertoire of skills and knowledge.
• Economics of DIY: While investing in tools and materials might seem costly upfront compared to a ready-to-run model, DIY can be more economical in the long run. With the know-how, repairs, upgrades, or even fleet building becomes significantly cheaper.
• Unraveling Creativity: Crafting your boat gives you the canvas to experiment. Want a hybrid of a speedboat and a yacht? Or perhaps a unique paint job that’s never been seen before? When you’re the builder, the only limit is your imagination.
• Sustainability and Upcycling: DIY allows for sustainable choices. Old materials can find new life in your creations. That discarded piece of wood? It could be your boat’s deck. An old plastic container? It’s your boat’s hull waiting to be shaped.
• Emotional Bonding: The bond you share with something you’ve created from scratch is unparalleled. Every trial and error, every success and setback in the building process, weaves a unique story. The result is not just a boat; it’s a chronicle of your journey.
• Community Engagement: Building your RC boat opens doors to a vibrant community of like-minded enthusiasts. Sharing build logs, seeking advice, and showcasing your creation fosters connections, camaraderie, and collective growth.

While buying an RC boat offers instant gratification, building one provides a deeper, more enriching experience. It’s an endeavor that transcends the act of mere assembly. Crafting your RC boat is about embracing challenges, exploring creativity, and ultimately, basking in the unparalleled satisfaction of watching your vision come to life on the water. So, are you ready to set sail on this crafting adventure?

The Role of a Detailed Plan

A dream without a plan is just a wish. Understand the importance of a meticulous RC boat plan that serves as a roadmap, guiding hobbyists through every twist and turn of the boat-building journey, ensuring a masterpiece upon completion.

Understanding the Basics of RC Boats

Every journey begins with understanding the basics, and the world of RC boats is no different. Before delving into the complexities of RC boat plans , it’s essential to grasp what makes these miniature marvels tick.

The Essence of an RC Boat

Radio Controlled boats are more than just toys; they are a culmination of engineering, design, and passion. These miniature boats operated remotely offer hobbyists a chance to sail, race, and even perform stunts on water surfaces without actually being on the boat.

Core Components: From Hull to Rudder

The beauty of an RC boat lies in its components, each playing a pivotal role:

• Hull: The boat’s body design can vary based on the boat type, affecting its speed, stability, and overall performance.
• Motor: The heart of the RC boat. Depending on the model, it could be electric, nitro-powered, or gas-powered.
• Rudder: This steering device helps in navigating the boat. Positioned at the boat’s stern, it directs the water flow, guiding the boat’s direction.
• Propeller: Transforms the motor’s power into thrust, propelling the boat forward.
• Radio Transmitter and Receiver: The primary tools for communication. The transmitter sends signals, which the receiver on the boat catches, leading to action.
• Battery: Powers the motor and other electronic components. It determines the boat’s runtime.

Charting Different Waters: Types of RC Boat Plans

Just as in the real world, RC boats come in a variety of designs, each tailored for specific activities:

• Sailboats: Powered primarily by sails, they require a deep understanding of wind patterns.
• Racing Boats: Built for speed. They boast streamlined designs and powerful motors.
• Scale Boats: Miniature replicas of real-world boats, focusing on intricate details and aesthetics.
• Submarines: Yes, there are RC submarines too! Designed to dive and resurface, offering a unique experience.
• Tug Boats: Strong and sturdy, often used for pulling or pushing other boats.

By understanding these basics, you’re not just one step closer to building your own RC boat but also appreciating the intricate marvels of these miniature vessels.

Why Choose DIY RC Boat Plans?

While there’s no shortage of ready-to-sail RC boats on the market, the allure of crafting one from scratch is an unmatched experience. Let’s examine why   boat plans  are an irresistible choice for enthusiasts.

Crafting with Passion and Precision

Building an RC boat from a plan is not just assembling parts; it’s an artistic endeavor. It’s about:

• Involvement: Every cut, every screw, every adjustment—you’re involved in each step, understanding the nuances and intricacies of your boat.
• Learning Curve: With each challenge you face and overcome, you learn. Be it understanding materials, aerodynamics, or electronics, the learning never stops.
• Satisfaction: The sense of accomplishment when your handcrafted boat first hits the water is unparalleled. It’s a testament to your dedication and hard work.

The Uniqueness of Customization

When you choose a DIY approach:

• Personal Touch: Your boat will never be just another model. From color choices to design tweaks, it’ll reflect your personality.
• Modifications: Want a faster motor? A sleeker design? With DIY, you’re the master of modifications, not restricted by pre-made designs.
• Innovations: As you grow as a hobbyist, you can incorporate new technologies or features, making your boat a continuous creation project.

Saving Bucks: DIY vs. Pre-made Models

Beyond the passion and customization, there’s a practical advantage:

• Cost-Effective: Building from scratch can be more wallet-friendly. You decide where to splurge and where to save.
• Maintenance: Understanding your boat inside-out means you’re better equipped to handle repairs, potentially saving on maintenance costs.
• Upgrade Path: Instead of buying a new model for an upgrade, you can make incremental changes to your boat, spreading out costs and getting what you want.

In closing, choosing a DIY RC boat plan isn’t just about building a boat; it’s about creating an experience, memories, and skills that last a lifetime.

Essential Tools and Materials for Your RC Boat Blueprint

Crafting an RC boat from a blueprint isn’t just an exercise in creativity; it requires a precise set of tools and the right materials. Let’s break down what you’ll need to make your dream RC boat a reality.

Assembling Your Toolkit: Must-haves for Hobbyists

Before you embark on your boat-building journey, ensure you have these tools at your disposal:

• Cutting Tools: Precision knives, saws, and scissors are essential for detailed cuts.
• Measuring Tools: Rulers, calipers, and protractors to ensure exact dimensions.
• Soldering Kit : For connecting electronic components securely.
• Sandpaper : Different grits for smoothing surfaces.
• Clamps and Vices : To hold components securely during assembly or drying.
• Glues and Adhesives : Wood glue, epoxy, and super glue cater to bonding needs.
• Screwdrivers and Pliers : For those tiny screws and intricate fittings.
• Paint Brushes and Sprayers : For that impeccable finish.

Wood vs. Plastic: What Suits Your Vision?

The primary material you choose will define your boat’s aesthetics, performance, and durability:

• Pros: Offers a classic, authentic look. It’s also easy to shape and modify.
• Cons: Requires more maintenance to prevent water damage.
• Popular Choices: Balsa, plywood, and mahogany are among the favorites.
• Pros: Durable and resistant to water damage. Lightweight and versatile.
• Cons: It might lack the “authentic” feel of wood.
• Types: ABS plastic and polystyrene are commonly used.

Powering Your Craft: Motors and Electronics

The heart and brain of your RC boat:

• Motors: Choose based on desired speed and performance.
• Electric: Quiet and efficient, great for general use.
• Nitro: High-speed performance but requires fuel.
• Gas: Suitable for larger models, offers extended run time.
• Batteries: Capacity and type determine run time. LiPo batteries are famous for their power-to-weight ratio.
• Radio System: Consists of a transmitter (the remote) and a receiver (on the boat). Ensure they’re compatible.
• Servos: These convert radio signals into motion, controlling rudders and sails.

Safety First: Gearing Up Right

Safety is paramount, both during the building process and while sailing:

• Goggles: Protect your eyes from flying debris.
• Gloves: Safeguard against cuts and chemical exposures.
• Ventilation: When using adhesives or paint, ensure good airflow.
• Fire Safety: Especially important when soldering or working with electronics.
• First Aid Kit: For any minor injuries during the crafting process.
• Water Safety: Always retrieve your boat safely. Consider a retrieval boat or a fishing line.

Remember, while the right tools and materials are pivotal, your passion and commitment are crucial in building an RC boat. 

Dive into Popular RC Boat Plans for Hobbyists

Whether you’re just starting or have spent years mastering the art, an RC boat plan is tailored for you. Let’s explore options based on skill level, ensuring every hobbyist finds their perfect match.

Plans Tailored to Your Expertise

It’s essential to choose a plan that aligns with your expertise. Doing so not only ensures a smoother building process but also helps in mastering skills progressively.

Setting Sail: Beginner-Friendly Designs

Just dipping your toes in the RC boat world ? Here are designs tailored for newcomers:

• Simple Tugboats: Their sturdy design makes them forgiving for novices. They focus more on buoyancy and balance rather than speed.
• Basic Sailboats: Have a sail, a rudder, and a hull. These help beginners understand wind dynamics without the complexities of motors.
• Monohull Speedboats: While speed might be in the name, beginner versions are more about straight-line stability than breaking records.

Tip: Look for plans that prioritize minimal parts and straightforward assembly instructions.

Navigating Deeper Waters: Intermediate Plans

Once you’ve got the basics down, it’s time to challenge yourself a bit:

• Dual-Hull Catamarans: With two hulls, these boats offer better stability at higher speeds—a balance between complexity and performance.
• Scale Models: Replicas of real-world boats. While they might be simple in mechanics, the attention to detail can be a fun challenge.
• Nitro-powered Speedboats: Introducing a nitro engine adds complexity in both assembly and maintenance, perfect for hobbyists looking to level up.

Tip: At this stage, focus on plans that offer customization options, allowing you to tweak based on personal preferences.

The Captain’s Challenge: Advanced Blueprints

For those who’ve conquered the seas and are looking for their next big challenge:

• Detailed Warships: Not only do these require intricate detailing, but they also incorporate advanced features like firing cannons or rotating turrets.
• Submarines: The challenge here is not just in the build but also in mastering buoyancy and underwater navigation.
• Hydroplane Racers: These boats sit atop the water, making their dynamics and balance a real test for builders.

Tip: Advanced plans often assume a certain level of expertise.  Ensure you’re comfortable with terminology and techniques before diving in.

Choosing the right plan is crucial, but remember, the journey of building an RC boat is as rewarding as the destination. So, pick a blueprint that excites you and set sail on your boat-building adventure!

Step-by-Step Guide to Building Your Dream RC Boat

Building your RC boat is a journey; like all great journeys, it requires a roadmap. Here’s your step-by-step guide to ensure smooth sailing from start to finish.

Deciphering Your RC Boat Plan

Every great build starts with understanding the blueprint.

• Study the Plan: Before anything else, familiarize yourself with the overall design, components, and terminology.
• List Materials and Tools: List all materials you’ll need based on the plan. Ensure you also have the right tools.
• Understand the Sequence: Some plans have a specific sequence for better efficiency. It’s always good to follow the recommended order.

Crafting the Perfect Hull

It’s crucial to get this part right.

• Select Your Material: Be it wood or plastic, ensure it aligns with your vision and the boat’s purpose.
• Cutting and Shaping: Using the dimensions from your plan, begin cutting out the hull shape. Sand down edges for a smooth finish.
• Assembling the Hull: If your boat has multiple hull pieces, now’s the time to assemble. Use clamps to hold parts together while the adhesive dries.
• Reinforcing: Depending on the design, you might need to support the hull with internal ribs or bulkheads for added strength.

Power Dynamics: Motor and Electronics Installation

Your boat’s heart and brain come to life in this step.

• Selecting a Motor : Choose based on your boat’s size and desired speed. Electric motors are standard, but nitro and gas are options for speed enthusiasts.
• Mounting the Motor : Securely attach the motor to the hull, ensuring it aligns perfectly with the propeller’s location.
• Installing the Electronics : Place the receiver, ensuring it’s well-protected from water. Connect it to the motor and, if applicable, to the rudder servo.
• Testing : Before sealing everything up, run a quick test. Ensure the motor runs smoothly and that the rudder responds to the transmitter.

The Final Touch: Paint and Finish

It is where your boat truly comes to life aesthetically.

• Priming: Before painting, apply a primer. It ensures better paint adherence and offers additional protection to the hull.
• Painting: Choose paints suitable for your material. Consider using bright colors for visibility. Multiple thin coats often work best.
• Decorative Details: If you’re creating a scale model or want added flair, now’s the time to add decals or any other decorative details.
• Sealing: Once everything’s dry, apply a sealant to protect against water and UV damage. It enhances durability and ensures longevity.

With these steps, your dream RC boat should be ready to make waves. Remember, patience and precision are essential.

The success of your RC boat build lies not only in the core steps of the process but also in the finer details and approaches you adopt. Here are some tips to ensure your blueprint turns into a successful RC boat.

Tips to Ensure Your RC Boat Blueprint’s Success

While passion drives the creation of your RC boat, a few guiding principles can make the difference between a good boat and a great one.

Precision and Patience: Keys to Perfection

The meticulousness you put into your project defines its outcome:

• Double Check Measurements: Always measure twice and cut once. This age-old adage holds especially true for intricate builds like RC boats.
• Avoid Rushing: While eagerness to see the finished product is natural, rushing can lead to mistakes. Take your time, especially during crucial steps like gluing or electronics installation.
• Invest in Quality Tools: Quality tools lead to quality work. Ensure your tools are sharp, clean, and well-maintained.
• Seek Feedback: If you’re part of an RC hobbyist community, don’t hesitate to share your progress and ask for feedback. Fresh eyes can spot potential issues.

Testing the Waters: Functional and Buoyant Checks

Before you officially launch, a few tests can prevent potential mishaps:

• Dry Run:  Test all electronics outside of the water first. Ensure motors run and that the rudder responds to commands.
• Buoyancy Test:  Place the boat in shallow water to check its buoyancy. Ensure there are no leaks and it sits on the water as intended.
• Control Range Test: With your boat in water, test the range of your transmitter. Ensure you maintain control even at farther distances.
• Safety Check: Especially for speedboats, ensure all components are firmly attached, and there’s no risk of parts coming loose during operation.

Long Journeys: Maintenance for Longevity

Your boat’s lifespan depends on the care it receives:

• Regular Cleaning: After each use, clean your boat. Remove any debris, especially from the propeller and rudder.
• Dry Thoroughly: Ensure your boat is dry before storage to prevent mold or structural damage.
• Battery Care: If using rechargeable batteries, store them partially charged. Avoid over-discharging, and check for damage regularly.
• Inspect and Repair: Inspect your boat for damage, especially after accidents. Address any issues promptly.
• Update Components: As technology advances, consider updating parts of your boat, like the motor or radio system, for enhanced performance.

By following these tips and keeping a meticulous approach, your RC boat blueprint will come to life and sail smoothly for years. Enjoy the journey and the destination!

RC boat building can be as much about navigating through challenges as it is about the joy of the finished product. Let’s delve into some common issues hobbyists face and how to address them:

Navigating Challenges in RC Boat Building

Every project has its fair share of hurdles. Recognizing potential pitfalls and knowing how to overcome them can make your boat-building journey smoother.

Common Hiccups and Their Solutions

• Warped Materials: Especially with wood, warping can occur by storing materials flat and in a controlled environment. Gentle bending or weighting can help straighten things if you encounter minor distortion.
• Drying Delays: Sometimes, adhesives or paints take longer to dry. Always check manufacturer recommendations and be patient. If in a humid environment, consider using a dehumidifier.
• Electronics Failure: Always test electronics before integrating. Ensure there’s no water infiltration and connections are secure.

Mistakes in Plan Interpretation and Corrections

• Misreading Dimensions: Double-check all measurements against the plan before making cuts. If a piece is cut wrong, it’s often best to replace it rather than try to adapt it.
• Incorrect Sequence : If you realize you’ve missed a step or done things out of order, evaluate if it’s possible to revert. Sometimes, working backward can resolve the error without starting over.
• Overlooking Details: Always cross off steps as you go. If a detail needs to be included, see if it can be added later without disrupting the already-completed work.

Overcoming Assembly Bottlenecks

• Alignment Issues : If elements don’t align, check for warping or mistakes in cuts.
• Component Integration: Commercial components (like motors) may sometimes need a better fit. Consider slight modifications, but ensure you don’t compromise the component’s function.
• Difficulty in Securing Parts: Use clamps or weights to hold pieces in place as glues dry. Always ensure the workspace is level.

Troubleshooting 101: Addressing RC Boat Glitches

• Boat Doesn’t Respond: First, check the transmitter’s battery. Then, ensure the boat’s battery is charged, and connections are secure.
• Motor Runs but Boat Doesn’t Move:  Check the connection between the motor and propeller. Ensure there’s no debris caught in the propeller.
• Boat Lists or Sinks: Check for water in the hull. If there’s a leak, dry the boat and identify the source. Seal any gaps or holes.
• Loss of Signal at Short Distance: Ensure the receiver’s antenna isn’t damaged or submerged. Sometimes, interference from other electronics can be the culprit.

Remember, every challenge offers a learning opportunity. By methodically troubleshooting issues and seeking advice when needed, you’ll have a functional RC boat and gain a wealth of experience to apply in future projects. 

Building an RC boat is much more than just following instructions—it’s an artistic endeavor that marries precision, patience, and passion. Like every journey, it’s marked by challenges and joys. So, as we dock at the conclusion harbor, let’s reflect on what we’ve explored.

The Harbor of Satisfaction: Reflecting on Your Build

Completing an RC boat is an achievement that mirrors the countless hours spent refining, understanding, and creating. Your finished boat is a testament to your craftsmanship and your learning journey. Mistakes made along the way have transformed into invaluable lessons, and triumphs have become cherished memories.

Every time your boat slices through the water, it’s not just propelling forward; it’s carrying the weight of your dedication, echoing your problem-solving grit, and reflecting the beauty of your vision. It’s a piece of art, a science project, and a toy; all melded into one.

The Ever-evolving World of RC Boat Plans

The world of RC boats is ever-dynamic. With advancing technology and evolving design philosophies, new plans and models continually emerge, offering hobbyists endless avenues to explore. It ensures that the world of RC boat building remains fresh, exciting, and continuously challenging.

Whether you’re a beginner setting sail on your first project or a seasoned hobbyist who’s navigated many waters, there’s always a new horizon waiting. And with every new plan comes a fresh wave of learning, creativity, and satisfaction.

In essence, RC boat building is a confluence of art, science, and emotion. It’s not just about the destination but also the journey. As you stand at the shore, watching your creation glide seamlessly, remember it’s not just the boat that’s set sail but also a piece of your heart. Here’s to many more builds, many more sails, and many more stories! Safe and happy sailing!

Join Our Fleet of Passionate Boat Builders!

Your boat-building journey doesn’t have to end here. The most beautiful part of this hobby is the community we build around it. So, why sail solo when we can navigate the waters together?

• Share Your Blueprints : Have an RC boat plan that you’re proud of? A unique design or an innovative approach? Please share it with us! We’d love to see the diverse range of creative genius our readers bring.
• Chronicle Your Experiences: Whether it’s a challenging hiccup you overcame or a triumphant first sail, your stories can inspire, educate, and entertain fellow hobbyists.
• Personal Hacks and Tips: Discovered a shortcut? Found a unique material or method? Please share your hacks, and let’s all benefit from collective wisdom.

Engage, Discuss, Connect

The true essence of any hobby lies in its community. Let’s spark discussions, ask questions, seek advice, and celebrate achievements. Whether you’re an RC boat rookie or a seasoned sailor, your insights and inquiries add value.

Set Sail Together in Our Passionate Community

Remember, every boat tells a story, and every builder has the wisdom to share. By creating a space where we can collectively share our journeys, we’re not just building boats but making connections.

Click below to join our vibrant community, share your story, and embark on new adventures with fellow enthusiasts!

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Racing Sparrow Plans

Check out these plans and resources, ranging from a 375mm boat to a 1500mm yacht. Pair these with our eBook guide for a fast, easy, and affordable home build RC yacht.

RS-RG65 - 650mm plans, measures to international RG65 rules

A full forward hull and a straight stern. This boat has proven to be a very fast and competitive racer.

Free Book Sample - PDF

A few pages from the eBook absolutely free

Racing Sparrow 750 plans

The plans that come with the eBook.

Racing Sparrow 1000 plans

A one metre version, scaled up lines. Bulkhead only plans. Look at the 750 for full schematics.

Racing Sparrow 1500 plans - A scaled up Racing Sparrow

A larger size model yacht. I haven't seen many of these surface. It's a good challenge to build.

Racing Sparrow 375 plans - The smallest sparrow

A miniature RacingSparrow. A great introduction to building with balsa.

RacingSparrow Footy plans

A double diagonal design footy from RacingSparrow.

Logos & Sticker Sheet

Downloadable logos and an EPS file to be sent to a printer and printed out on navy blue cutout vinyl.

Common questions about the plans

What tools do i need to build a racingsparrow.

1. Chisel 2. Craft-knife 3. Drill Bit - 2mm (5/64in)bit 4. Drill Bit - 5mm (3/16in) bit 5. Electric Drill 6. Felt Marker 7. File 8. Hacksaw 9. Hammer 10. Hole Punch 11. Lighter 12. Pen 13. Pencil 14. Pins 15. Pliers 16. Ruler (steel) 17. Sanding Block 18. Scissors 19. Screwdriver 20. Spirit Level (optional) 21. Sponge Brush (several) 22. Vice Grips

Do I need the eBook to build this cool rc sailboat?

No you don't. The book is designed for the newcomer to model yacht building. The book does make it a much simpler process with every detail figured out and covered in the book. Seasoned builders can simply have a go with the free plans.

Are the plans really free?

Yes all the plans are free to download and use as you see fit. The most comprehensive plans are the RS750 A1 full size.

Are there CAD files or 3D files?

Yes there is a 3D dxf file inside a zip file that you can download for free and use how you want. Some people use this in CAD programs or in 3D modelling programmes to great effect. Look under Racing Sparrow 750 plans on this page. An STL file for 3D printing is in the pipelines. Email me if you want a copy.

While we think 3D printing is great, we believe old-skool strip planking balsa is a wonderfully simple way to make a very lightweight boat with excellent longitudinal strength and beauty.

Builders eBook

Dive into the world of boat building with our eBook. Discover the craft of hull planking, fibreglass strengthening, and lead keel ballast casting.

Master the art of electrics installation, spray painting, sail making, and tuning of sails. Download a sample today and embark on a rewarding journey of boat construction.

What the builders and sailors say:

Being a complete novice, I purchased your book a couple of years ago and built two racing sparrows. Building on this experience I then went on to build, from scratch, an IOM (Triple Crown design). I've since joined a local club and sail virtually every weekend. I would just like to thank you for your endeavours which have allowed me to enter a world I never thought was in my reach.

John Sterland, Australia

Coming upon your book, "Build your own Radio Controlled Yacht" in the Napier Public Library, I am hugely impressed. The combination of your superb photos and illustrations with your easy writing style make it a standout publication and I hope it does well for you.

Richard Spence, New Zealand

Thanks for an excellent design in your RG65. I trialled her again today in a solid 20 knots gusting higher. Even so in a steep chop and fingers off the rudder she drove upwind remarkably well, balanced perfectly. Very impressed that a model boat can handle that with a large rig. I found the book excellent. Ive built several big boats, plus a few skiffs and without that resource building such a good boat would have been impossible.

Mike Bennett

Look at all these cool boats folk have made at home

There is also a full gallery with a boat load of photos of Racing Sparrow's

Jonathan Daniel

Oct 9, 2008

Eric Rosenbaum , USA

May 4, 2009

One Meter RacingSparrow - Garry Angel , France

Jun 2, 2009

Bryn's fibreglass Racing Sparrow , Wellington, New Zealand

Sep 2, 2008

This red boat is the latest racing sparrow that we've built and put to the test. It has been built for wellington conditions. It has the maximum 1.3kg lead bulb. It has a basic deck structure, no plywood, 1 layer of balsa with a coat of resin-only to save on weight and budget. It uses the more basic hatch construction of plastic sheet taped on with ducktape, very effective and waterproof. The sails are maxed out, being cut very close to the plans, maybe a little bigger, there are no rules about max sail area in the class rules! Another difference on this boat is the mast has been painted black for a different look.

Matt - Fly Girl 750

Oct 1, 2014

Rod Patterson , Christchurch, New Zealand

May 4, 2012

DKM247 - Proud RacingSparrow Builder/Owner , Melbourne, Australia

Dec 1, 2016

Bill Cobb , Zurich

Aug 23, 2013

Hi Bryn, I built an RS1000 and had so much fun building and sailing it I decided to build a couple of RS750's for my grandchildren in Zurich. Bit of juggling to get them into a suitcase but the whole project worked well and the boys just love them. Bill Cobb. - what an awesome Grandad!(Bryn).

Tools of the trade

Feb 2, 2019

Mathew Vanderhorst , Australia

Aug 1, 2011

RC Boat Plans

Download rc boat plans for your next project here..

These RC boat plans are meant for scratch building radio controlled boats mainly from balsa and with a minimum of tools required.

RC Cabin Cruiser

Skill level: Easy

This RC boat plan is the first of a series I've decided to develop primarily with beginners in mind. To further lower the threshold to get into this amazing hobby I decided to lay the plan sheets out on regular office size paper. This should keep your printing cost to a minimum.

As a result the plan set is laid out on seven sheets total in PDF format. Five sheets are laid out 11x17 and two on 8 1/2x11. These sheets can also be printed on ISO size paper with no loss of information, just substitute A3 for 11x17, and A4 for 8 1/2x11. When printing ISO sizes, make sure to print the sheets "full size", as selected in your printer driver.

Picture below shows sheet two through four.

I'm currently in the process of writing build logs and instructions to help the novice and to clarify the intent of the plans. It's always difficult to convey all little nuances on the plans alone, although a lot is there and if you've built some models before, you may not really need much help. A list of the logs can be found at the bottom of this page as I complete them.

The hull design follows that of the PT 109 I developed earlier. From my own experience and the feedback I've received, it seems to be a very easy and straight-forward way to build with good results.

The seven-sheet plan set are available in a single zip file. They are as follows:

• Sheet one (11x17): Layout profile and general arrangement
• Sheet two (11x17): Miscellaneous hull templates (keel, deck etc)
• Sheet three (8 1/2x11): Bulkhead and transom templates
• Sheet four (11x17): Alignment aid for first stage of building the hull
• Sheet five (11x17): Superstructure (cabin) layout and templates
• Sheet six (11x17): Superstructure templates
• Sheet seven (8 1/2x11):Template for windshield frame

Please order below.

Price:

Elco PT 109

1:24 and 1:32 scale - follow this link., 1:16 scale - follow this link..

Introduction - list of materials, scope of project etc.

RC Boat Hull - part one - starting hull construction

RC Boat Hull - part two - adding deck, keel and lower bulkheads

Planking - sanding and planking the RC boat hull

RC Boat Motor Mount - some tips about motor installation

Finishing up the hull - adding rub and spray rail, hatch coaming etc

More to follow.

Simple RC model boat rudder

A complete list of PT 109 build logs is available (click the link).

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Free model boat plans: the MiniX, an easy-to-build radio-controlled sailboat

We set ourselves a challenge: to make a sailing model. In the end, after hours of reflection and work, we discovered that we took as much pleasure in designing and building as we did sailing our yachts. Here is the description of our project and the plans to download. Another article follows with the steps of the realization.

An easy-to-build, eye-catching, high-performance sailboat

Who hasn't dreamed of a little wooden sailboat with a beautiful canvas cover? The idea for this project is a child's dream.

Sailing on a regular basis in "scale 1", we had the idea of having fun by sailing two boats to race in our "spare time". The boats had to meet the following specifications:

• Easy to transport . Measuring just 50 cm, our MiniX doesn't take up much space in a trunk. However, the keel and mast can be dismantled. If need be, the MiniX can even be included in our vacation luggage.
• Able to be thrown into the water "out the back of the car" without complicated implementation.
• No investment that would jeopardize our homes. As this is not a one-off activity, we didn't want to invest in expensive radio controls (our boat's biggest expense). A basic radio control kit is powerful enough to handle "small" sail surfaces.
• Resembling a sailboat at best, hence the presence of the deckhouse and cockpit. These two elements give a sense of scale without resorting to model-building. Above all, a sailboat must be beautiful. Don't we also sail for the pleasure of our eyes?

Modern construction

To keep it light (ready to sail , the MiniX weighs just 800 g), the hull is an extruded polystyrene/epoxy resin sandwich (laminated Depron). While this process is not impact-resistant (though...), the structure and sandwich make it very rigid. Together with the deck, the whole thing forms a kind of egg whose strength is astonishing. It's impossible to apply the slightest twist to the hull, despite its lightness (the bare hull weighs just 260 g).

Our yacht has a chine hull. But this doesn't detract from the look, as the chines are largely rounded and, combined with the straight bow, give the illusion of a beautifully shaped hull. When sailing close-hauled, the stern of the MiniX lifts off, limiting drag in the water.

Technical data

• Overall length (with rudder): 56 cm
• Hull length: 51 cm
• Width: 17.6 cm
• Draft: 25 cm (but this may change...)
• Air draft: 92 cm (mast: 86 cm)
• Operating weight (with sails, servos, batteries and keel ): 800 g
• Bare hull weight (without servos and keel ): 260 g
• Weight of ballast: 240 g (but may vary according to draught...)
• Wing surfaces: Jib= 6 dm² GV= 15 dm²

MiniX drawings

You can download the plans. They're simple and precise. We made our two boats by printing them on a basic A4 printer. Then we simply assembled the sheets by superimposing them and gluing them (repositionable spray glue) to Depron. A sharp cutter is all it takes to build the MiniX with precision.

Just one thing: we've put a lot of heart and soul into building this yacht. We'd be delighted if our experience could be put to good use. Don't hesitate, help yourself! But be so kind as to let us know with a little comment. We'd love to hear from you.

Here you can download the first part of the plan in A4 PDF format .

With this you already have the complete boat. Based on the construction photos, there's not much missing to build the whole MiniX. But since we're taking care of you, here are the sail plans too:

• Mainsail plan

Real sails with webs for their shape.

The construction budget

MiniX doesn't have to be expensive. We've always tried to find a way of "diverting" objects to make our project a reality. So it's hard to come up with an exact budget. It will be higher for someone who doesn't even own the basic tools , and much lower for someone who does it in the back of his already well-stocked workshop.

• 6 mm Depron sheet (2 sheets, 125 x 60 cm)
• Epoxy resin + fillers
• Glass fabric
• 4 mm plywood (a small piece for the keel , keel shaft and rudder)
• Carbon tubes (6 mm for the mast and 4 mm for the booms)
• GV carbon batten (1/10 mm in kite stores)
• Remote control servos kit ( first price: ?60)
• Florist paper for the sails (a good opportunity to give pleasure...)
• Blenderm (surgical tape), available from chemists, to join the sails. Cut the 20 mm roll in half to double its length.

In the end, we estimate a maximum budget of ?120 per boat (calculated in 2021).

Because a construction project like MiniX is above all a team project... And in a team it's good to be complementary.

The MiniX project went through a long phase of gestation - reflection - intellectualization - drawings - exchanges - helping hands to get to this stage. Today, it's sailing thanks to this pooling of skills. We hope you'll enjoy this project as much as we have. And we look forward to hearing from you in the comments or on the forum. Enjoy!

7 Super-Fast RC Catamaran Boats

Catamarans—cats for short—are the type of boat you either love or have little interest in. This guide is for the former. An RC catamaran is a multihulled vessel with dual parallel hulls. With sailing cats, there are at least two beams that connect the hulls, with a mast on one of them. The absence of a keel lets the boats sail or race in shallow waters. That means they get to go where other models can’t.

The Catamaran’s unique design is not only for riding the shallows. It also makes the boats a lot wider, more stable, and faster than conventional monohull crafts.

• Radio Controlled Catamarans

R/C catamarans are miniature versions of real boats. Most models are ultra-fast speedboats that achieve plane quicker than other vessel types. Hobbyists love to race them because of their pace on the water and aggressive turning ability. The downside to cats is that they’re not at home on choppier waters, and are more vulnerable to turnovers. Consider an RC cat for smooth water, sporty fun.

• RC Catamaran Buying Considerations

The price between models can vary a lot, so set a maximum budget before you do anything. Knowing your budget narrows down the search to only those within your price range.

Here’s a quick breakdown of buying considerations for those new to RC.

• Gas vs. electric
• Motor choices
• Running time
• Charging time
• Useful features
• Gas Vs. Electric Power

Opt for an electric cat if you’re new to the world of RC boats. They’re cleaner, easier to maintain and still have plenty of oomph on the water. Gas-powered cats are for experienced hobbyists. They’re for people who love the realistic experience provided by liquid fuels. But they’re also dirtier, need periodic oil changes, engine tune-ups, and regular maintenance.

• Speed Considerations

Speed is half the fun, but the faster the boat, the more space and skills one needs to control it. Some models have variable speeds, whereas others are plain fast from the off. Think about where you intend to use the boat. High speed is not your friend with small bodies of water such as pools and tiny ponds. Novice users should opt for a slower cat or one with variable speeds and precise throttle manipulation.

• Motor Choices

Electric-powered catamarans use brushed or brushless motors. The brushed options are the cheapest of the two. They are also slower and have a shorter life expectancy than their brushless counterparts. Brushless is the best option because they pack more power, are quieter, and require no maintenance. Most agree that the higher cost of a brushless power system is justifiable.

• Running & Charging Times

The time an RC cat runs on a single charge depends on how hard you push it and the battery used. Running times vary between models and can range from single digits to 30+ minutes. There are two other things to consider here. One is the charging time and the other is the cost of extra batteries. I include the battery and charging times in each of the reviews.

• Control Range

The control range is how far the boat can travel from its transmitter. Make sure the distance is acceptable for your needs. Likewise, it’s not necessary to have a range that goes further than the line of sight (LOS). If that happens, and you lose power or the signal, you may not be able to recover the boat. Some models come with low-battery and low-signal warning indicators.

The range also depends on the radio system used and other factors. The control distance is acceptable with all the models featured in this review guide.

• Useful Features

Make a list of what features are important to you. Consider the boat’s materials, especially its hull. Others might be a breakaway rudder system, low battery protection, and a self-righting function. Make a note of the dimensions too. Beginners often buy a model that’s either smaller or bigger than they thought. Also, heed the manufacturer’s recommended age if you’re buy the boat as a surprise gift.

• About My ‘RC Catamaran’ Guide

The purpose of this simple guide is to put all the jumbled seller’s spiel into plain English. These short reviews highlight the boats good and not so good features—if any. There’s also a tech specs column that gives details of the specifics mentioned above.

The 7 RC catamarans below are the result of personal research. I also took the views of industry experts into consideration, along with user feedback. The first three are the Editor’s choice for Best Budget, Best Value, and the Top Pick. The cats below those are in price order for convenience.

• RC Catamarans Comparison Table

• 1. Pro Boat 17” Miss Geico RC Cat | Best Budget

Editor’s Rating: 4.2/5

Pro Boat‘s 7” Miss Geico is a fun RC catamaran. It’s a fully ready to run (RTR) model that comes complete with a battery and wall charger. It’s a fun boat and an excellent first-time cat.

• Best feature 1: Durable blow-molded ABS hull
• Best feature 2: Dynamite 380-size motor
• Plus points: RTR model, excellent first-time cat, streamlined design, breakaway rudder,
• Minus points: Slow for a cat, short run time
• Miss Geico RC Catamaran Highlights

The Miss Geico RC cat has a durable, rigid, impact-resistant ABS hull. A powerful 380 motor system provides the boat with plenty of torque for a model in its class. Consider this vessel as a first catamaran, especially if it’s a gift for younger children. It makes an excellent trainer craft with its precise throttle manipulation and easy-to-use controls.

The streamlined design and bright yellow color offer more than just an eye-catching appeal. It also gives the Miss Geico high visibility on the water. Another feature worth a mention is the breakaway rudder system. That helps to protect the drivetrain should the boat hit ground.

• The Not So Good

At 12–15 mph, the 17” Miss Geico is not a super-fast catamaran, but then it doesn’t claim to be. The run time with the supplied battery only lasts about 10–15 minutes at best. That’s quite typical for this category, but disappointing nonetheless.

View on Amazon

• 2. Aquacraft Wildcat EP Catamaran | Best Value

Editor’s Rating: 4.8/5

The Best Value pick goes to Aquacraft’s Wildcat EP brushless catamaran. This boat is a step up from the beginner-friendly model above. Let’s check out some of its best features.

• Best feature 1: Molded ABS hull w/ transom drain plug
• Best feature 2: Powerful 35-36-1800Kv brushless outrunner motor
• Plus points: Tactic Tx, striking graphics, breakaway rudder, failsafe features, boat stand
• Minus points: Too fast for beginners, no battery included
• Wildcat EP Catamaran Highlights

The Aquacraft Wildcat EP catamaran is everything you’d expect from a model in its category. The boat has striking graphics and a beautiful streamlined molded ABS hull complete with a transom drain plug. A powerful brushless 35-36-1800Kv outrunner motor propels this cat to speeds exceeding 40 mph (64 km/h). Control is easy and interference-free thanks to the TTX300 SLT Tactic radio system.

• Safe & Secure

There are plenty of safety and protection features with the Wildcat EP Catamaran, namely:

• Water-cooled brushless controller w/ low-voltage cutoff
• Break-away rudder system
• Steering & throttle reverse/trims
• Two-blade fiber-reinforced plastic propeller

Adrenaline fans won’t be disappointed with the speed and handling of this cat. It’s super stable on the water even when it’s choppy. It may fall slightly short for expert users, but it’s an excellent second boat for those at the intermediate level. There’s also a stand for safe storing out of the water.

The Wildcat EP catamaran may temp beginners though it’s too fast for novice users. It has superb handling, but driving at high speeds still takes skill. The model doesn’t include a battery, so you need to add at least 15 dollars to the price or more if you want spares.

• 3. RTR Gas-Powered Zelos G Catamaran | Top Pick

Editor’s Rating: 4.4/5

Pro Boat gets the Top Pick with it’s incredible gas-powered Zelos 48” catamaran. We’re in the big league now. It’s the kind of model that beginners and intermediate enthusiasts aspire to.

• Best feature 1: Wide, triple layered fiberglass hull
• Best feature 2: Sturdy canopy w/ thumb screw fasteners
• Plus points: Powerful 30cc engine, water cooling, metal prop, centrifugal clutch, boat stand
• Minus points: Needs experience and maintenance skills
• Zelos G Catamaran Highlights

The Zelos™ 48 Type G Catamaran is a gorgeous boat. It has a classic sporty look with a striking trim finish. That makes it an attractive display model when it’s out of the water (stand included). And it’s well-protected against brutal crashes thanks to the extra layers of reinforced fiberglass.

• The Zelos G Power System

This powerful high-speed boat springs to life when it’s on the water. Expect speeds of 50+ mph (80+ km/h) from its gas-powered 30cc Dynamite® Zenoah G300PUM engine. It starts effortlessly too with the EZ Starting System, so no pulling needed. The boat has a 3-blade metal prop that’s durable and long-lasting. It’s also possible to sharpen and balance the prop to improve performance further.

The metal propeller won’t spin when the engine is idle thanks to the centrifugal clutch. This safety feature protects hands and fingers when moving the boat in and out of the water. Surprisingly, not all big boats include a centrifugal clutch. Also, the propeller strut has anodizing to protect it in harsh conditions, and that includes salt water.

Another feature to mention is the water-cooling system. It uses water pickups on the bottom of the hull and the boat’s rudder. They work by feeding water to the cat’s engine and its tuned exhaust. Keeping operating temperatures down is vital for safe and optimal operation.

• Spektrum™ DX2E Transmitter

The Zelos G Catamaran comes with a Spektrum™ DX2E transmitter. It’s a quality controller with adjustable endpoints and an extended range. It also includes a built-in lost signal fail-safe feature for added protection. The radio system uses a waterproof Spektrum MR4000 receiver.

This boat is not for the faint-hearted, and it’s not suitable for novice users. The engine must be broken in first. Although that’s not difficult, problems do arise out of impatience and ignorance. Engines—unlike electric power—need maintenance and tweaking to perfection. There are safety issues to consider as well. These things are only negatives for the inexperienced RC boater.

• 4. Pro Boat RTR Blackjack 24” Brushless RC Cat

Editor’s Rating: 4.3/5

This RC fast cat is the ready to run (RTR) RC Blackjack 24” brushless catamaran. It’s a fun boat for use on ponds and lakes that leaves plenty of waves in its wake.

• Best feature 1: Ready to run (RTR) catamaran
• Best feature 2: Powerful 2000Kv brushless water-cooled motor
• Plus points: Off-set rudder system, 1-piece electronics tray, waterproof electronics, drain plug
• Minus points: Potentially loose parts, short running time
• Pro Boat 24” Blackjack Highlights

Pro Boat’s lightweight RTR 24” Blackjack is ready to go right out of its box. Its blood red paint job and streamline design give it an eye-catching appearance. It can pack a punch on the water too, capable of top speeds around 30 mph (48 km/h). The power comes from a water-cooled 2000Kv brushless motor and 30A LiPo compatible ESC. Blackjack’s 2.4GHz radio system is a Spektrum™ STX FHSS.

An off-set high-strength rudder system provides the boat with outstanding stability on the water. The Blackjack has waterproof electronics and a convenient one-piece electronics tray. Other feature highlights include a handy drain plug and a waterproof hull-mounted steering servo.

This catamaran is ready to run (RTR), but there are some reports of loose parts. New users should always check for any looseness with this and any RC boat before running it. The other, more predictable con, is the short running time. How long you get depends on the battery (not included). Even so, the boat’s unlikely to go for much more than 10 minutes on a single charge.

• 5. Rage RTR RC B1207 Super Catamaran Boat

Editor’s Rating: 4.6/5

This model is the Rage RC B1207 Super Catamaran. It’s a 100% factory assembled ready to run (RTR) RC SuperCat. The model comes equipped with a 2CH, 2.4GHz radio system.

• Best feature 1: Durable unibody ABS hull
• Best feature 2: Fully proportional throttle and steering control
• Plus points: Stainless steel parts, brushless power system, wooden display stand
• Minus points: Few reviews
• Rage B1207 Catamaran Highlights

The Rage RC B1207 SuperCat has a sleek design with an aggressive trim. It boasts a durable unibody ABS hull, stainless-steel propeller, and rudder. Users get plenty of adrenaline-pumping wave-making fun on the water too. Top speeds can reach up to 40 mph (64 km/h) in the right conditions.

High performance and smooth handling add further to the SuperCat’s appeal. We have the 2000kV water-cooled brushless motor and 40A water-cooled ESC to thank for that. And the boat’s fully proportional throttle and steering control keep you firmly in the driving seat. Some call it the water rocket, and it’s a deserved nickname too. Check out some of the video demonstrations.

This model doesn’t have much real user feedback at the time of writing. Many less experienced buyers rely on owner reviews as part of the decision-making process. Veteran RC boaters are in a better position to make informed choices based on personal experience.

• 6. Pro Boat UL-19 Brushless Fast Hydroplane Cat

Editor’s Rating: 4.7/5

Another Pro Boat model gets the sixth slot. This time it’s the UL-19, a 30 inch brushless hydroplane. OK, so it’s not a true cat, but its super-fast performance and airfoil hull are sure to interest some.

• Best feature 1: Lightweight, durable design with vertical fins
• Best feature 2: Brushless power system
• Plus points: Hand-laid fiberglass, breakaway rudder, Spektrum™ 3KG servo, metal parts
• Minus points: Gets hot fast, short run time
• Pro Boat UL-19 Cat Highlights

You often read comments like adrenaline-pumping and heart-pounding, but in this case, it’s true. Pro Boat’s UL-19 is an incredible vessel that runs as fast as its sleek design suggests. This puppy can reach speeds up to 50+ mph on 6S power due to its 6 pole water-cooled motor and the 120A ESC. Drivers get to experience fast, confident cornering thanks to the waterproof Spektrum™ 3KG servo.

The UL-19 hydroplane is a lightweight yet stable boat on the water. The boat’s canopy and hull use hand-laid fiberglass in the build for added strength. It has removable/replaceable vertical fins and a breakaway rudder. The model also uses metal for its vital components. They include the aluminum rudder, stainless steel 2-blade prop, aluminum propeller strut, and a stainless-steel turn fin.

The electronics tend to get overly hot even at slower speeds. You’d expect that with flat-out racing for long durations, but not at half throttle. Yes, the Pro Boat UL-19 can run on a 6S battery setup, but it won’t serve you well in the longer term. Ideally, the 2-3S 5000mAh 50C LiPo is certain to increase component life. Running time depends on the setup, but it’s going to be in single digits in all cases.

• 7. Traxxas Red DCB M41 Brushless Catamaran

Editor’s Rating: 4.5/5

Meet the Traxxas Red DCB M41. It’s a powerful brushless catamaran capable of reaching speeds up to 50 mph (80 km/h) on 6S power. The designer of this beauty is DCB or Dave’s Custom Boats.

• Best feature 1: Wide physique catamaran
• Best feature 2: Precision sculpted 1350 Mercury racing engines
• Plus points: Ultra-fast, versatile, low voltage safety, adjustable battery trays, electronics tray
• Minus points: Needs upgrades for optimal performance, high price tag
• Traxxas Red DCB M41 Cat Highlights

The Traxxas Red DCB M41 twin hull catamaran is a beast outdoors that’s fast and versatile. It’s a stable performer too whether it’s racing across waves or smoother water. The included advanced TQi receiver, and 2.4GHz transmitter allows captains to fine-tune their boat. The incredible power comes from a pair of precision sculpted 1350 Mercury racing engines.

Let’s look at some of the other feature highlights. The adjustable battery trays with hook-and-loop straps are useful. You can adapt them to use with various Traxxas LiPo or NiMH batteries. The cat is compatible for use with 6S LiPos with integral low-voltage detection. There’s a removable electronics tray and a waterproof receiver box that are easy to access for maintenance.

It’s a beautiful boat and a great performer, but it does need upgrades for optimal performance. The stock cooling is one, and the stock plastic props don’t hold out too well either. Some users complain about the thin plastic hull as well. Despite that, I haven’t come across any reports of the hull breaking up. The cost of a Traxxas Red DCB M41 is quite high, but most fans think it offers excellent value.

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Open Source 13-15m Catamaran Plans

Discussion in ' Projects & Proposals ' started by archie1492 , Jan 3, 2018 .

archie1492 Junior Member

Dear all, I want to create a detailed building information model for a 13 - 15 meter catamaran that is capable of being CNC cut and assembled. I need some help finding plans I can use as a basis of design. Specifically, I need the hull profile information. Section cuts through the hull will give me the ideal contours for a boat of this size. Can someone help? After weeks of searching, I still cannot find these online. For now, this is merely an exercise in my 3d modeling capability. I'd like to share my drawing work with the forum if I can get some assistance to start off. There are future possibilities I am also considering. I'm an experienced Architect & construction designer with a strong background in computer aided design. Once I've modeled the boat in 3d, I would like to flatten the various parts and create plans for the individual boat parts to be CNC cut. I would like to build a small scale model first (1:2o or perhaps 1:10) with the ultimate goal of building the boat full scale.  

TANSL Senior Member

This is a very simple catamaran which, if you are interested, I can give you a lot of information. It is not a spectacular boat but it can help you in your first steps with boats. LOA = 16 m, Lbp = 14.6 m  

Thanks I really appreciate it. The hull lines for the motor cat you've provided are not quite what i'm looking for. I'm specifically looking for the hull lines for a 14m catamaran sail boat. I guess there is some standard for these contours especially the area below the waterline. Check the attached document as well if anyone is interested in this.  

Attached Files:

catdimension.pdf

I'm sorry, you never specified that it was a sailing catamaran. I thought that to carry out your purposes, " For now, this is merely an exercise in my 3d modeling capability ", any model was valid. Apparently, you have different purposes than, in addition to, to practice with 3D models. The better you clarify what you are really looking for, the better someone can help you.  

Hi all, Here's an example of what kind of information I need to get started. Optimising Hull Lines for Performance https://www.graingerdesigns.net/the-lab/optimising-hull-lines-for-performance/ The boat shown here is a 8.5m cat sailboat. I'm looking for something a bit larger in the 14m range. Also, the images only show one of the hull profiles. I'd like profile lines for the entire boat. I will post some other images I've found online showing profile lines for smaller boats. I still cannot find any 14m hull lines. Can anyone help?  

grainger_1488019480.jpg

Grainger_1488019410.jpg, grainger_1488019333.jpg, grainger_1488019265.jpg, grainger_1488019219.jpg.

Here are some other hull lines I've found online. Hope this is useful to anyone else looking for this information. Thanks!  

Evergreen Lines small.jpg

Hull-lines.jpg, shark-20.jpg.

You could take any of those boats and scaleb the lines to get the desired length. Since it is only a 3D modeling exercise, you do not have to worry about anything else. You could even make a mix of 2 or 3 of those models to get the one you are looking for.  

Thanks Tansl, I'd like to make the boat drawings accurate for the 14m size. Perhaps one day I will develop this into something worth building full scale. The more accurate I can draw the boat, the more I will learn about the boat design.  

Maybe it does not look like it but I would like to help you. If you do not find what you want on the Internet I could draw a lines plan, strictly following your instructions, which would help you to make the 3D model. Or, if you find something similar on the internet I can adapt it to your needs and fill in the information that you indicate you need for your work. I insist that starting from the shapes of a 10 m boat you can get the shapes of a boat of 14 m, with total accuracy.  

Dolfiman Senior Member

archie1492 said: ↑ I'd like to make the boat drawings accurate for the 14m size. Perhaps one day I will develop this into something worth building full scale. The more accurate I can draw the boat, the more I will learn about the boat design. Click to expand...

Cata 14m with Gene-Hull UE Catamaran 2.3_2018 01 15.ods

Gene-Hull Catamaran 2.3 User Guide_2018 01 16.pdf

Hull for cata 14m with Gene-Hull UE Catamaran 2.3_2018 01 16.pdf

Dolfiman, thanks so much! This is exactly what I was looking for. It's very interesting and probably a bit over my head at this point. I think this should work for modeling the basic hull shape. For the bridge deck and all of the stuff above the hull I can model this with a bit more creativity. Although, I'd like to learn more about understanding the center of gravity for the boat and the proper location of the mast. Are there any rules of thumb about this? Thanks again!  

archie1492 said: ↑ I think this should work for modeling the basic hull shape. Click to expand...

Cata 14m V2 with Gene-Hull UE Catamaran 2.3_2018 01 15.ods

In complement to illustrate this first approach, my good friend Alain did some 3D views here attached of the hull V2 version with Multisurf (using fit for purpose ouput data in section 5. of the above file). To inspire you , some other examples of cata, more sport/day sailer oriented than the Saona 47 : - R/P 45 (Reichel-Pugh) : multihull http://reichel-pugh.com/tag/multihull/ - Dazcat 1295 : in this video, from 1:45 the launch, you can see the hulls from various angles https://www.youtube.com/watch?v=0BZF4Udda5E - SIG 45 (VPLP design) : from 1:20 you can see the winward hull fully lifted ​  

dean 1962 New Member

archie1492 said: ↑ Dear all, I want to create a detailed building information model for a 13 - 15 meter catamaran that is capable of being CNC cut and assembled. I need some help finding plans I can use as a basis of design. Specifically, I need the hull profile information. Section cuts through the hull will give me the ideal contours for a boat of this size. Can someone help? After weeks of searching, I still cannot find these online. For now, this is merely an exercise in my 3d modeling capability. I'd like to share my drawing work with the forum if I can get some assistance to start off. There are future possibilities I am also considering. I'm an experienced Architect & construction designer with a strong background in computer aided design. Once I've modeled the boat in 3d, I would like to flatten the various parts and create plans for the individual boat parts to be CNC cut. I would like to build a small scale model first (1:2o or perhaps 1:10) with the ultimate goal of building the boat full scale. Click to expand...

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Archie, I have been looking to do the same thing. Where are you at on the project? Very interested in hearing all about it. Thanks.  

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14+ DIY Remote Control (RC) Boat Plans [FREE]

My nephew and I had been wanting to build a remote control boat for a while. We finally got around to it one weekend, and it was a lot of fun.

Table of Contents

We started by choosing the right boat. We wanted something small and easy to control, so we went with a basic monohull design. We also chose an electric motor, since they’re less powerful but easier to use and maintain.

The next step was to choose the right battery. We went with a sealed lead acid battery, since they’re cheap but have shorter run times.

View this post on Instagram A post shared by Max Imagination (@max.imagination)

Once we had the boat assembled, we took it out for a test run on our local lake. The boat performed well, and my nephew had a blast steering it around.

We’ll definitely be going out again soon to enjoy some more time on the water.

Making remote control boats is a fun and rewarding hobby. The boat and its remote controls can be quickly built as a single project. This DIY project can be done by almost all people, even those that do not have any building experience.

To turn this project into something extraordinary, the internals of the watercraft need to be mechanically designed and built with care to ensure durability.

DIY Remote Control Boat Ideas & Designs

1. home-made remote control boat.

If you’re thinking of making a remote control boat, there are a few things you need to consider. The first is the size of the boat. You’ll need to take into account the dimensions of your pond or lake, as well as the wind conditions. If you’re going to be sailing in open water, you’ll need a larger boat that can handle choppy conditions.

2. Remote Control Boat With Fusion360

The second factor is the type of motor. There are two main types of motors for remote control boats: electric and gasoline. Gasoline motors are more powerful, but they’re also more expensive and require more maintenance. Electric motors are less powerful but easier to use and maintain. 

3. Remote Control Knex Boat

The third factor is the type of battery. Again, there are two main types: sealed lead acid (SLA) and lithium ion (Li-ion). SLA batteries are cheaper but have shorter run times, while Li-ion batteries are more expensive but have longer run times. When choosing a battery, you’ll need to take into account how long you want to be able to run your boat for.

4. Remote Control Airboats for Kids

Finally, you need to consider the type of controller you’ll use. There are two main types: radio controlled (RC) and infrared (IR). RC controllers use radio waves to communicate with the boat, while IR controllers use infrared light. IR controllers are typically cheaper, but they have shorter range than RC controllers.

5. Building a Self-Driving Boat

Radio-controlled (RC) boats are a fun and exciting hobby for people of all ages. Whether you’re interested in racing or simply exploring the waterways, there’s an RC boat out there that’s perfect for you. But with so many different types and models to choose from, how do you know which one is right for your needs?

6. DIY Arduino Catamaran

One of the most important things to consider is the size of the boat. RC boats come in a variety of sizes, from small bathtub toys to full-sized racing hulls. If you’re just starting out, it’s probably best to choose a smaller boat that you can easily control. As you become more experienced, you can move up to larger boats with more powerful motors.

7. How to Make a DIY Remote Control Airboat

Another important factor to consider is the type of hull. The two most common hull types are monohulls and catamarans. Monohulls are traditional boats with a single hull, while catamarans have two separate hulls connected by a platform. Catamarans are generally faster and more stable than monohulls, making them ideal for racing. However, they can be more difficult to control, so they may not be the best choice for beginners.

8. How To Make Remote Control Boat at Home

When choosing an RC boat, it’s important to think about what you want to use it for. Are you interested in racing? Or do you simply want to cruise around your local lake? Once you know how you want to use your RC boat, it will be much easier to narrow down your choices and find the perfect one for your needs.

9. How To Make a Mini RC Boat

RC boats are a great way to have fun on the water. Whether you’re racing against friends or just exploring your local lake, these little boats can provide hours of enjoyment. Here are some tips for getting the most out of your RC boat:

Choose the right boat. There are a variety of RC boats on the market, from simple dinghies to high-speed racers. Pick one that suits your needs and Preferences.

10. How to Make a Remote Control Boat

Get familiar with the controls. Before you take your boat out on the water, make sure you understand how to operate the controls. This will help you avoid collisions and other accidents.

Practice makes perfect. Don’t be afraid to experiment with your boat in different conditions. The more you practice, the better you’ll become at handling it.

11. How To Make a Fast RC Boat

4. Have fun! Ultimately, that’s what RC boating is all about. So relax and enjoy yourself!

How to make a remote control boat

1. design and prepare the shape of the boat.

Design and prepare the shape of your boat. The design needs to be planned before any building can take place. Deciding on the design early can ensure that it will be built correctly. Work on a plan for at least one week to get your ideas together.

The simplest way to design the design is to draw on paper using pencils or markers. A more professional method would use Computer-Aided Design (CAD) software which can help with the design process.

2. Design the electronics

Now that the boat’s shape is done, it is time to design the electronics. Please list all your components and decide the best way to put them together. Remember, this task does not have to be complicated and can be completed with ease by following these easy steps:

3) Design & install the onboard controls

Now that you have designed your electronics, it is time to work on the onboard controls. Again, design your electronics to serve the purpose that you want them to.

4) Assemble the electronics for testing and troubleshooting.

Once you have designed all of your electronics, it’s time to sell them together so you can test them before you do any soldering on the boat itself. This step is essential to prevent unexpected problems while building the boat itself.

5) Assemble and install electronics into the boat hull.

Before wiring can be done inside the boat, the electrical tape should be wrapped around all exposed wire connections. This keeps wires from shorting out because they are touching each other while assembled in the boat’s hull.

6) Wire the electronics to their respective locations.

Now that the electronics have been assembled, connected, and wrapped in electrical tape, it is time to wire them into the boat. Begin wiring by starting with a power source of some sort, typically a battery pack. These are easily installed later, so do not worry if your boat will not have one.

7) Assemble the motor, wiring, and electronics onto the boat hull.

Next, it is time to assemble the motor and wiring onto the boat. This is a simple process. The size of your boat will determine how difficult this will be for you. Use your hands to firmly push the motor into place with the wires running through it to ensure that it does not fall off during this process or any after-step.

8) Install float switch and ignition circuit.

The next step is to install the float switch and ignition circuit. The float switch should be placed on top of the motor, as seen in the picture, so that a slight current can pass through it from one side to the other.

9) Install steering controls and electronics onto the boat hull.

It is time to install the steering controls and electronics onto the boat. This step is not a complicated process but will require some force as you push parts into place.

Apply electrical tape to any electrical connections as needed during this step. Once all connections have been made and secured, you can begin wiring inside the boat.

10) Install propeller into boat hull and wiring.

The next step is to install a propeller onto your craft, with wires running through it to prevent any accidental shorts or touching of wires causing damage during use.

Next, wire your electronics for remote operation before proceeding with this step due to potential battery issues that may arise later on in the operation of your watercraft.

Tips for keeping your remote control boat in good condition

Remote control boats are a great way to enjoy the water and have some fun, but they require some basic maintenance to keep them in good condition. Here are a few tips:

• Rinse off your boat after every use. This will help to remove any salt or other chemicals that could damage the paint or other parts of the boat.
• Store your boat in a dry place when not in use. This will help to prevent rust and corrosion.
• Check the batteries regularly and replace them as needed. This will ensure that your boat has enough power to run properly.
• Inspect the hull of your boat regularly for cracks or other damage. This will help you to identify any potential problems before they become serious.

By following these simple tips, you can keep your remote control boat in good condition and enjoy it for many years to come.

So there you have it, the basics of building your remote control boat from scratch. It is not as complicated as it may seem and can be easily accomplished by anyone who decides to build one of these boats.

These are just some basic steps in making a remote control boat, and there are many more ways to make your unique model that others will recognize for years to come.

Hi, my name’s Elena Coolidge. I’m a DIY enthusiast who loves building fun woodworking plans. These DIY plans are fun hobby projects for enthusiasts or even more advanced builders that want to build things like bunk beds, end tables or even a duck box!

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Radio-Controlled Sailboat Kits: The Ultimate Guide

• By - Kyle Hilson
• Posted on November 14, 2023 November 15, 2023
• Posted in RC Boats

Radio-controlled sailboat kits are a popular hobby for both beginners and experienced enthusiasts. These kits allow hobbyists to build their sailboats from scratch and control them remotely using a radio transmitter. The idea of radio-controlled sailboats dates back to the 1930s and has since become a popular hobby worldwide. Radio-controlled sailboat kits come in different shapes and sizes. They contain all the components necessary to build a functional sailboat, including the hull, sails, rigging, motor, and radio transmitter. RC sailboats are available in different types, including racing sailboats, yachts, and schooners. When choosing a kit, hobbyists need to consider the price, difficulty level, design, and additional features such as GPS capabilities. Building and owning a radio-controlled sailboat has many benefits. Firstly, it is an excellent way to learn new skills and gain knowledge about sailing. Secondly, it allows hobbyists to spend time outdoors and experience the joy of sailing. Lastly, it is a social hobby, and sailing with others is an excellent way to meet new people and make new friends. Building and sailing radio-controlled sailboats can present some challenges, especially for beginners. Some of the common challenges include understanding the complex instructions, setting up the radio transmitter, and navigating the boat. However, with practice and patience, these challenges can be overcome. Beginner-friendly kits are available, and YouTube tutorials can help with the setup and sailing of the boat.

Choosing the perfect RC sailboat kit for your needs.

Radio-controlled sailboat kits come in different shapes and sizes. They allow hobbyists to build their sailboats from scratch and control them remotely using a radio transmitter. These kits contain all the components necessary to build a functional sailboat, including the hull, sails, rigging, motor, and radio transmitter. RC sailboats are available in different types, including racing sailboats, yachts, and schooners. When choosing a kit, hobbyists need to consider different factors such as price , difficulty level , design , and additional features such as GPS capabilities . Kits are available for all levels of expertise, from beginners to experts , and there are various brands that specialize in producing high-quality kits. Websites such as Amazon, eBay , and Banggood offer a wide range of radio-controlled sailboat kits that cater to different hobbyist needs.

There are different factors to consider when choosing a radio-controlled sailboat kit. One of the most important is price . Kits can range from a few hundred to several thousand dollars depending on the complexity and size of the boat. Another important factor is difficulty level , as some kits are more appropriate for advanced hobbyists, while others are suitable for beginners. Hobbyists should also consider the design of the boat and the type of sailing they are interested in, such as racing or leisure sailing. Some kits even offer additional features such as GPS capabilities for location tracking and weather information.

There are different types of sailboats available in the market, including racing sailboats, yachts, catamarans, and schooners. Racing sailboats are specifically designed for high speeds and maneuverability, while yachts are ideal for leisure sailing and relaxation. Catamarans are known for their stability and efficiency, making them popular for longer voyages. Schooners are classic sailboats with two or more masts, making them ideal for those who want a traditional sailing experience.

What are the different types of sailboats available in the market?

The different types of sailboats available in the market include dinghies, daysailers, keelboats, cruisers, racing sailboats, and catamarans.

Benefits, Skills and Social Aspects of Radio-Controlled Sailboat Kits

Building and owning a radio-controlled sailboat has many benefits. Firstly, it is an excellent way to learn new skills and gain knowledge about sailing. Secondly, it allows hobbyists to spend time outdoors and experience the joy of sailing. Thirdly, it is a social hobby, and sailing with others is an excellent way to meet new people and make new friends. Some interesting facts about RC sailboats are that the World Sailing Model Competition happens every two years and has been held since 1972. The most recent competition was held in 2019 and saw participants from 13 countries.

A table comparing different RC sailboat kits and their features can be found below.

What are some popular websites to purchase radio-controlled sailboat kits and compare different products?

Some popular websites to purchase radio-controlled sailboat kits and compare different products are Amazon, HobbyKing, Tower Hobbies, and Horizon Hobby.

Overcoming Challenges in RC Sailboat Kits

Building and sailing radio-controlled sailboats can present some challenges, especially for beginners . One of the biggest challenges is understanding the complex instructions. Moreover, setting up the radio transmitter can also be daunting as it requires technical skills. Additionally, navigating the boat can be difficult as the wind and water conditions can affect its movement. However, with practice and patience, these challenges can be overcome.

What are some resources for beginners to learn about building and sailing radio-controlled sailboats?

Some resources for beginners to learn about building and sailing radio-controlled sailboats are online forums such as RC Groups, sailboat kit manufacturers like Dumas Products, and instructional videos on YouTube.

Radio-controlled sailboat kits are a fantastic way to combine the creativity of building with the thrill of remote control. They allow hobbyists to learn new skills while enjoying the fresh air and gentle breeze. With radio-controlled sailboat kits, enthusiasts can create their own sailboats from scratch with the freedom to customize the design and features according to their preference. Furthermore, sailing with others adds to the social aspect of the hobby and can be a great way to make new friends.

In conclusion, radio-controlled sailboat kits offer a unique and exciting hobby option for individuals of all ages. While there are inherent challenges in building and sailing the boats, the potential rewards are well worth the effort. The creativity and knowledge gained from creating and operating these boats are invaluable. With various resources, including online forums, tutorials, and classes, beginners can overcome the challenges and become skilled radio-controlled sailboat enthusiasts. If you are interested in this hobby, start by researching the different types of radio-controlled sailboat kits available and find one that suits your skill level and budget. Once you have your kit, get building and enjoy the serene and thrilling experience of radio-controlled sailboat sailing.

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DIY Cruising Catamaran: Complete Building Guide

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A brand-new cruising catamaran can set you back a hefty amount of money. However, a DIY cruising catamaran provides a more affordable way to own your own boat. While building a large boat can be an extremely challenging and time-consuming experience, nothing beats the pleasure of bringing your own boat to life. 

To build a DIY cruising catamaran, buy good design plans, determine your budget and find a working space. Next, choose your hull material, buy supplies and start building the mast beam. Build and sheathe the hull, install bulkheads, the interior, and finally, launch the catamaran boat.

In this article, you will find a complete guide to building your own catamaran. You will also find detailed information on why you may want to consider building your catamaran and approximately how much this project would cost. Finally, we will explore the advantages and disadvantages of building a catamaran from scratch.

Why You Might Want To Build Your Own Catamaran

Most people might think that purchasing a used boat to repair and fix it up would be cheaper than a DIY cruising catamaran. But while building your own catamaran could be an enormous undertaking, it also comes with many advantages over buying something used. 

Other than the unique opportunity to create beautiful memories and experiences while cruising, sailing, and exploring beautiful coastlines, there are a number of benefits that come along with the DIY approach.  

Knowing Your Boat

Building your own catamaran provides you with intimate knowledge of your boat. You will know every corner, including where to find every bolt, wire, bulkhead, rib, hose, and support as you installed them yourself. This knowledge will enhance your confidence while at sea since you will have entrusted your life to a boat whose history you are aware of and deeply connected to.

Pride of Ownership

The satisfaction you get from crafting something with your own hands is immense. As a result, the knowledge that you built your boat from scratch will fill you with absolute pride and an immense sense of achievement. Furthermore, as an owner-builder, you get to keep and enjoy the boat for as many years as you wish.

Substantial Cost Savings

Building your catamaran will work out cheaper than buying a new or even gently used boat. Though you will likely require some additional labor since doing some things will require an extra pair of hands, if you are particularly good at DIY, you will save a significant amount of money on labor costs as a whole. 

Freedom To Create Your Own Designs

If you decide to buy a catamaran boat, it might not be easy to find one that meets your unique needs. However, instead of choosing from production boats that bear traditional and outdated designs, you can come up with an ultra-modern design or style for your catamaran. You also get to pick your layout, size, and equipment based on your taste and budget.

Great Learning Experience

Building your own boat will help you pick up numerous skills that will come in handy later when sailing your boat. As much as you might still require an expert to help you with specialized skills like carpentry or wiring, your new skills will serve you well. This will also be beneficial when it comes to your boat’s maintenance and fixing things for yourself. 

What To Look For in Catamaran Boat Designs

When deciding on the type of catamaran boat to build, you may want to choose a design that’s simple and easy to build. This is because doing so will allow you to spend a shorter time building the boat. 

You also need to have a set of requirements to guide you in choosing your design or what you might call an ideal cruising catamaran wish list. This is essential because, ultimately, you want to build a boat that offers outstanding qualities such as:

• Delivers good speed
• Affordable to own and operate
• Agile, strong, and easy to maintain
• Has a high resistance to capsizing
• Great for sailing and cruising
• Delivers a comfortable and easy motion underway
• Good handling ability and high performance under sail
• User-friendly embarking and disembarking
• Provides ample living and accommodation space 
• Presents a reasonable resale value

It’s worth noting that, in general, catamaran boats tend to offer a fair resale value mainly because of scarcity and the high price accorded to production models. So, if you build a well-constructed catamaran, you are bound to get a return that’s much higher than the cost of materials upon resale.

It’s also good to consider whether the design you settle on is from an established designer. This is significant because documentation of the building process is just as valuable when it comes to selling the boat.

How Much Would It Cost To Build Your Own Catamaran?

The cost of building your cruising catamaran will depend heavily on the size of the boat you plan to build and the skills you bring to the table. To give you an idea of probable costs, a professionally built 40 foot (12.1 m) long cruising catamaran could go for up to $300,000. 

Though building it yourself will undoubtedly be cheaper, most DIY boatbuilders tend to underestimate the expected costs. Your final costs should cover not only the cost of material and equipment but also the labor and time it would take to come up with the final product. 

If you were to build a 40-foot (12.1-meter) catamaran, your cost of materials would range between 20-30% of the total cost. Therefore, for $300,000 total, the boat’s materials would range between $60,000 and $90,000. The hull tends to range between 15-35% of the total build. Again, this depends on the finish and furniture.

But before you even start working on the DIY project, you will need to figure out where to do the work. If your home has ample space, then you can opt for a backyard building. But if you live in a small apartment, then you might want to consider renting a small garage at first and then move on to a boatyard later. This is one of the significant costs involved in building your multi-haul.  

What You Will Need

To get a clearer picture of how much the entire project would cost, let’s have a look at what else you will need to purchase.

• Good design plans
• Working space
• Ground tackle
• Matting and roving
• Equipment such as the engine, windows, rudders, deck fittings, mast, and rigging

In addition to the above, you also need to install plumbing and electricals. You may also want to consider going electric rather than using diesel. Not only will this drastically reduce your maintenance costs, but you get to use the regenerated power for all of your housing needs while sailing. 

Some catamaran boat designs help you save costs by advocating the use of less expensive corpus materials. Most of the material goes directly into making the boat, which means there is hardly any wastage on vacuum bagging . With this method, there are few molds and temporal building forms and fewer fillers to grind off as waste. All these factors reduce the time and cost it takes to build your catamaran boat.

That said, building a boat of any kind is a huge financial undertaking. As such, you still need to have the financial ability to keep building; otherwise, your project will stall or take much longer than anticipated. Instead of enjoying yourself and making memories cruising to faraway lands, you might end up spending all your time building a seemingly never-ending boat.

To reiterate, this project is more of a labor of love, given that it involves a tremendous amount of manual work. Calculating an hourly rate on the time spent building the boat and adding this cost to that of materials may make it seem a very pricey exercise. However, it is vital to understand that your time matters, and every hour you spend working for “free” should be included. 

With that in mind, you need to ensure that you are fully devoted to the boat construction project and are sure you want to do it before you begin. Stopping halfway because it seems like too much work would be incredibly costly.

How To Build a Catamaran

When it comes to building a cruising catamaran, you have 3 main options:

• You can buy an old boat and refurbish it.
• Purchase a bare hull plus deck molding for a home-boat building.
• Start from scratch and build everything, including the hull, on your own. 

As mentioned above, renovating an existing boat may end up being more costly than starting from scratch. To build a catamaran boat from scratch, follow the below step-by-step guide.

Prepare the Essentials

Before you jump into such a large project, there are several important aspects to consider:

• Buy your plans from an established catamaran designer. You can also get inexpensive, easy-to-build catamaran designs online.
• Get access to a large working space or build a shed . Depending on your climate, you may need to opt for climate control to avoid an excess of moisture in humid areas. 
• Decide on your choice of hull material. This could be fiberglass, aluminum, steel, wood, or ferroconcrete. 
• Start working on a bill of materials estimate. Include everything that you think you need to get a better idea of the initial costs.

Build the Mast Beam

Using wood and epoxy, cut and glue together the pieces of wood that will form the mast beam. Most of the work at this stage can occur in a garage since it involves building small parts. Still, the work could take up to 4 months, so be prepared to put in long hours.

Build the Boat Hull

Now, it’s time to build the boat’s hull. A catamaran comprises two hulls which are connected with a deck. Below is a short video showing how to build a hull mold:

This work requires a larger facility, so you might need to move out of the garage and into a boatyard. If you don’t have access to a larger workshop, consider building a shed where you can work as you do the construction. Make sure there’s enough room to fit the boat and also allow you to work comfortably. To cover the shed, you can use opaque white tarps. 

Sheathe the Hull

Get all the materials you require for this stage in the construction, such as lots of resin, fiberglass, and foam for use in the hull cores. You’ll also require matting and glass roving to sheath the hull . 

Sheathing helps to make the hull impervious to water and other marine borers. But first, you need to prepare the hull using a rotary sander. To make it as smooth as possible, use light, sweeping strokes. This is a very dusty task so be prepared to wear a facemask and safety goggles. 

Install the Bulkheads

Next is installing the plywood bulkheads . You might need to call in friends to help turn the hulls or use a crane. In this step, you will need to laminate the hull sides on the molded hull panels and bond them above the bulkheads. Ensure the bulkheads are snug and sealed in place.

Construct the Interior Structure

Over the next couple of months, the boat work will involve joining the hulls together with the beams that you had made back in the garage. Then, install the cuddy cabin, decks , and the cockpit . Soon the boat will start to take the shape of a catamaran.

Next, proceed to construct the major structural components such as stairs, hatches, mini-keels, and the interior. Then comes the work of fairing the boat, which is quite labor-intensive. 

Finally, it’s time to apply primer on the catamaran boat and start the paintwork. Before painting the boat, you will need to do additional sanding to finish off the two layers of primer as well as fill all the pinholes. Since it’s a large boat, the catamaran has lots of surface area; thus, the sanding could get extremely exhausting—mentally and physically—at this point.

The painting can take a while, too. The hulls are the easiest to paint, but the topsides, non-skid, as well as masking and prepping could seem never-ending. 

The final stretch involves working on the center bridge deck cabin and other final touches like installing the engines, electricals, and plumbing. This is also the time to fix the rudders, rigging, mast, windows, and deck fittings.

Launch Your Cruising Catamaran

After many months or years of hard work, your cruising catamaran is finally ready to test the waters. After lowering the boat into the water, check carefully in case there are leaks. If none, you can set up the sails and take your catamaran out for your first cruise. 

Below is a short video that takes you through the entire boat-building process:

If you don’t have deep pockets, don’t despair. It’s also possible to build an inexpensive catamaran boat, as shown in this post from the coastal passage .

The Pros of Building a Catamaran

Though it will be a costly endeavor, there are so many things to look forward to should you decide to build your own catamaran:

• It can be lots of fun.
• You get to have a new boat.
• It’s an excellent hobby for DIY enthusiasts.
• The effort is rewarding.
• It offers a great learning experience.
• You get the exact kind of boat you want.
• You can alter building plans and tailor the boat to suit your specific needs.
• It might be cheaper than buying a new boat.

The Cons of Building a Catamaran

Though there are a number of positive aspects to a DIY build, it is just as important to keep in mind that it won’t always be easy:

• Maintenance costs can be quite high.
• It’s both mentally and physically exhausting.
• It might require some technical know-how.
• It can take many months or even years to complete.
• It requires a lot of commitment to finish the DIY project.
• It might be challenging as well as expensive to get insurance.  
• You will spend almost all your free time building the boat. 

DIY Cruising Catamaran Tips and Tricks

If you are new to boat building, it would be a good idea to build a small boat first. This would give you a good indication as to whether you’d enjoy tackling a more extensive project like building a catamaran. Again, if you are the handy type, fixing your own electronics could also save you a significant amount of money. 

Here are more tips and tricks to get the most out of your DIY cruising catamaran:

• Lower your costs. Bring down your costs even further by sourcing for parts and supplies at marine surplus outlets, Craigslist, eBay, or wholesale suppliers. 
• Enhance your resale value. Most home-built boats are not easy to sell since they tend to be too customized. To enhance your resale value, it’s advisable to work with a standard design from a well-established naval architect.
• Follow the design instructions. Make sure to follow the designer’s instructions regarding the type of materials and tools to use during the build to avoid making costly mistakes.
• Maintain your original budget. Avoid any additional customizations once you have started building the boat. Using good plans and sticking to them ensures that your budget doesn’t spiral out of control.

Final Thoughts

Building a catamaran is about more than saving money. It’s fun, exciting, fulfilling, and can be a great learning experience. While it might take many months of back-breaking work, comparative shopping and sourcing for materials will help you save a lot of money. Still, at the end of it all, you’ll have a beautiful catamaran boat, all ready for your first cruising adventure.

However, if you have neither the time nor the energy to build your own catamaran from scratch, refurbishing an existing hull might prove faster and easier. It also works out much cheaper than buying a new boat.

Owner of CatamaranFreedom.com. A minimalist that has lived in a caravan in Sweden, 35ft Monohull in the Bahamas, and right now in his self-built Van. He just started the next adventure, to circumnavigate the world on a Catamaran!

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Hello, I am a French Quebecer who is original, imaginative, creative and who finds that all boats and catamarans have a huge flaw and a very big lack of logic. I would have a brand new concept…. I am sending this message to any catamaran creator – designer to make those who have the opportunity and the intelligence to want to know about my innovative idea which will finally upset the market much richer. An idea that will totally change the concept of sailing, navigation and save so much worry!! All I would ask for is a small percentage of each sale of the new product. To be able to make me produce one when I have enough!! It is certain that like that, you just want to tell me: come on Mr. Lessard give us your idea but do not take your word to help me in return! But, if you are the kind of man to have only one word and maybe have a proof of your good faith if the realization of the project would make it… I will be very happy!! Giving it to everyone wouldn’t bother me either…. all I would like is to be able to find flax fiber (too expensive carbon) to be able to try to make my catamaran myself. Because not rich! Have a nice day and looking forward to having a message!!

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	RCGroups Message   Quick Reply The following errors occurred with your submission Thread Tools Similar Threads Category Thread Thread Starter Forum Replies Last Post Help! JimMcWhorter Dock Talk 18 Sep 18, 2011 03:53 PM Discussion BigDawg Sailboats 2 Sep 08, 2011 10:46 AM Help! Ruhibasak Racing Boats - Internal Combustion 1 Feb 02, 2007 07:53 PM Discussion Davey G Racing Boats - Electric 4 May 19, 2006 02:42 PM Question gpd_05 Racing Boats - Internal Combustion 4 Dec 14, 2005 08:25 PM Electric Flight Advertising Our Sponsors Review Policies Terms of Service Privacy Policy Site History Mark Forums Read Member Search Upcoming Articles Do Not Sell My Data Manage Consent Back to Top GRAINGER DESIGNS CRUISING NEWS The seafront of Cartagena in Colombia is the backdrop for two sailing vessels of different epochs and sharply contrasting character. Against the sea wall  Galeon Bucanero , a replica of a Spanish galleon of the seventeenth century is totally at home against the fortifications of this historically significant Spanish port city. In the foreground Chincogan 52  Sole currently circumnavigating the globe stops over en route to Panama and the Society Islands. Over the years I've received many wonderful photos of our boats from around the world. This one is an absolute classic. Many thanks to Mike and Sarah Mason for the shot. THE WORK WE DO RAKU CATAMARANS CUSTOM DESIGN SENSORI POWER CATAMARANS SPLASH DOWN FOR RAKU 44#1 Raku 44#1 launched in Brazil. See more images in the build gallery here Join the Newsletter Scroll to top 357 IMAGES RC Wing Sail Catamaran Free Rc Catamaran Boat Plans Plans catamaran rc ~ Melisa Catamaran Rc Boat Plans Homemade RC Performance Catamaran Homemade RC catamaran Build VIDEO RC Sailboat Regatta (HD) Mini40 RC-Sailing Catamaran "KAMPAI40" Rc-sailboat, Racing Catamaran Videoprojekt 2019 Gosport hd (non) Rc Sailing Catamaran model Wave 58 "Sta Ana" RC catamaran electric COMMENTS RC Wing Sail Catamaran RC Wing Sail Catamaran: This is a Wing Sail Catamaran project that I started over 6 years ago after seeing the new AC 45s introduced to the America's Cup races. The model uses PVC sheet, Carbon Fiber tubing and 377 Dupont Mylar to "skin" the wings. The "Cookie Cutter" cons… Best RC Boat Plans Dual-Hull Catamarans: With two hulls, these boats offer better stability at higher speeds—a balance between complexity and performance. Scale Models: Replicas of real-world boats. ... The Ever-evolving World of RC Boat Plans. The world of RC boats is ever-dynamic. With advancing technology and evolving design philosophies, new plans and ... 48 inch Catamaran Build 48 inch Catamaran Build. Alright, time to get this beast started! I found the plans here on RC Groups. I believe these plans came from Jesse at Offshore Electrics. Thanx Norman22 for posting them. I was going to put a weed eater engine in it, but was hesitant. Ya see, i wanted to do a budget build. Free RC Sailboat Plan Downloads Look under Racing Sparrow 750 plans on this page. An STL file for 3D printing is in the pipelines. Email me if you want a copy. While we think 3D printing is great, we believe old-skool strip planking balsa is a wonderfully simple way to make a very lightweight boat with excellent longitudinal strength and beauty. RC Boat Plans RC Boat Hull - part one - starting hull construction. RC Boat Hull - part two - adding deck, keel and lower bulkheads. 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Offshore catamaran Mystic C5000_V1 BJ26 or upgraded Catamaran 24: SARCFAN: Dock Talk: 4: Feb 28, 2011 11:35 AM: Sold: Victor model Products Wildcat Catamaran kit: Robert Pulse: RC Boats (FS/W) 0: Dec 21, 2010 09:16 AM: New Product: Billing boats new offshore tug "Fairmount Alpine" Sharky1dk: Scale Boats: 16: Dec 20, 2010 04:23 PM: Discussion: Which electric Catamaran is the best ... 7 Super-Fast RC Catamaran Boats Editor's Rating: 4.3/5. This RC fast cat is the ready to run (RTR) RC Blackjack 24" brushless catamaran. It's a fun boat for use on ponds and lakes that leaves plenty of waves in its wake. Best feature 1: Ready to run (RTR) catamaran. Best feature 2: Powerful 2000Kv brushless water-cooled motor. 24'' catamaran plan 24'' catamaran plan. Hi couple of days ago i think to build a boat but on internet i don't find any acurate sized plan.So i think to design my own catamaran with reference of some other plans.These are the exect and accurate sized plan of 24'' inch catamaran.I am uploading pdf and cdr formate. Open Source 13-15m Catamaran Plans archie1492 Junior Member. Dear all, I want to create a detailed building information model for a 13 - 15 meter catamaran that is capable of being CNC cut and assembled. I need some help finding plans I can use as a basis of design. Specifically, I need the hull profile information. Section cuts through the hull will give me the ideal contours ... RCSails The Nightmare is designed to be able to sail on one float, it is a stable design which is not pitch poling easily. Look the pictures and the video clips of our boats. Free plans for the MK VII and the MK VIII can be downloaded here. Boat Data: - hull lenght 1200mm without front fender - beam 1210mm - epoxy-fiber glass floats , weight about 475g ... 14+ DIY Remote Control (RC) Boat Plans [FREE] 7) Assemble the motor, wiring, and electronics onto the boat hull. 8) Install float switch and ignition circuit. 9) Install steering controls and electronics onto the boat hull. 10) Install propeller into boat hull and wiring. Tips for keeping your remote control boat in good condition. Conclusion. Radio-Controlled Sailboat Kits: The Ultimate Guide Overcoming Challenges in RC Sailboat Kits. Building and sailing radio-controlled sailboats can present some challenges, especially for beginners.One of the biggest challenges is understanding the complex instructions. Moreover, setting up the radio transmitter can also be daunting as it requires technical skills. Additionally, navigating the boat can be difficult as the wind and water ... 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