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• Best RC Boat Plans

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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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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How to Build RC Boat Hull: A Guide to DIY Construction

• By - Kyle Hilson
• Posted on April 17, 2023 June 2, 2023
• Posted in RC Boats

Building an RC boat hull from scratch is an incredibly rewarding experience for any hobbyist or model builder. The process of designing and building your own RC boat hull is both challenging and exciting. By building your own RC boat hull , you not only have the satisfaction of completing a project from start to finish, but you can also customize its design to suit your specific needs and preferences. Additionally, making your own boat hull can save you a significant amount of money compared to buying an RC boat that is already assembled. In this guide, we’ll walk you through the steps required to build your own RC boat hull so that you can experience the joy of seeing your creation glide through the water. We’ll cover everything from choosing the right materials to waterproofing and testing, so you’ll be well-equipped to tackle this rewarding project. Whether you’re a seasoned RC boat builder or a beginner, this guide will provide you with the tools and knowledge to get started building your own boat hull from scratch.

Choosing the Best Materials for Your RC Boat Hull

When it comes to building an RC boat hull , your choice of materials is critical. There are several types of materials that can be used to build an RC boat hull, including:

• Carbon fiber

Each material has its own advantages and disadvantages. For instance, balsa wood is a lightweight and affordable option, but it requires a lot of planning and labor to create a solid hull. Fiberglass is popular for its durability and resistance to water, but it is a bit more expensive. Carbon fiber is known for its strength and lightness, but it is also one of the most expensive materials to work with. Plastic is a cheap and easy option but not as durable as other materials. Finally, wood is a great classic option that can be beautiful and durable with the right treatment.

If you’re not sure which material is best suited for your RC boat hull, visit online RC boat forums or YouTube channels to see what other people have used in their boat building projects. Some stores that specialize in RC boat building materials offer customized advice and suggestions for which materials will be best suited for your specific project.

What is the Best Material for Making RC Boat?

When it comes to building an RC boat, the choice of material is vital for the durability, speed, and overall performance of the boat. The three most popular materials used in constructing RC boats are as follows:

• Balsa Wood: Balsa wood is a lightweight and affordable material option. It is easier to shape and carve, making it perfect for bigger and more complex hull designs. However, balsa wood is not as durable as other materials and not suitable for rough water conditions.
• Fiberglass: Fiberglass is a lightweight and strong material that can last for years. It is perfect for speed boats and is suitable for rough water conditions. However, fiberglass can be challenging to work with and requires some level of experience.
• Carbon Fiber: Carbon fiber is the most expensive option on this list, but it is also the lightest and strongest material of them all. It is ideal for high-performance RC boats that can reach high speeds without the added weight. Carbon fiber boats are also more durable and can handle rough water conditions better than other materials.

When choosing a material for your RC boat, it is essential to consider your budget, skill level, and intended use of the boat. Do your research and consult with experts in the field before starting your project.

Blueprint Designing and Cutting

Before you start building your RC boat hull, you need to create a blueprint or a plan. This is important to ensure that you get precise dimensions to create a boat that will float properly. Here are some tips for designing and cutting a blueprint for an RC boat hull:

Keep in mind that designing a blueprint for an RC boat hull requires precision and patience. Take all your time to ensure that your blueprint is perfect before moving to the next stage of your project. With the right tools, you can easily cut your blueprint to perfection. Some websites, blogs, or YouTube channels offer helpful tips and tutorials for designing and cutting blueprints for RC boat hulls. You can find useful resources like these at RC Boat Guide or through brands like Traxxas .

How to make a homemade RC boat?

Making a homemade RC boat is a fun and engaging activity that lets you customize and design your boat as per your preferences. Here are the steps to make a homemade RC boat:

• Choose the type of boat you want to make (e.g., speedboat or tugboat).
• Gather your materials, including wood, foam, or plastic for the body, RC motor, battery, and controller.
• Design and cut the body of the boat using a jigsaw or a foam cutter.
• Wire and assemble the RC motor and battery, and install them to the boat.
• Install the RC controller and test the boat in the water.

Several websites, such as Instructables and Makezine, provide detailed instructions and DIY guides on how to make RC boats using different materials and techniques. Additionally, you can also purchase RC boat kits from online retailers like Amazon, Banggood, and Hobbyking, which come with all the necessary components and instructions to build your own RC boat.

Assembling the Hull Components

Once you have your blueprint in hand, you can start to assemble the hull components of your RC boat . Here’s what you need to know to properly assemble your RC boat hull:

• Clean the cutting edges of the hull components before assembly
• Mark the right and left sides to avoid confusion when gluing the hull
• Use sandpaper to smooth out rough edges before gluing the components
• Use a wax paper or a teflon-coated surface to avoid having the glue stick to your work surface
• Apply a generous amount of adhesive to each piece to get an effective bond
• Double-check your blueprint to ensure that you are gluing the components in the right order

Remember to take your time and be patient when assembling the hull components of your RC boat. Don’t rush this process as it can lead to mistakes that can ultimately affect the buoyancy of your RC boat. Once you’re done gluing the hull, give it enough time to dry or cure. There are a number of websites and tutorials that can offer helpful tips or product recommendations when it comes to assembling the hull components of an RC boat. You may also use the reviews section of various products to find out what other RC boat enthusiasts suggest.

What are the components of an RC boat?

An RC boat consists of several essential components that allow it to run smoothly and perform well. These components include:

• Radio transmitter and receiver
• Battery and charger
• Motor and propeller
• ESC (Electronic Speed Controller)
• Hull and deck

Radio transmitter and receiver: The radio transmitter is the device you use to control your RC boat, while the receiver is the component that receives the signals from the transmitter.

Battery and charger: RC boats run on batteries, and a charger is necessary to charge them before use.

Motor and propeller: The motor and propeller are the components responsible for propelling the boat through the water.

ESC (Electronic Speed Controller): The ESC manages the power delivery to the motor, allowing you to adjust the speed and direction of the boat.

Hull and deck: The hull is the shell of the boat, while the deck covers the top of the hull, protecting the internal components.

Servo: The servo is a device that allows you to control the rudder or other mechanisms on the boat.

If you’re interested in purchasing an RC boat, be sure to check out our website for a variety of models and accessories: [Insert website here].

Applying the Finishing Touches

After assembling the hull components , you’re now ready to add the finishing touches to your RC boat . Here are some tips and tricks to help you paint the hull of your RC boat:

Keep in mind that the finishing touches are crucial to give your RC boat a stunning appearance. There are a number of websites online that offer helpful tips and product recommendations when it comes to painting the hull of your RC boat. Read through reviews and tutorials to gain ideas on how you can customize and beautify your RC boat. Check out Amazon’s selection of RC boat paint for inspiration.

Can I paint the hull of my boat?

Yes, you can paint the hull of your boat. In fact, it’s recommended to do so every few years to protect the surface from exposure to saltwater and sun damage. Here are a few things to keep in mind:

• Clean and sand the hull properly before painting
• Choose a marine-grade paint that’s appropriate for your boat’s material and use
• Consider hiring a professional if you’re not experienced in boat painting

For more information on boat maintenance and DIY projects, check out Boating Magazine and West Marine’s online resources.

Waterproofing and Testing

Once you have finished painting and customizing your RC boat, it is crucial to waterproof the hull before taking it out for a spin. Here are some tips on how to waterproof your RC boat hull for optimal performance:

It’s worth noting that waterproofing the RC boat is a key factor in ensuring its longevity and optimal performance. There are several online tutorials and websites that provide helpful tips and waterproofing products to help in the process of waterproofing an RC boat hull. Always take your time and follow instructions carefully.

Check out this waterproof epoxy resin on Amazon for a reliable waterproofing seal on your RC boat hull.

How to Waterproof a Boat?

Waterproofing a boat is crucial for protecting it from damage caused by water. Here are some steps to waterproof your boat:

• Inspect the boat to identify areas that require waterproofing, such as seams and fittings, and identify any damages or leaks.
• Prepare the surface by cleaning it thoroughly and removing any old sealant or adhesive. You can use a scraper and solvent to clean the surface.
• Apply a high-quality marine sealant or marine epoxy to the identified areas in thin, even layers. Make sure to cover all seams and fittings, and apply the sealant according to the manufacturer’s instructions.
• Allow the sealant to cure completely before exposing the boat to water.
• Regularly check for leaks and reapply sealant as needed to maintain the boat’s waterproofing.

There are various websites and products that offer guidance and materials for waterproofing boats, such as West Marine (https://www.westmarine.com/) and 3M Marine (https://www.3m.com/3M/en_US/marine/).

Building your own RC boat hull can be a fun and rewarding experience. With the right materials, tools, and instructions, you can create a boat that suits your specific needs and preferences. By following the steps outlined in this article, you can ensure the construction process is smooth and enjoyable.

Whether you’re a seasoned RC enthusiast or just starting, building an RC boat hull is a great way to get creative and improve your skills. By taking the time to learn and perfect the process, you can create a truly unique boat that will turn heads at the lake.

Don’t be intimidated by the process, take your time, and enjoy the journey. In case you want to go deeper, there are many resources available online that can offer additional information and techniques. Try different approaches and find what works best for you.

We hope this article has provided you with valuable insights and helps you in your quest to build your very own RC boat hull. Happy building!

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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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Hull Type Guide

RC V-HULLS (Moderate to drive / Turn in both directions)

The bow-to-stern wedge shape of a V boat hull knifes cleanly through waves rather than pounding, to deliver the smoothest ride in rough water. The better riding qualities are offset by added draft and less stability. Because it has more drag than a flat-bottom, the V-hull also requires more power to reach the same speed. Shop all of Pro Boat’s RC V-Hulls here .

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RC CATAMARANS (Easiest to drive / Turn in both directions)

Catamarans have been riding the water longer than most other boat hulls. They fill a small niche in America but are more common in other parts of the world. Using two hulls bridged by a deck, the catamaran design increases beam for greater stability along with more speed. Compared to similarly sized monohulls, catamarans also usually have a shallower draft and require smaller engines. Shop all of Pro Boat’s RC Catamarans here .

RC HYDROPLANES (Most difficult to drive / Only right turns)

Hydroplane hulls have a distinctive three-point design that uses the water for lift, rather than buoyancy, along with propulsion and steering. When at speed, hydroplanes touch the water at three points — at the rear of the two front sponsons and at the propeller location. The only parts of the hull generally in contact with the water are “runners” under the sponsons and “shoes” at the rear of the boat. Shop all of Pro Boat’s RC Hydroplanes here .

Model Boat Plans Store

Model boat plans for immediate download cad generated and lofted and/or large-scale scanned and electronically cleaned up. 30 day, 100% satisfaction guarantee. never folded, no shipping, no hassle.

Here is a list of my small, but growing collection of high-quality model boat plans. Please have a look!

RC Boat Plans - CAD Generated

Pt boat plans.

There are two "bundles" of these plans:

1. 1:32 and 1:24 in a single zip file. Each consist of two sheets in PDF format. Find out more here .

2. 1:16 ***NEW*** Giant scale on three 36" x 72" sheets. Read more here. For prospective buyers outside the USA: Make sure you have a printer who can handle the paper size!!

They are based on the RC PT boat that I was building, inspired by the old Lindberg kit I had as a teenager. All three are essentially the same design, only in three different sizes. Click the links above for more information.

Easy RC Boat Plans

If you're new to model boat building from scratch or just want something easy, try this one. It shares a similar easy-to-build hull construction as the PT boat, but is actually even easier to build.

The boat measures 15 inches long finished and weigh just over a pound (about half a kilo). The size was kept small to facilitate printing onto relatively common paper size.

The plan is laid out with all templates on five 11x17 size sheets and the bulkheads and other templates on two 8 1/2 x 11. The plan can also be printed on ISO-sized paper (A3 & A4). Click the heading or image above for more information . This is a real bargain.

Civil War Ironclad Plans - CAD Generated

Css virginia plans.

Model ship plan of the first Confederate ironclad AKA Merrimack (or sometimes incorrectly Merrimac). I spent many months researching the vessel and this plan is the result.

The plans show no model construction, but is rather a representation of the real ship as she would have appeared just before the battle at Hampton Roads.

• Hull lines - full sections, buttocks and waterlines.
• General Arrangement views showing:
• Casemate details
• Armor layout
• Steering arrangements etc.
• Details include:
• 30-foot cutter with complete lines.
• Three scales :
• 1:48 (1/4"=1') scale, one sheet 36" X 108"
• 1:72 (1/6"=1') scale, one sheet 36" X 60"
• 1:96 (1/8"=1') scale, one sheet 27" X 36"

USS Monitor Plans

It would seem weird to offer the CSS Virginia without the USS Monitor, so here it is. The plans come in the same scale as her nemesis, so why not get both?

• Hull lines - full sections and waterlines.
• Rivet details
• Armor and deck layout
• Turret with canvas canopy
• Rudder and Propeller arrangements etc.
• Turret cross section
• 1:48 (1/4"=1') scale, one sheet 36" X 61"
• 1:72 (1/6"=1') scale, one sheet 36" X 42"
• 1:96 (1/8"=1') scale, one sheet 22" X 36"

Early US Warship Plans

Uss olympia, protected cruiser c-6.

Here is a plan set for building the protected cruiser USS Olympia of Spanish-American War fame. This plan can be used for either bread-and-butter model boat construction or plank on bulkhead.

Templates for each construction method is included in the plan set.

You can see Roger Kreiter's model built from these plans here.

• 1/96 scale - 50 X 36 inches
• 1/144 scale - 36 X 23 inches
• 1/96 scale - 46 X 36 inches
• 1/144 scale - 36 X 40 inches
• A separate pdf document (8 1/2 X 11 inch) with each Section Template laid out in full. This document can also be fitted on A4 format paper.
• Midship Section of the ship at 1/4"=1'

USS Maine, Armored Cruiser ACR-1

Uss oregon, battleship bb-3, uss texas, launched 1892, uss iowa, battleship bb-4.

For any questions or comments about these plans, please use the form on the Contact Page .

More About These Model Boat Plans

They fall into two categories:

CAD generated and computer lofted

The CAD generated plans are of exceptional quality, simply because they have never been printed, scanned or folded. These are the best print quality and accuracy I've ever seen in a set of model boat plans. The first time they are printed is when you take the files to your local print shop. To my knowledge, nobody else offers this service.

Scanned and electronically cleaned up

The down-side with CAD generated plans is that, for a one-man-show, it takes a long time to generate each one of them. I've concluded that it would benefit more people to simply offer scanned plans of these historic ships.

These plans are still excellent quality, and of high resolution. As the originals are over 100 years old, many hours have been spent cleaning them up to a my own high standard

All plans are in pdf format. If there are more than a single pdf-document in the download, it comes as a Zip-file. For those files you will need a zip/unzip program to access the plans. I use jZip because it's free and reliable.

Changing the scale when printing out is tricky with pdf files. I have therefore formatted each document for a single scale. Follow the link for more tips on printing pdf's further down on this page.

At one point I offered the CAD generated plans in several different scales, all individually. It drove me crazy trying to keep track of it all, and try and figure some sort of price structure. I gave up and decided to offer all different scales of the same subject in a single download. It has worked out well.

When you buy these model boat plans you receive a zip file containing multiple drawings at different scales. You get more flexibility in choice of scale, I get less files to track. A win-win.

For any questions, feel free to use the Q&A or the contact form (link below).

• Have the model boat plans printed locally and save money . Click here for printing tips.
• Feel free to ask any questions about these plans. Use the contact form .
• Link to Store policy/Terms Of Use page.

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Model Boat Plans

Testimonials.

Hi There, I bought your PT Boat plans several weeks ago and I am building the 40" version.  I have built the Dumas PT 109 twice over the last 30 years and I have to say that your build is unique and easier!  Good Job!  Thanks for the great plans.

Steve J. San Diego, CA, USA

Just a note to let you know how much I enjoyed building your "Cabin Cruiser". I'm about 90% complete and look forward to 'ice-out' so that I can see how well she performs.

I have scratch built many airplanes but always lacked the knowledge to build a boat. Your excellent instructions provided that needed knowledge and I now look forward to building your PT boat. Thank you, very much.

John S.  Beloit, WI, USA

This has been a real heartwarming project for me to watch my 12 year old son work on this with me. The [PT-109] Plans are great and the parts thus far have all fit like a glove. Well worth the money... You should charge more!

Steve F. Fayetteville, NC, USA

Just writing to say that I bought and down-loaded your U.S.S. Monitor plans. They are beautifully done, the best I've ever seen of an ironclad and have inspired me to build a model of her.

Matt B. San Diego, CA, USA

Took my disc to The Copy Centre this afternoon and had them printed. I was most impressed with the quality of reproduction and it looks like the size would be perfect for an RC model.

Syd K. Vancouver, Canada

I wish to thank you once again for the down-loads on two ships that I'd ordered. The down-loading was most easy to accomplish. I'm NOT a computer whiz so I was indeed happy to see the process was easy.

The super-size Kinko's printout was/is great to have not only for really good, clear details but for a very nice, nearly over-whelming print to stare at.

The print-outs from my own printer are equally useful for "carry around" purposes. I can grub up copy after copy as I carve out the hulls, paint, or cut out some detail that is needed. They are also very handy for note-taking as I progress on the models.

I must say the cost of your down-loads was most reasonable as well. Thank you on this especially since I am retired on a fixed income.

So, thank you for your product that met all my needs in this area. I've nothing at all to find fault with or complain to you about. I am completely happy with the images you provided.

Steven W. Salem, MA, USA

PDF Downloads

The model boat plans are available for download in PDF format for:

• Zero Shipping Cost
• Instant access

Printing the Plans

Learn more about printing the plans locally. Visit the Model Boat Plans Printing Page for more information (will open in new window).

By  Petter Blix 

Copyright 2009-2018 Building-Model-Boats.com

Trademarks belong to their respective owners

All Rights Reserved

Introduction: RC Boat

How to make an easy and fast RC Boat!

Step 1: The Plans

Here you have the boat plans in .dwg and .pdf format.

Download the .PDF plans if:

• You don´t know how to use AutoCAD yet.
• You don´t have a laser cutting or CNC machine.

Attachments

Step 2: Materials Needed

Build the boat:

• 3 and 5 mm plywood panels.
• Coping saw.
• Sand papers.
• Polyester resin.
• White glue.
• Red, black and white paint.
• Inkjet with white and decal sheets.

Electronics:

• 15kg servo.
• CNC Coupling.
• 200A brushless ESC.
• 115 mm Rudder Shaft.
• HB 3650 Brushless motor.
• 3 channel receiver.
• FS-CT6B transmitter.

Step 3: Cutting the Pieces

• Resize the .PDF as you wish for making a bigger or smaller boat. This model is 900mm long.

Tip: Under 550mm boats built with this plans tend to submerge when the lake is choppy. Be careful!

• Print the pieces in white paper sheets and stick them on the 3mm panel.
• Draw the contour of the pieces with a pencil into the plywood.
• Dettach the papers and cut the panel following the lines you have done before.

Note: Don´t cut Half of Deck pieces until you have read Step 6.

Step 4: Hull Bottom

• Glue the bottom pieces to the transom.

Tip: Sand down the inner parts of the bottom pieces before for creating a strong glued joint.

• When the trasom glue has dried up, put the bow sections together.

Tip: Glue four semi-spheric wooden sticks as bilge keels. They will help the boat going straight at high speeds and rolling less.

Step 5: Hull Sides

• Repeat the Step 3 process with the side pieces.

Notice the extra lenght added to the rear pieces for hiding the rudder.

Step 6: Deck

• Join the Half of Deck paper sheets together with cellophane tape or draw the contour of one piece and later the other one with the same sheet.
• Decide the cockpit size and cut the deck squared gap with a cutter. It may vary depending on the motor and batteries you are going to use.

Tip: Don´t make a big gap. The deck is straight until it reaches the yellow line. Exceeding it may cause problems when fitting the cockpit.

Step 7: Waterproofing the Boat

Polyester resin is a good sealer and adds extra strenght to the structure. Without it boats tend to dissasemble while crashing or after a few days touching the water.

• Mix it with two catalyst drops in a can. Pour it inside the boat and spread it over all surfaces and joints.

Step 8: Motor and Rudder Mount

• Attach the rudder shaft to the transom with four screws.
• Cut another 5mm piece. The servo support must have four drilled holes.
• Cable ties are a simple way of making a servo keep its place. Pass them through the holes.

Tip: Install a rubber bellow enclosing the servo bar. Avoid water to seep in!

• Make a 5mm plywood motor mount. We are using the HB 3650 Brushless Motor.
• Align the motor with the 4mm propeller axis and glue the mount to the bottom pieces.

Tip: Seal the axis and bellow with lithium grease. Without it water could flow inside the hull easily.

Accessories as trim tabs and turn fins can be bought or made using aluminium plates.

Step 9: Cockpit Brackets

• Make an U structure using thin plywood sheets and squared sticks, the cockpit must fit in the gap.
• Glue four screws to it. Their nuts won´t let the cockpit fly off while moving.

Tip: An easier yet effective way of sealing it is making the last picture´s four corner sticks frame. When you have the cockpit in place and the boat ready to sail, paste electrical tape on the cockpit-hull junction.

(The last picture is another boat, its Instructable will be ready soon!)

Step 10: The Cockpit

This model´s cockpit is made out of fiberglass.

• Give shape to a polystyrene sheet using sand papers. This is going to be the mold.
• Wrap it in plastic. This will help to separate the final pieces.
• Add fiberglass strips soaked with resin all around the mold.
• When dry, apply more soaked strips to put the upper and lower cockpit together.

(In the newest models I use another technique to make the cockpits, I will explain it soon)

Step 11: Add Some Extras

• Add four squared sticks to the finished cockpit. Make sure they fit the lower U structure!
• Drill four small holes to let the screws pass trought the cockpit.
• Air intakes look nice and help to cool down the electronics and the motor. But be careful with the watertight!

Tip: For small models don`t make gaps for the intakes, just glue them to the wood panel.

Step 12: Closing the Hull

• Glue the upper and lower hull together.
• Sand down the projections of the upper hull.

Tip: If they are big, use a cutter first to help you.

Step 13: Decorative Spoiler

A non functional spoiler sounds weird.

These boats don´t run fast enough to make it work properly, so it is more like an extra accessory.

Step 14: The Boat´s Base

To avoid paint scratches or rudder dents a 5mm plywood stand should be built.

Tip: Make it waterproof or fix the pieces together with another glue. White glued parts tend to separate while in contact with water.

Step 15: Base Painting

White paint is used as base. The spoiler looks great in red.

Step 16: Extra Painting

The boat´s appearance will be better if we add extra colours as red or black.

Design your own scheme to make yours an unique boat in the world!

Step 17: Adding Decals

• Search on the Internet logos you like or create your own ones. Paste them in a Microsoft Word tab.
• Print them on decal sheets. You may have to change the inkjet settings before printing.

Tip: For Epson inkjets you should change the paper type to Epson Photo Paper Glossy or Premium Glossy. Results may vary depending on the sheet quality, the ink type and the printer model.

• Apply some varnish layers to the sheet. If the ink makes contact with water, decals will smudge. Be careful!
• Inmerse the decals in a plate with water one by one. Paste them to the boat and dry them with paper.

Step 18: Varnish the Model

Apply 2 or 3 varnish layers to the boat.

You can add more to the decal areas to be sure they are not going to move or smudge. Safety first!

Step 19: Ready to Run

• Install the battery, the ESC controller and the receiver.
• Put some cloths inside the boat to soak up water if cracks appear.

Our RC Boat is now finished!

First Prize in the Water Contest

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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...

• Advertisement:

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.  

The Open Trawler Project!

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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

The woodwards Father & Son team on launch day. , New Zealand

Aug 1, 2007

Kevins stunning RG65 , New Zealand

Apr 1, 2013

Hi all, Just finished an RG65 racing Sparrow. (I made an 80% size one a while ago, it's in the gallery). Standard hull with 1 layer of 50g glass and epoxy. Deck is 1.5mm balsa with veneer strips on top. Single hatch with rubber seals and 3 hold down screws.as I fitted the rudder servo into the recessed rear deck. Corona servos DS339HV digital for the sails and CS939 analogue for the rudder, I fitted a greased cork gasket under the rudder servo arm to waterproof the servo. Battery is a 2S 1000mAh lipo with a regulator for the Rx and rudder servo. Radio is Flysky CT6B. laminated ply fin with 2 layers of 50g glass, rudder from balsa with 1 layer of glass. Ballast and fin is 680g. Mast is slightly taller at 1050 so the sails are slightly different to fit within the 2250cm max. All up weight is 1150g. I'll get sailing pix very soon.

Andy Saunders + Son , New Zealand

Sep 9, 2021

Rod Patterson , Christchurch, New Zealand

May 4, 2012

Sparrow I found on the net, looks like an rs1500 , Internet

Feb 2, 2010

Little RS375

Mar 9, 2006

Andrew Scott - RS1000 , Ayrshire, Scotland

Jun 9, 2010

Royal Declerk's - RG65(Foxy Lady) Sisters: 650 & 750 , Mount Martha, Victoria, Australia

May 2, 2018

Stephen Sutcliffe , Queensland, Australia

Mar 29, 2010

Fanie Nel - RS750 , Krugerdorp, South Africa

Apr 5, 2023

RC Boat Magazine The World's Leading Radio Control Boating Magazine

Select the right hull.

Tony Phalen June 6, 2014 How Tos 511 Views

Which is Best for You?

Let us start with the body of water you will be running on. Most racers like myself tend to stay away from free flowing or very large bodies of water, but with the proper hull, speed and power system one can run their boat quite confidently on large bodies of water. Large bodies of water can build large swells and upset the fun you could be having with your boat. The ideal body of water is one that is protected from winds as well as having a good area from which to launch and retrieve your boat safely. It is extremely important that when running your boat, swimmers and full-scale boats are not in the immediate running area.

RC boats come in a variety of sizes, power systems and hull styles. For this article, we will identify a few hull types.

HYDROPLANES Hydroplanes come in both full body hulls as well as outrigger hulls. Here we will touch on the major differences between them.

TO SUM IT UP Hydroplanes: Although the fastest hull design, they are limited to smooth water and only turn well one direction.

Monoplanes: The typical mono is not as fast as a hydroplane, but can operate on rougher water better than other hull types and also turn quite well in either direction.

Catamarans: Scale looks and aggressive steering are trademarks of a well designed and tuned RC cat. This hull style turns well both right and left and can reach fantastic speeds.

Tunnel Hulls: The tunnel hull is simpler to build and setup with speeds that are slightly slower than the other hull types, but the feeling of flying the boat across the water is hard to deny.

WRAP UP Selecting a hull style is largely based on what you like in the appearance of a boat. When deciding on a RC boat, take some time to see what model boating activity might be in your area. Also see if there is a local club and check out what hull styles they might be running. And remember, RC boating is best shared with friends!

Words by Mike Zaborowski

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Catamaran Hull Design

• Post author By Rick
• Post date June 29, 2010
• 2 Comments on Catamaran Hull Design

Part 1: Notes from Richard Woods

Since the America’s Cup experimented with going multihull, there’s been a lot of interest in catamaran performance and the catamaran hull designs that define performance. Many guys are investigating whether to buy a catamaran or design and build their dream boat. Let it be said here that building a large catamaran is not for the faint of heart. People begin building 100s of boats a year, yet few are ever completed, as life always seems to have a way of interfering with a good boat build. 

Never the less, since the rest of this website is about selecting and buying a boat , it only seems fair to have at least one webpage that covers catamaran design. This page contains notes on boat hull design goals and an accompanying page from Terho Halme has mathematical formulas used in actual catamaran hull design. It has become a popular research stop and an important reference to the catamaran design community.

The content of this page was reproduced from the maestro of Catamaran designs, renown British naval architect, Richard Woods, who not only designs catamarans, he sails them across oceans…. repeatedly. He has a lot to say on the subject of catamaran hull design.

“…When it’ all said and done, the performance of a sailing catamaran is dependent on three primary specs: length, sail area and weight. If the boat is longer it generally means it’ a faster boat. If she has more sail area, it means she’ a faster boat and if she’ light it means she’ a faster boat.  Of course, there are limits: Too much sail area capsizes the boat in brisk winds. If the boat is designed too light, she will not take any kind of punishment. Too slim a hull design and the boat becomes a large Hobie Cat capable of only carrying your lunch. Of course, too long and large and you’d have to be Bill Gates to afford one. Then there are lot of additional and very important factors like underwater hull shape, aspect ratios of boards and sails, wet deck clearance, rotating or fixed rigging and so on….” Richard Woods

All Catamarans are not equal, but all sailboats have two things in common: They travel on water and they’re wind powered, so the Catamaran design equations in the 2nd part should apply to every catamaran from a heavy cruising Cat to a true ocean racer.

Richard Wood’s comments on catamaran design:

We all know that multihulls can be made faster by making them longer or lighter or by adding more sail. Those factors are the most important and why they are used as the basis of most rating rules. However using just those figures is a bit like determining a cars performance just by its hp and curbside weight. It would also imply that a Tornado would sail as fast forwards as backwards (OK, I know I just wrote that a Catalac went faster backwards than forwards)

So what next?? Weight and length can be combined into the Slenderness Ratio (SLR). But since most multihulls have similar Depth/WL beam ratios you can pretty much say the SLR equates to the LWL/BWL ratio. Typically this will be 8-10:1 for a slow cruising catamaran (or the main hull of most trimarans), 12-14:1 for a performance cruiser and 20:1 for an extreme racer.

So by and large faster boats have finer hulls. But the wetted surface area (WSA) increases proportionately as fineness increases (for a given displacement the half orange shape gives the least WSA) so fine hulls tend to be slower in low wind speeds.

The most important catamaran design hull shape factor, is the Prismatic Coefficient (Cp). This is a measure of the fullness of the ends of the hull. Instinctively you might think that fine ends would be faster as they would “cut through the water better”. But in fact you want a high Cp for high speeds. However everything is interrelated. If you have fine hulls you can use a lower Cp. Most monohulls have a Cp of 0.55- 0.57. And that is about right for displacement speeds.

However the key to Catamaran design is you need a higher Cp if you want to sail fast. So a multihull should be at least 0.61 and a heavy displacement multihull a bit higher still. It is difficult to get much over 0.67 without a very distorted hull shape or one with excessive WSA. So all multihulls should have a Cp between 0.61 and 0.65. None of this is very special or new. It has been well known by naval architects for at least 50 years.

There are various ways of achieving a high Cp. You could fit bulb bows (as Lock Crowther did). Note this bow is a bit different from those seen on ships (which work at very specific hull speeds – which are very low for their LOA). But one problem with them is that these tend to slam in a seaway. 

Another way is to have a very wide planing aft section. But that can increase WSA and leads to other problems I’ll mention in a minute. Finally you can flatten out the hull rocker (the keel shape seen from the side) and add a bustle aft. That is the approach I use, in part because that adds displacement aft, just where it is most needed.

I agree that a high Cp increases drag at low speeds. But at speeds over hull speed drag decreases dramatically on a high Cp boat relative to one with a low Cp. With the correct Cp drag can be reduced by over 10%. In other words you will go 10% faster (and that is a lot!) in the same wind and with the same sails as a boat with a unfavorable Cp. In light winds it is easy to overcome the extra drag because you have lots of stability and so can fly extra light weather sails.

The time you really need a high Cp boat is when beating to windward in a big sea. Then you don’t have the stability and really want to get to your destination fast. At least I do, I don’t mind slowly drifting along in a calm. But I hate “windward bashing”

But when you sail to windward the boat pitches. The sea isn’t like a test tank or a computer program. And here I agree with Evan. Immersed transoms will slow you down (that is why I use a narrower transom than most designers).

I also agree with Evan (and why not, he knows more about Volvo 60 design than nearly anyone else on the planet) in that I don’t think you should compare a catamaran hull to a monohull, even a racing one. Why chose a Volvo 60/Vendee boat with an immersed transom? Why not chose a 60ft Americas Cup boat with a narrow out of the water transom?? 

To be honest I haven’t use Michelet so cannot really comment. But I have tested model catamarans in a big test tank and I know how inaccurate tank test results can be. I cannot believe that a computer program will be better.

It would be easy to prove one way or the other though. A catamaran hull is much like a frigate hull (similar SLR, L/B ratios and Froude numbers) and there is plenty of data available for those. There is also a lot of data for the round bilge narrow non planing motorboats popular in the 1930’-50’s which again are similar to a single multihull hull.

One of the key findings I discovered with my tank test work was just how great the drag was due to wave interference between the hulls. Even a catamaran with a modern wide hull spacing had a drag increase of up to 20 % when compared to hulls at infinite spacing. One reason why just flying a hull is fast (the Cp increases when you do as well, which also helps). So you cannot just double the drag of a single hull and expect to get accurate results. And any speed prediction formula must include a windage factor if it is to give meaningful results.About 25 years ago we sailed two identical 24ft Striders next to each other. They were the same speed. Then we moved the crew of one boat to the bow. That boat IMMEDIATELY went ½ knot faster. That is why I now arrange the deck layout of my racing boats so that the crew can stay in front of the mast at all times, even when tacking or using the spinnaker.

I once raced against a bridge deck cabin catamaran whose skipper kept the 5 crew on the forward netting beam the whole race. He won.

Richard Woods of Woods Designs www.sailingcatamarans.com

• Tags Buying Advice , Catamaran Designers

Owner of a Catalac 8M and Catamaransite webmaster.

2 replies on “Catamaran Hull Design”

I totally agree with what you say. But Uli only talk sailing catamarans.

If only solar power. You need the very best. As limited watts. Hp.

The closer to 1-20 the better.

Closing the hulls to fit in cheaper marina berth. ?

You say not too close. But is that for sailing only.

Any comment is greatly appreciated

Kind regards Jeppe

Superb article

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