Building a RC Car Frame: Step-by-Step Guide.

Building a RC Car Frame: Step-by-Step Guide.

Building a customized RC car is a fun and rewarding hobby, and making your own RC car frame is a great way to start. The frame is the foundation of the car, serving as the base to attach components such as the suspension, wheels, and motor. While buying a pre-fabricated frame is an option, building your own has many advantages, such as being able to tailor it to your specific needs and preferences. It may seem daunting at first, but with the right tools and materials, building an RC car frame can be a straightforward and enjoyable process. In this article, we’ll take a look at the steps involved in building an RC car frame, from gathering materials to testing and tweaking the finished product. By following these steps, you’ll be well on your way to building a sturdy and durable frame for your customized RC car.

Gathering Materials

Once you have decided to build a RC car frame, the first step is to gather materials. Here are the materials you’ll need:

  • Metal tubing, plates, or sheets (aluminum or steel)
  • Welding or epoxy (depending on the materials you choose)
  • Cutting tools (jigsaw or hacksaw)
  • Measuring tools (calipers, ruler, or protractor)
  • Protective gear (gloves, safety glasses, face shield)

When selecting your materials, it’s important to prioritize durability and quality, as this can affect the performance and lifespan of the RC car. Metal tubing is an excellent choice for the frame as it is strong and lightweight. You can find these materials at your local hardware store or online. Check out websites such as Amazon, HobbyKing or RC Planet for a wide variety of materials that you can order online. Once you have gathered all the necessary materials, you’re ready to start planning the design of the RC car frame.

What is the chassis frame of a car?

The chassis frame is the foundation of a car that provides support to all the parts of the car, including the engine, suspension, steering, and body. It is typically made of steel and is designed to be rigid to ensure the car is stable when driving. The chassis frame also protects the passengers and the car’s components in case of a collision.

If you want to learn more about car chassis frames, you can check out informative websites like Autoblog or Car and Driver. Alternatively, if you’re in the market for a car, you might want to consider researching the specifications of different car models and their chassis frames to make an informed decision.

Planning the Design

Planning the design of your RC car frame is an essential step that can make a significant difference in the car’s overall performance. Here are tips to keep in mind while planning:

  • Sketch the design on paper or a computer-aided design (CAD) software
  • Take accurate measurements to ensure the frame is symmetrical and balanced
  • Consider the type of terrain you will be driving on and adjust your design accordingly
  • Choose a design that suits your level of building skills
  • Don’t hesitate to get ideas from other RC car builders or websites such as RC Groups or RC Universe

Different types of designs can be used when building a RC car frame such as a ladder, tubular or hybrid frame. A ladder frame is the most basic design, while a tubular frame is more complex and can offer better traction on rough terrains. A hybrid frame, on the other hand, combines the best of both worlds, offering a balance of strength, weight, and durability.

Here’s a table comparing the features of different frame designs:

Frame Type Features
Ladder frame Simple and less expensive
Tubular frame Offers better traction and stability
Hybrid frame Combines the strengths of ladder and tubular frames

How to make a RC car design?

To make an RC car design, follow these steps:

  • Research different types of RC cars and their designs to get inspiration.
  • Create a rough sketch or blueprint of your design.
  • Select your materials and determine the scale of your model.
  • Start building and testing your design, making adjustments as necessary.
  • Add finishing touches like paint and decals.

If you need additional guidance, there are many websites and products available to help with RC car design, such as RC car design software and online communities for RC car enthusiasts.

Cutting the Frame

Once you have designed the frame of your RC car, the next step is to cut it out. To achieve precise cuts, the following tips will come in handy:

  • Print out a template of your design and use it as a guide for cutting
  • Use a jigsaw or hacksaw to get started
  • Wear safety gear such as gloves, safety glasses, and a dust mask when cutting
  • Smooth out rough edges using a file or sandpaper
  • Take accurate measurements along the way to ensure that the frame is symmetrical

If you don’t want to cut the frame manually, some CNC machines can do this job for you. A CNC cutting machine ensures that the cuts are precise, accurate and consistent, giving you a perfect frame.

A variety of tools that you can use to cut out your RC car frame easily. Websites such as McMaster-Carr offers a range of metal cutting tools such as saws, jigsaws, and lasers that can be used to cut out your design effectively.

What hand tool is used for cutting?

The most commonly used hand tool for cutting is a pair of scissors or a knife. However, there are several other types of hand tools used for cutting, such as:

  • Hacksaw
  • Bolt Cutters
  • Pliers
  • Wire Cutters
  • Pruning Shears

If you’re looking for hand tools for cutting, there are several websites and products available to choose from, such as Home Depot, Lowe’s, and Stanley Tools.

Assembling the Frame

Once you’ve accurately cut out the parts for the frame, the next step is to assemble them using a welder or epoxy. Here are some tips to ensure a successful assembly:

  • Clean the parts to be joined by using a grinder, wire brush or sandpaper
  • Double-check the symmetry of the frame before assembling
  • Use clamps to hold the parts together during bonding to avoid movement
  • For proper ventilation, assemble in a well-ventilated area

For welding, the Amazon is an excellent source for welding supplies, such as a compact flux core wire and a wire feed MIG welder. It’s convenient, affordable and offers many choices of welders based on your budget and project requirements.

If you opt for an epoxy as a bonding solution, important information like handling, curing times and optimal temperature settings could be attained from the manufacturer’s website. Such websites offer a range of adhesive products and tips on the best ways for parts assembly.

An assembled RC car frame creates a strong foundation for other electronics and mechanisms to work together with, offering great control over the car’s performance.

Can I use epoxy instead of welding?

Yes, in some cases, epoxy can be used as an alternative to welding, particularly for bonding materials such as plastics or composites. However, it is important to understand that epoxy does not have the same strength as welding and may not be suitable for high-stress applications. Additionally, epoxy cannot be used to weld metal materials.

If you are unsure about whether epoxy is a suitable alternative for your project, it is best to consult with a professional. There are also numerous online resources and forums where you can seek advice from experienced DIYers and professionals.

Some popular epoxy brands include:

  • Gorilla Epoxy
  • Loctite Epoxy
  • Devcon Epoxy

Testing and Tweaking

Once the frame is assembled, it’s important to test it for durability and balance before attaching other components. Here are some tips on testing and tweaking the frame:

  • Check for any signs of bending or cracking while applying pressure onto it
  • Place the frame on a level surface to assess its balance
  • Test different weights on the car to see how it affects its handling
  • Adjust the suspension to improve the car’s performance and stability

For those that are new to building RC cars, RobotShop is a website that offers a comprehensive guide on building the perfect RC car from scratch. The guide covers everything from selecting the best parts to assembling them in a step-by-step process. The website also offers a range of other resources and parts for building the perfect RC car.

Overall, building an RC car frame is not a complicated process, but it takes patience and attention to detail to create a sturdy and balanced frame that can withstand the pressures of racing. By following the steps outlined in this article and using the recommended resources, you can build an RC car frame that serves as a strong foundation for your ultimate racer.

What do I need to build my own RC car?

To build your own RC car, you need the following components:

  • RC car chassis
  • Motor
  • Battery
  • ESC (Electronic Speed Control)
  • Radio transmitter and receiver
  • Servo
  • Wheels and tires

Additionally, you will need basic tools such as screwdrivers, pliers, and wire cutters.

If you are new to building RC cars, there are many online resources that can help you get started. Websites like RC Universe, RC Groups, and RC Car Action provide information on different types of RC cars and how to build them. There are also many online stores where you can purchase all the necessary components to build your own RC car.


Building an RC car frame can be a fun and rewarding experience, especially for hobbyists who enjoy tinkering with machinery. While it requires a bit of technical know-how, building an RC car frame is relatively easy once you understand the process. By following the guidelines outlined in this article and taking advantage of available online resources, you can build a sturdy and reliable RC car frame that can withstand the toughest races.


There are plenty of online resources available that can help you build an RC car frame. Two of the most popular websites include RobotShop and RC Universe. Both sites offer a wealth of information on selection, assembly, and optimization of RC cars. Additionally, they provide high-quality parts that ensure your RC car performs to its fullest potential.

Ultimately, building an RC car frame is a great way to explore your creative and technical interests. It’s also a great bonding experience for friends and family members with similar hobbies. So, take advantage of the many resources available online, and get started on creating the RC car of your dreams.