How to Make RC Car Tires: A DIY Guide

How to Make RC Car Tires: A DIY Guide

Building and customizing radio-controlled (RC) cars is an exciting hobby that attracts enthusiasts of all ages. An integral aspect of RC car customization is choosing the right tires that will suit your vehicle’s specific needs. Of course, store-bought options abound, but why not try making your own RC car tires? This allows you to customize your tires to fit your unique needs while also providing a fun and engaging project. Not only does building RC car tires provide a sense of satisfaction that comes from creating something yourself, but it also ensures that the tires you use are made from high-quality materials catered to your car’s specific requirements. While making your tires may sound complicated, this article will provide a step-by-step guide on how to make your own RC car tires, including the materials and tools necessary, design and preparation, tire molding, tire curing, as well as testing and improvements for optimal performance. So, get ready to roll your sleeves up and dive into this fun-filled project.

Gathering Materials

To make your own RC car tires, you will need to gather the following materials:

  • Tire Compound Rubber
  • Casting Rubber
  • Silicone Rubber
  • Model Car Wheels
  • Model Car Tires of your choice (to duplicate the size and design)
  • Modeling Clay
  • Non-Silicone Spray
  • Mold Release
  • Utility Knife
  • Cutting Surface
  • Scissors
  • Paper Towels
  • Gloves

To prepare for this project, you may purchase kit-form products such as the Smooth-On Tire Mold Kit that provides most of the materials you will need. These are also available in online shops such as Amazon, RebateZone, and others. You might also find them in your local hobby store.

How do you cast a footprint in sand?

To cast a footprint in sand, follow these steps:

  • Locate a firm and flat patch of sand
  • Remove any debris from the surface of the sand
  • Moisten the surface of the sand slightly to make it more compact
  • Press your foot into the sandy surface with a firm and steady pressure
  • Once you have formed a deep enough impression, gently remove your foot from the sand
  • Use a small brush or your fingers to clear any excess sand from the imprint
  • You can also use a plaster or clay mixture to create a more permanent cast of the footprint.

If you’re interested in learning more about casting footprints or other forms of nature-inspired art, visit our website for informational articles, tutorials, and product recommendations.

Tire Design and Preparation

Before making your own tires, you need to decide on your tire design according to your vehicle’s use. Here are some factors to consider:

Factors to Consider Examples of Car Uses
Tread pattern Racing, off-road, or street cars
Tire size Scale, realistic, or custom sizes
Compound type Soft, medium or hard
Wheel Type Rim size, spoke design etc.

To measure your tire size, start with your model’s scale size and then decide your preferences for thickness or height. Also, add to your tire any additional layer based on the tire thickness ratio in reference to the model car wheel diameter. Nonetheless, there is not any legal race car tire size or pattern, but there is a suggested spec tire available in the market. Additionally, you can refer to online forums on RC car tires and the tracks where they are driven.

How do I know which tyres best for my car?

If you’re confused about which tyres are best for your car, follow these steps to make the right decision:

  • Check your vehicle owner’s manual for the recommended tyre size, load capacity and pressure.
  • Determine your driving needs and priorities such as fuel efficiency, handling, noise reduction or tread life.
  • Research different types of tyres such as all-season, summer, winter or performance tyres.
  • Read reviews and compare prices to find the best options within your budget.

Additionally, many tyre websites offer a tyre selector tool where you can enter your vehicle’s make, model and year to find recommended tyre options. Some popular tyre brands and websites include Michelin, Goodyear and Tire Rack.

Mixing Rubber and Applying Tread

Mixing rubber and applying tread are essential steps to getting the performance you desire from your RC car tires. Here are some tips that can help you achieve the best results:

  • Start with a base rubber compound, which you can purchase from RC supply stores or online.
  • Choose a tread pattern that best suits your model car’s use and your driving surface.
  • Add a tire softener, which can increase the tire’s traction and grip on the road and improve its overall performance.
  • Fill the tire mold with the rubber compound and press the tread down firmly onto the mold, ensuring it is evenly spread.
  • Bake the tire mold in a convection oven or dish and add tire glue to secure the tread in place.
  • Make sure the tread is aligned correctly on the tire and that it is symmetrical on both sides.

It’s important to note that excessive tread could affect the tire balance, leading to poor handling and reduced performance. So, it is better to go with a simplified tire design if you’re just starting, and then improve as you gain more experience. Some online RC car communities can also offer guidance, as well as some online guides and tutorials from experienced enthusiasts.

What is the mixing of rubber compounds?

The mixing of rubber compounds involves combining different types of rubber with chemicals, fillers, and other additives to create a blend that meets the specific requirements of a particular application. The mixing process is critical to ensure the uniform dispersion of ingredients and the formation of chemical bonds that help to improve the overall performance of the compound.

Some important factors that affect the mixing of rubber compounds include the type of rubber used, the additives used, the mixing temperature, and the duration of mixing. Proper mixing can help to enhance the strength, durability, and flexibility of rubber compounds, making them suitable for a variety of applications.

If you’re interested in learning more about rubber compounds and their mixing process, there are several websites and products available that can provide more information. For example, the Rubber World Online website features articles, news, and product information about the rubber industry. Additionally, rubber mixing equipment manufacturers, such as B&P Littleford, offer a range of equipment and services for rubber compounding and mixing.

Making the Tire Molds

Creating a tire mold needs a bit more DIY knowhow of the process, but it is equally important to achieve the perfect tire design. Here are the steps to making your tire molds:

  1. Design your tire and make sure to take into account your preferred compound and tread design.
  2. Make the plug by shaping clay or foam, which will be used as a template for the tire mold.
  3. Cover the plug with silicone rubber and let it cure. This will create the negative of the plug and form the tire mold.
  4. Separate the tire mold from the plug and use the mold to make your tire.
  5. Remember to coat your plug with mold release, which will help release the tire mold and prevent it from sticking to the plug.

Tire molds need taking care of, so ensure you clean and store them in a cool, dry place when not in use. You can also purchase ready-made tire molds or use online guides and tutorials to help you make your own molds. Using a vacuum pump can also reduce the bubbles in the tire molds and improve the tire’s shape.

How do you mold tires?

To mold tires, the process starts with mixing raw materials such as natural and synthetic rubber, carbon black, and other additives. The mixture is then heated and molded according to the tire’s size and shape.

The molding process involves the following steps:

  • The rubber mixture is placed into a mold cavity
  • The mold is closed and heated under pressure
  • The mold is cooled, and the tire is removed

The resulting tire is then inspected for quality and durability before being shipped to various dealerships.

If you’re interested in learning more about the tire manufacturing process, check out the websites of leading tire manufacturers such as Michelin, Goodyear, and Bridgestone. They provide detailed information about their products and manufacturing processes.

Curing the Tires

Curing the tires is an essential step in the tire-making process, as it strengthens the tire and ensures durability. Here are some steps to follow for curing your RC car tires:

  1. Place the tire in a tire mold and then place it into a heat source for curing, such as an oven or a pressure cooker.
  2. The recommended curing temperature for different tire compounds can vary, so ensure you follow recommended guidelines to get the best results.
  3. Usually, the curing takes around an hour from start to finish, during which time you will need to turn the tire mold for even heating.
  4. You can also use a curing agent that will allow you to cure at lower temperatures, which will save energy and can also reduce bubbles in the tire.
  5. After curing, remove the tire and let it cool down, then remove the tire from the mold.

Remember to take safety precautions when curing your tires, as the process can be dangerous if done incorrectly. If you are unsure about the curing process for your tire design, check online forums and guides for RC car enthusiasts. You can also purchase ready-made curing agents available in the market.

What happens to a tire when it is placed in the tire mold?

When a tire is placed in a tire mold, several things happen:

  • The tire is heated up to a specific temperature to soften the rubber.
  • The mold closes around the tire, which shapes it to the desired size and pattern.
  • The tire is then cooled down so that the rubber hardens and maintains its shape.

This process is crucial in ensuring that tires are durable, safe, and long-lasting. Proper tire manufacturing is essential for drivers to maintain control and traction on the roads.

For more information on tire manufacturing or to browse high-quality tire products, visit websites such as Goodyear, Michelin, or Bridgestone.

Testing and Improvement

Testing your RC car tires after you’ve completed the building process is crucial to determine if your design works as expected or if there are any problems that need addressing. Here are some tips for testing and improving your homemade RC car tires:

Testing Your Tires

  • Test on different surfaces, such as carpet, concrete, or grass to see how they perform.
  • Test in different weather conditions to assess how your tire performs in different environments.
  • Pay attention to the stability of the tire, the grip it can provide, and the amount of traction it can generate in different terrains.
  • Monitor tire wear to ensure that your design is durable and long-lasting.

Improving Your Tires

  • Make adjustments to the overall design or the tire compound to improve performance.
  • Consider changes to the tread depth or shape to enhance traction and stability.
  • Research different types of materials that can be used to make the tire and test them to see which works best.
  • Discuss your design with other RC car enthusiasts in forums and groups to get feedback and suggestions for further improvements.


Building your own RC car tires can be a challenging but rewarding task. By following the steps outlined in this guide, and by testing and improving your designs over time, you can create custom tires that perfectly suit your RC car and driving style. Take the time to experiment with different materials and designs, and continually test and improve your tires to ensure you achieve the best results possible. Have fun, and happy racing!