How To Waterproof An RC Car For Wet Conditions?

So you’ve got an RC car and you’re itching to hit the trails, but the weather forecast shows rain showers ahead. Don’t let a little wet weather dampen your spirits! In this article, we’ll show you how to waterproof your RC car so it can handle any wet conditions that come its way. From sealing electronics to protecting the chassis, we’ve got you covered. Get ready to make a splash with your waterproofed RC car!

Choosing the Right RC Car

When it comes to choosing the right RC car for wet conditions, there are a few factors to consider. First, you need to consider the design and features of the car. Look for a car that has a sealed chassis and water-resistant components. This will help to prevent water from entering the car and damaging the electronics.

Another important factor to consider is the waterproof rating of the car. Different RC cars have different levels of waterproofing, so make sure to choose one that is rated for wet conditions. Look for a car with a high waterproof rating to ensure maximum protection.

Lastly, opt for sealed electronics. Sealed electronics are designed to be more resistant to water damage, so they are ideal for wet conditions. These electronics have extra protection built-in, such as waterproof casings and sealed connectors.

Disassembling the RC Car

Before you can start waterproofing your RC car, you will need to disassemble it. This involves removing the body shell, taking apart the electronics, and detaching the motor. By disassembling the car, you will have better access to all the components that need waterproofing.

Remove the Body Shell

To remove the body shell, you will typically need to unscrew a few screws holding it in place. Gently lift off the body shell and set it aside. Be careful not to force it or damage any delicate components.

Take Apart the Electronics

Once the body shell is removed, you can start taking apart the electronics. Carefully disconnect any wires and remove the electronic components from their mounting locations. Keep track of all the screws and small parts so you can easily put everything back together later.

Detach the Motor

The motor is usually held in place by screws or clips. Unscrew or unclip it from the chassis and set it aside. Make sure to disconnect any wires connected to the motor as well.

Preparing the Electronics for Waterproofing

Now that you have disassembled the RC car, it’s time to prepare the electronics for waterproofing. This involves cleaning and drying the electronics, applying silicone conformal coating, and sealing connectors and wiring.

Clean and Dry the Electronics

Before waterproofing, it’s important to clean the electronics to remove any dirt or debris. Use a soft cloth or a brush to gently clean the components. Once cleaned, allow them to dry completely before proceeding.

Apply Silicone Conformal Coating

Silicone conformal coating is a protective substance that helps to make the electronics waterproof. Use a brush or spray to apply a thin, even layer of silicone conformal coating to all the electronic components. Make sure to cover all exposed circuitry and connections.

Seal Connectors and Wiring

To further protect the electronics from water damage, it’s important to seal the connectors and wiring. Use electrical tape or heat shrink tubing to seal the connectors and wiring connections. This will prevent water from seeping into the connections and causing damage.

Waterproofing the Motor

The motor is one of the most important components of an RC car, so it’s crucial to waterproof it properly. Follow these steps to ensure your motor is well-protected from water damage.

Protect the Motor with a Waterproof Cover

One of the easiest ways to waterproof the motor is to use a waterproof cover. These covers are specifically designed to fit over the motor and provide a protective barrier against water. Simply place the cover over the motor and secure it in place with screws or clips.

Seal the Motor’s Casing

In addition to using a waterproof cover, it’s also important to seal the motor’s casing. Use silicone sealant or adhesive to seal any gaps or openings in the motor’s casing. This will further prevent water from entering the motor and causing damage.

Apply Silicone Grease to Gears

Lastly, apply a thin coating of silicone grease to the gears of the motor. This will provide extra lubrication and protection against water damage. Make sure to cover all the gears, paying extra attention to the areas where water is likely to enter.

Waterproofing the Electronic Speed Controller (ESC)

The electronic speed controller (ESC) is responsible for controlling the motor’s speed and direction. It’s important to waterproof the ESC to prevent any water damage that could affect its functionality. Here’s how you can waterproof the ESC.

Coat the ESC with Liquid Electrical Tape

Liquid electrical tape is a great way to waterproof the ESC. Apply a thin layer of liquid electrical tape to all the exposed circuitry and connections on the ESC. Make sure to cover all areas thoroughly to provide maximum protection from water.

Use Heat Shrink Tubing

To further protect the ESC, you can use heat shrink tubing. Cut a piece of heat shrink tubing that is slightly longer than the ESC. Slide the heat shrink tubing over the ESC and use a heat gun to shrink it down. This will create a tight, waterproof seal around the ESC.

Apply Corrosion-Inhibiting Spray

Another option for waterproofing the ESC is to use a corrosion-inhibiting spray. Spray a thin layer of corrosion-inhibiting spray over the ESC, making sure to cover all exposed areas. This will help to prevent any corrosion that may occur due to exposure to water.

Waterproofing the Receiver and Servo

The receiver and servo are integral components of an RC car’s control system, and they need to be properly waterproofed to ensure optimal performance in wet conditions. Here’s what you can do to waterproof them.

Wrap the Receiver in Plastic Wrap

One of the easiest ways to waterproof the receiver is to wrap it in plastic wrap. Start by disconnecting all the wires connected to the receiver. Then, wrap the receiver tightly in several layers of plastic wrap, making sure to cover all the openings and connectors.

Seal the Receiver’s Housing

If your receiver has a separate housing, you can seal it to provide an additional layer of waterproofing. Use silicone sealant or adhesive to seal any gaps or openings in the receiver’s housing. This will prevent water from entering and damaging the receiver.

Waterproof the Servo with Grease

To waterproof the servo, apply a thin layer of waterproof grease to all the exposed gears and moving parts. This will provide extra protection against water damage and ensure smooth operation. Make sure to cover all the gears and joints thoroughly.

Waterproofing the Battery and Battery Compartment

The battery and battery compartment are prone to water damage, so it’s important to take the necessary steps to waterproof them. Follow these tips to ensure your battery stays safe and dry.

Choose a Waterproof Battery

The first step in waterproofing the battery is to choose a waterproof battery. Look for batteries that are specifically designed to be waterproof or have a high level of water resistance. These batteries have extra protection built-in, such as waterproof enclosures and sealed connectors.

Seal the Battery Compartment

Once you have a waterproof battery, it’s important to seal the battery compartment to prevent water from entering. Use silicone sealant or adhesive to seal any openings or gaps in the battery compartment. Make sure to cover all areas thoroughly to provide maximum protection.

Use Balloons or Rubber Grommets

To provide an additional layer of waterproofing, you can use balloons or rubber grommets. Cut a small hole in a balloon or rubber grommet and insert it into the battery compartment. This will create a tight seal around the battery and further prevent water from entering.

Waterproofing the Suspension and Drivetrain

The suspension and drivetrain are exposed to a lot of water during wet conditions, so it’s essential to waterproof them properly. Here are some steps you can take to ensure your suspension and drivetrain stay protected.

Apply Grease to Bearings and Suspension Components

Water can cause corrosion and rust on bearings and suspension components, leading to poor performance and potential damage. To prevent this, apply a generous amount of waterproof grease to all the bearings and suspension components. This will help repel water and provide lubrication for smooth movement.

Install a Waterproof Steering Servo

A waterproof steering servo is essential for a waterproofed RC car. Look for a servo that has a high waterproof rating and is specifically designed for wet conditions. Install the waterproof steering servo following the manufacturer’s instructions and make sure all connections are properly sealed.

Add Mud Flaps or Wheel Fenders

To further protect the suspension and drivetrain from water and mud, consider adding mud flaps or wheel fenders. These accessories help to deflect water and mud away from the suspension and drivetrain components, keeping them cleaner and reducing the risk of water damage.

Reassembling the RC Car

Once you have finished waterproofing all the components of your RC car, it’s time to reassemble it. Follow these steps to ensure everything goes back together correctly.

Reattach the Electronics and Motor

Start by reattaching the electronics and motor to the chassis. Carefully connect all the wires and make sure everything is securely fastened. Double-check all connections to ensure proper functionality.

Secure the Body Shell

Place the body shell back onto the chassis and secure it in place with the screws. Make sure the body shell fits snugly and is properly aligned. Tighten the screws securely.

Test for Proper Functioning

Before taking your waterproofed RC car out for a wet run, it’s important to test it for proper functioning. Turn on the car and check that all the electronics are working correctly. Test the steering, acceleration, and braking to ensure everything is in working order.

Maintenance Tips for a Waterproofed RC Car

To ensure your waterproofed RC car stays in optimal condition, follow these maintenance tips.

Clean the Car After Each Wet Run

After each wet run, make sure to clean your RC car thoroughly. Use a brush or a cloth to remove any dirt, mud, or debris from the chassis, suspension, and body shell. Rinse the car with fresh water to remove any remaining contaminants. Allow the car to dry completely before storage.

Inspect and Replace Any Damaged Seals

Regularly inspect all the seals and waterproofing measures on your RC car. Look for any signs of damage or wear and replace any damaged seals immediately. This will help to maintain the waterproofing integrity of your car and prevent water from entering critical components.

Dry and Store the Car Properly

After each use, make sure to dry your RC car completely before storing it. Use a soft cloth or compressed air to remove any moisture from the chassis, electronics, and battery compartment. Store the car in a cool, dry place to prevent any further moisture buildup.

By following these tips and properly waterproofing your RC car, you can enjoy the thrill of racing in wet conditions without worrying about water damage. Stay safe and have fun!