Remote control cars are extremely entertaining and are one of the most popular toys in the world. Many enthusiasts build their own remote control cars so they can customise the engine, steering capabilities and other features. Building a remote control car at home can be challenging but also very rewarding. This article provides detailed instructions on how to build your own remote control car.
- Skill level:
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Things you need
- Remote control car kit
- Rectangular steel plate 1 foot long by 6 inches wide
- 4 steel clamps
- 4 steel screws
- Phillips-head screwdriver
- Powdered graphite
- 4 washers
- Adjustable wrench
- 4 steel bolts
- 2-way radio frequency electrical motor
- Wire strippers
- 4 resistors
- Rubber cement
- Electrical drill
- 4-inch steel rod
- Rotating steel head with electrode that is 1 inch in diameter
Make sure the remote control car kit includes two axles, four tires and the housing for the handheld remote control device, which will be used to control the car.
Clamp the two axles to the rectangular steel plate. Make sure that the front axle is the one with the pivoting ends, which steers the car. Screw the clamps into place around the axles.
Cover the ends of the axles with powdered graphite, and insert the tires onto the axles. Hold the tires in place by screwing washers onto the ends of the axles with the adjustable wrench.
Bolt the two-way radio frequency electrical motor to the passenger's side corner on the front of the car's steel plate. Use the wire strippers to remove some of the coating at the end of the motor's lead wire and attach the lead wire to the copper ring around the right side of the front axle. Crimp the ends of the wire around the copper ring using your hands.
Strip some of the coating from the motor's steering wire (which is usually red or green) and crimp the ends of the steering wire around the knob on the bottom right of the front axle.
Glue two pairs of resistors to the inside wall of the housing of the handheld remote control device using the rubber cement. Leave a space of approximately 1 inch between the two pairs of resistors.
Drill a small hole through the wall of the housing in the middle of the 1-inch space, then place the 4-inch steel rod through the hole.
Snap the rotating steel head with the electrode to the end of the bar that is inside the remote control housing. Snap the plastic knob from the remote control kit to the end of the steel rod outside of the housing. This is the device that will steer the car.
Strip some wire coating from the end of the trigger wire and crimp the ends of the wire around one pair of resistors.
Close the remote control housing by snapping the two halves together and screw the antenna onto the top of the remote control device. Your homemade remote control car is now ready for use.
Tips and warnings
- You can order a remote control car kit from a variety of online vendors.
- Purchase the two-way radio frequency electrical motor from a hardware store or from an industrial distributor.
- Be sure to buy the necessary lithium-ion battery to go with the specific type of electric motor you purchase for your car. If, after extensive use, the car does not run, check to make sure the battery still has power before troubleshooting other areas of the car.
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