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RC Glossary


New to the RC Hobbies? What does buggy, bulkhead, nitro mean in radio control car hobbies? Check out the glossary for remote control cars below.

Foam Donuts --

Literally donut-shaped pieces of foam, these are mounted on wheels so that pan cars and touring cars can use them. Some race tracks are able to use foam tires (such as indoor carpet tracks for electric cars, or very smooth and clean outdoor tracks for nitro cars), but most racers use rubber tires. Foam tires have the advantage that inserts are not needed, they have better grip than rubber tires, they can last longer than rubber tires, and racers can use rollout calculations to figure out their gearing. However, ride height must be adjusted as the foams wear out, and on a 4WD car the wear must be closely monitored to make sure the car does not pull to one side as the car moves.
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