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UNDERSTANDING DIFFERENTIALS

PHOTOS PETER HALL Knowing what's inside makes all the diff-erence Unless you have a drag car, your RC machine has a differential—maybe even two or three. Even though nearly every car has at least one, and differentials are critical to a car's handling, they are often misunderstood. What does a diff do? How does it work? Which type is best? We have the answers. WHAT A DIFF DOES Anytime a car is cornering, the outside...
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