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Old 01-17-2007, 12:51 PM   #8984
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Tire Diameter x 3.14/FinalDriveRatio = Rollout........FDR = Spur/Pinion x Transmission Ratio(2.5 on TC4)

example: 57mm x 3.14/7.0 = 25.57mm

Rollout = 25.57mm

Rollout is the distance the car will travel with one revolution of the motor.
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