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10-22-2003, 03:11 AM

#3905

Barger

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Guys If you are using foams this is the way to work out the rollout

Tyre diam x 3.1416 divided by spur x pinion divided by 2.35(internal ratio SD

ie: 62 x3.1416 divided by70 x 26 divided by 2.35 = 30.78 rollout

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