Subject	You're changing gearing, so just divide diameters
Posted by	BobbyT on July 17, 2008 at 2:35 PM
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In Reply To	TT wheel torque...take 2 posted by Aquaholic1984 on July 17, 2008 at 11:28 AM
Message	25" diameter --> 20" diameter = 20% decrease in gearing, so ~20% increase in torque. You cannot solve for a 30 lb. or whatever force increase and equate it to a faster car...torque (and the force generated) is an instantaneous value; what you're doing is regearing for higher rpm so that you're putting out more power at each speed. It's really the difference in circumference, because that's the distance through which the torque acts, but diameter is linearly related so it works.
Follow Ups	TT wheel torque...take 2 - Aquaholic1984 11:28:12 07/17/08 Your formula is wrong. (n/m) - NytWolf 12:54:26 07/17/08 You're changing gearing, so just divide diameters - BobbyT 14:35:04 07/17/08
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