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      07-20-2008, 04:55 AM   #12
swamp2
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Drives: E92 M3
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Quote:
Originally Posted by mixja View Post
Yeah using gear ratios and final drive to calculate number of wheel revolutions per engine revolution, and then the wheel circumference to derive speed.
The radius of the drive wheel is part of the torque multiplication just as gear ratios are. They belong in that calculation as well as the one to get vehicle speed. Probably not a big correction but a small error if you left it out.