View Single Post
Old 01-17-2007, 08:43 AM   #8980
Tech Initiate
MleedM's Avatar
Join Date: Nov 2006
Location: Calgary
Posts: 40
Default Ratio

Originally Posted by ShaunMac
FT TC4 transmission ratio is 2.5
So using "R/C Car Gear Ratio Calculator", I have a Gearbox ratio of 2.5, Spur of 72 (right??), Pinion of 27, RPM around 20,500 and I'm guessing tire diameter of 2.2" (slightly worn GQ's ... what typically is the diameter of new tires? I don't have access to them right now). It says that my to speed is 20mph? Would this be about right then?


Last edited by MleedM; 01-17-2007 at 08:59 AM.
MleedM is offline   Reply With Quote