J1A1H XXL Torque Monster Buildup........

Originally Posted by Jahay

im not running 44/21 anymore... im running 47/18... top speed is 53mph and after 20mins of hard bashing im getting temps of 100-120max

I see, but the problem is that the error seems to be in the gears ratio coming out from tranny-to-diff, not that of pinion-to-spur.

Using the Top Speed Calculator with 47/18, You get a max speed of 36.85 mph (a bit more if You assume Lipo at max charge of 4.2 volts per cell), not 53mph.

Bye.