Originally posted by The Nutter
The Picture above is what my form currently looks like.
I think it should work the other way. noone think I will run a 72/26 combo, they think I need to run XYZ rollout for this track with this motor. Then think about what spur and pinion you need.
Input a rollout you want to run and then it works out the best Spur and Pinion combo. But then you have to find out what size spurs work with what cars.
i.e try putting a 100 spur 48 pitch into a TC3
Coxy.