Originally Posted by Slotmachine

Hobbywing has a punch feature (same thing) if you run a lower # like 1 or 2 it will limit the start up power at takeoff or when you first pull the throttle.

As for the smallest pinion size I have been down to 13, when you try 12 there is a little extra slop in the gear mesh I didn't like.

Paul Rush
HWNA
Team Driver