Originally Posted by
Drachenschorsch
Ouch.
I use a 23 turns brushed motor, perhaps a brushless 13 turns motor ist just a little to much. Try the metal gears next, if I ever chew the outer gear on my car, IŽll use a metal gear there too.
Edit: I just noticed you are already using the steel gears.

You may need a steel diff, too....
They made a steel diff??!?
If so what is the part number?