Scottrick; I haven't put the car on the track yet. Just running it in my driveway. Right now its a 19t motor from a TC3 ready to run kit. Here I was thinking it was under geared because the motor was barely warm after running it.
Originally Posted by
Scottrik
What sort of motor are you running? Brushed? Brushless? Turns?
I'm guessing brushless because I just fed the info you provided into my calculator and would guess that you're overgeared for a 27 or 19T motor on a track that small unless it's being run nearly as an oval. You describe pretty close to 48mm rollout which is a bit more than I run with brushed motors on our 40' X 65' (basically twice as large as the track you describe) layouts here. With 10.5 I'm running 60-65mm, haven't tried my 17.5 (waiting on pinions) but I'm guessing I'll be on 75mm give or take.