cavscout

I could use some suggestions. I just bought a HPI Sprint 2 electric RTR. The problem I'm having is after running for awhile when I stop the car it won't move again. Sometimes if I give it a push it'll take off and be fine other times it won't run again for awhile. I thought there was dirt in the motor so I clean it and it ran for awhile but same thing happen again. I thought it was a heat problem but its relativly cool out and nothing feels warm. Not sure what else it could be. Any help advice would be nice.

daveaustin5

iTrader: (1)

Sounds to me like your motor could do with a skimming. I'd also replace the brushes.

If you ask you local hobby store, they may be able to service your motor for you. It shouldn't cost much, maybe $10.

cavscout

Thanks for the advice. Not sure what skimming is. I'm new to running electric have always run nitro. Thanks

UN4RACING

iTrader: (22)

He means to resurface the commutator on the armature.
Also it could be as simple as a motor brush spring, hes right though if your not sure take it to the local track or hobby shop they will dial it in for ya.

UN4RACING

iTrader: (22)

I'm not sure of the sprint2?
But ask them about a brushless system you will love it.
Novak GTB brushless system.