Quote:
Originally Posted by schofield
...the star on front is for weight and to leave a star imprint when i smack something.
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Anyway, how are you driving? If you have the throttle pegged a lot (running at top speed most of the time), you could try gearing up. If you hardly ever hit top speed, if at all, then gear down a little. I find that if the motor is wound out too much (geared too low) then it tends to get hotter. Likewise, if the motor never reaches top speed (geared too high), then things work harder.
It could be possible that the motor got hot enough a few times to weaken the magnet, but I think the issue is gearing.