Originally Posted by
KeselowskiFan22
I bought a new 1/10th scale Slider on eBay and I've ran into a couple of problems. I bought a 2-cell LiPo for it from a local hobby shop and went to run it. Turns out the ESC was faulty, so replaced that, and it worked great, for about 24 hours. I ran it in the driveway to get used to it, then took inside into our basement and ran it on the carpet. Charging periodically to keep the LiPo from draining out completely. I went to run it earlier today, and it was slower than ever, on full charge. It kept getting worse, so I swapped out the transmitter batteries for a fresh set. Nothing happened. I figured I might have stripped out a gear, so I checked inside the case, nothing was wrong. I tightened up the slipper just a tad, and it didn't help at all. I even went so far as to check every single gear in the differential, and they were all fine. I've charged the battery to full capacity, and it is definitely not the problem. The motor does seem to be making a slightly different sound than normal, so could that be my problem? Please help me out, any advice is appreciated!
If it is a brushed motor, the problem could be a broken brush spring. I had this same issue on one of my cars before I went brushless. The spring that pushes the brush onto the comm probably broke and the brush is no longer making consistent contact to the commutator. Chances are, the broken piece of the spring may be stuck to the side of the motor can
In any case, you'll have to go to your hobby shop and buy new spring(s), they're cheap and relatively standard across all cars and motors.