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Old 07-25-2002, 10:37 PM   #1
Tech Rookie
Join Date: Jul 2002
Location: TX
Posts: 3
Cool Brushes, and the burnt side

I've been browsing this forum for some time now and I've learned alot; however, I can't seem to find a question I've been having. My question is I've aligned my brushes and still have black on 1/4 of the trailing edge are my brushes not aligned still? I've heard that that blackness on the trailing edge is always there on a stock moter, but I've read that it should dissapear if the brushes are aligned propperly. Anyway suggestions?? Should I realign the brushes or just leave it and run the moter? I've aligned them after cutting the comm and made sure that the break in mark is in the center of the bruch. Can someone help me with this. It would be greatly appreciated.

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Old 07-25-2002, 11:04 PM   #2
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Join Date: Aug 2001
Posts: 298

Try going up one spring tension on the positive and negative. You are probably (and should be!!) breaking in brushes at a lower voltage than the motor is subjected to in the R/C.

Treat the brushes as individuals when aligning.....and yes...it IS possible to overalign....actually retard the timing of the motor when this occurs.
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