Comment by criro1999 on February 10, 2013 at 6:49pm

How do you balance a motor? I know about balance the props, but what do you need to balance a motor? thanks

Comment by John Grouse on February 11, 2013 at 9:47pm

First try with a different ESC with the same or higher amp rating.  If the noise goes away you might have an issue with the timing settings on that specific ESC.  Double check the programming to make sure it matches the other ESC's  

If you get the same noise with a different ESC it could be a bearing.  Try spraying them with WD40 to see if you can clear out any possible grit and then try some graphite grease.  Failing that replace the bearings if you can get replacements or just get a replacement motor. 

Comment by Angus Allen on May 2, 2013 at 6:52am

Mate that is definitely bearing noise, sorry..

It probably has no lubrication at all, you could possibly try and repack the bearing with grease. I would just buy a new motor the save trouble.

(By now I guess you have already dealt with it) 

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