Brushless motor has grinding sound when rotating

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Philbruh

Member
Hi guys,

Recently I tried to move my components onto a new frame. As I was mounting the motors I noticed that one of them wasn't spinning like the others and was making a grinding sound. I forced a few rotations manually but eventually, the motor would not budge, even with a heap of force.

I have a feeling something might be stuck inside. Is it possible to open it? Its an emax RS2205s 2300kv motor, but cant figure out how to do so
 
Finally found what it was, there was a small piece of metal that was stuck between 2 of the magnets. Once I removed it the bell was moving freely again

My question now is would this have caused much internal damage after I forcefully rotated it?
 
Philbruh said:
Finally found what it was, there was a small piece of metal that was stuck between 2 of the magnets. Once I removed it the bell was moving freely again

My question now is would this have caused much internal damage after I forcefully rotated it?
Click to expand...
I'd be more worried about where that piece came from.
 
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