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bdebde
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Join Date: Dec 2006
Location: in a VAN down by the RIVER
08.18.2008, 05:41 PM

Quote:
Originally Posted by suicideneil View Post
Well, I was always of the impression that they were 6 pole motors, until someone contacted me about their BM that was being repaired- they are indeed 4 pole motors.

As for de-maging the rotor, only heat couod do that, or a poweful electromagnet wrapped around the motor for a long time.

And it is the rotor/magnet that has the poles 2-4-6 etc, the windings just determine the kv rating.
Why would the MGM show 75,000 rpm for it when set to 4 pole, unless they have the wrong windings in it (to high of kv)?
   
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