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Unread 10-12-2013, 08:56
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Re: [FTC]: Tetrix V2 motor internals

Quote:
Originally Posted by aklego View Post
Hi All,

The motor was still running but they appear to be installed incorrectly. The curvature on the contact surface of the brushes is rotated 90° wrt the curvature on the commutator and that seems rather odd. .
That odd rotation on the brushes has been around for a while. I noticed it several years back on our first motor that failed, and I thought the same thing as you.

I've never heard any other comment on it. I just assumed this was one case where logic didn't match actual application.

Looks like some more research is required.

Phil.
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