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BrianG
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05.17.2008, 03:21 PM

I'm not so sure that holding it loose or tight will make a difference with respect to cogging because the rotor is turning with respect to the windings no matter what is held stationary.

To add to what sleebus said; when you use your ohm meter, expect VERY low readings (or what the meter considers continuity) since the windings are in the 0.01-0.001 ohm range. You'll probably see just the resistance of your test leads. No matter what, the reading across each phase should be the same.

You can take a AA battery and touch it across each phase. When you do this, the shaft will turn a little. Each phase should turn the same amount and speed.

I don't really think it's a fully blown phase though since the motor does turn.
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tha5150
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05.19.2008, 11:06 AM

Quote:
Originally Posted by BrianG View Post

You can take a AA battery and touch it across each phase. When you do this, the shaft will turn a little. Each phase should turn the same amount and speed.

I don't really think it's a fully blown phase though since the motor does turn.
yes the motor turns.

how do i test the AA method exactly? touch one end of the battery to one wire and the other end of the battery to another wire? making sure to touch the +end of the battery to all three wires? i want to do this tonight to eliminate the motor. but then, how can i test the MMM to make sure that isnt the problem or make sure the MMM and the motor are both bad. just my luck.
   
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