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Feb 04, 2013, 05:01 PM
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United States, NH, Bartlett
Joined Jun 2012
19 Posts
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Nano CPX tail motor overheating
After doing some 3D flying with my Nano CPX, the tail motor gets so hot that it will burn you if you touch it. Is this normal? Or do I need a new tail motor? i have had it since christmas and put about 20 - 30 batteries through it. It still works the way it should, just gets really hot.
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Feb 04, 2013, 10:18 PM
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Joined Aug 2008
732 Posts
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If it's getting really hot, it won't stay working the way it should for long. Heat breaks down the enamel coating on the windings, so they begin to short and it's dead.
Are you sure the prop is not rubbing on the end of the motor? See how it feels turning it by finger, if it's sticky or grinding there is a problem. |
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Feb 04, 2013, 10:36 PM
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United States, NH, Bartlett
Joined Jun 2012
19 Posts
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The prop is not rubbing on the motor and it spins smoothly. Tomorrow I will try running it for a few mins not doing any 3D and see if it gets hot.
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Feb 05, 2013, 08:31 AM
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Joined Feb 2012
96 Posts
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tqb.....
You might try a TINY drop of light oil (like CLP or TriFlow) on the shaft - front and rear "bearings"....see if that helps... BTW...another Granite Stater here...just east of Concord..... 
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Feb 05, 2013, 09:49 AM
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United States, NH, Bartlett
Joined Jun 2012
19 Posts
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How would I get to the rear bearing without taking the motor apart? And if it matters it still get hot even if i dont do any 3D.
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