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E-Sky › What's wrong with my airplane motor?
01-24-2010 09:43 PM  8 years agoPost 1
racin06

rrKey Veteran

Indianapolis, Indiana

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I have a new and slightly used Blue Wonder 1700Kv motor with 10A ESC on my Piaget foamie. Periodically, when I connect the battery and increase the throttle, the motor will not turn, but it makes a clicking noise and vibrates slightly. I have switched ESC's and the problem persists. Therefore, that rules out the ESC as being the problem. Also, the lipo is fully charged. Any ideas on the cause of the problem?

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01-24-2010 09:52 PM  8 years agoPost 2
Melnic

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Columbia, MD,USA

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It can happen if the current draw is more than the solder connection can handle. Check for Bad solder joint on battery connection or the bullet connectors.
It can also be from one of the 3 motor wires being broken in the motor.
Another is motor timing wrong.

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01-24-2010 10:25 PM  8 years agoPost 3
racin06

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Indianapolis, Indiana

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Melnic,

Thanks for the great breakdown of possible causes. I checked the motor timing...good to go. I removed the shrink wrap from the bullet connectors...good to go. I then got the motor running and wiggled the wires going in to the motor...sure enough, the motor stopped. I was able to recreate the condition several times. My foamie experienced a couple of hard nose-in crashes last evening that probably broke one of the wires going into the motor. Is this an easy repair? Heck, the motor is only $12.00. I probably should just order another motor. Thanks again.

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01-24-2010 11:22 PM  8 years agoPost 4
Melnic

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Columbia, MD,USA

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cool.
Same thing happened to the motor for my GWS Slow stick. It was after someone borrowed it to test his new Rx.
He admited to crashing it. No sweat, I had another motor for it anyway.
This was my first brushless motor failure but the wires that go onto these flat little motors are pretty chinsy.

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