Phantom 3 Pro stress cracks


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Good looking forum!

I just picked up a Phantom 3 Pro and was very hesitant to do so because of some of the issues reported with stress cracks that sometimes appear in the underside of the motor housing. No problems with mine (...a low flight time, pre-owned quad) so far. However I was wondering if anyone else has had this problem, or if anyone has found a way to avoid it.

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I have hundreds of hours on my P3A - no problem with stress cracks.  I've read a lot about the issue too.  There doesn't seem to be any consensus about the cause of the cracks, but the best potential preventative I've heard is to make sure your motor mount screws are not over tightened. Of course you won't know if that's effective unless/until the cracks show up.

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