QuadCopter 3.2 Pixhawk, random flip and crash

Hello!

I have a QuadCopter with 3.2 version of ArduCopter working on a pixhawk. It was flying well in Loiter mode, when suddenly started wild flipping and I activated Land, but it kept flipping and suddenly fell. 

After hours looking over the log I couldn't find the reason.

I add the log, I hope you can help me. Thank you.

Sergio.

2014-12-09 14-35-10.log

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Replies

  • 3701891497?profile=original

    From the graph it looks like motor ones prop came loose as it pitched forward and right but motor one went to max and motor 2 went to low.

     

    • So the problem is a failure of motor one?

  • Gps/mag didn't come loose? Flight controller didn't become slightly off? No mechanical failure of any sort?
    • I didnt find any of them...

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