Please see attached log and screenshot.

  • Pixhawk
  • Flying wing
  • Arduplane 3.3

Flying mission with auto takeoff and waypoints. Plane perfectly executes take off and heads to first waypoint. Upon arrival at first waypoint plane pitches down until impact - even though desired pitch is up. No failsafes. No errors I can find. Z vibration low at time of failure. Any ideas?

Thanks!

-Brian

Justin_Crash.gif

76_short8.zip

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Replies

              • yes, sorry for that , too quick look - you are right, pitch

                by line 52650 roll deviates a lot as well.

                The only thing I think is strange, did your mission had only 4 commands ?  -  was it a test mission (it seems so)

                • The plane crashed in a field and rested over night with power on. Amazingly the lipo powered without completely discharging and damaging the battery. The Log file was 389 MB so I deleted the part where the plane was just sitting. The plane was still together and flyable. The servos, hinges, pushrods, control horns, are all still good. This seems like a mechanical problem, but I can't find it.

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