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glitch/flyaway

Started by barneskite28, Saturday,April 05, 2014, 04:47:53

Previous topic - Next topic

barneskite28

hey guys,
  i am flying my carbon y6 and last night on the last flight something strange happened...

i took off as usual, after about 10 seconds, i had a glitch.  Was just hovering, and the copter had a hard twitch to one side briefly, then stopped.. back to normal.  It was like i flicked the roll hard to one side and released it.

i went on flying in stab, switched on alt hold, then back to stab, then back to alt hold and the copter went into a high speed bank and into a tree.

i do not know what happened and i am trying to figure out what i did wrong, in the build or setup.

Board is crius aiop v2
mpng 3.0.1 r4
4s
gps
4822 motor
40a esc
rx d4r-II cppm

anyone experienced something like this before?
anyone know how to examine what happened?
Thanks

barneskite28



it seems lie there was 2 modes active at the same time, and i did not select loiter!!

not sure what happened, but i want to savemy copter and camera!!

HowDoIfly

The first glitch you describe matches what happened to my quad which I discovered was down to a badly soldered ESC>Motor cable.

Follow this guide to see if that';s the case www.copter.ardupilot.com/wiki/common-diagnosing-problems-using-logs/#Mechanical_Failures
Ifly4 no more, Hubsan X4, R550v2, X650F-V4

barneskite28

here is the log file... not sure what to make of it

HowDoIfly

If you plot the roll (what the gyros record) to the roll-in (what the FC is commanding) you can see there';s a difference. This suggests physical/mechanical failure. Check all connections/motors/props etc.
Ifly4 no more, Hubsan X4, R550v2, X650F-V4