"Seems like there have been many instance of a runaway climb in Auto and Loiter modes that I have read on the forums (or seen personally). Is it possible that this is being caused by not setting the new tuning values as per Randy in the V2.9 / V2.9.1…"
"A side effect of this is that if your hover throttle position is not centered, you can get a runaway climb when you flip to loiter. Apparently this can happen in auto mode at the end of a mission when loitering above the LZ (a friend's quad climbed…"
"Solved. Bad BEC (Hobbyking x3-6 mini BEC) caused the APM to fail resulting in spurious inputs to the motors. Removed the BEC and everything appears to work (except the GPS which was destroyed)."
Has anyone had a yaw input cause an immediate flip to full inverted? At this point it was about 75ft up and unrecoverable so I cut the motors to lessen the impact velocity. All damage was easily repairable. This is a 3DR hexab with v2.9 firmware.…