@Hugh_Neve wrote:
Hi,
I have what used to be a Quanum Nova / CX-20 with a genuine APM running firmware 3.2.1. The Autotune mode is set up to a combination of switches.
In Autotune a sequence of moving the stick to the left for two seconds, to the right for two seconds, etc., gives an improvement in roll; after a few similar movements in pitch the 'copter starts oscillating in pitch then becomes divergent, inverting and powering itself into the ground. Its almost as if the gain is being changed in the opposite direction to that in which it should be heading The APM is correctly oriented, magnetometer calibrated, accelerometers calibrated. External GPS and compass installed.
Any suggestions would be appreciated. I have been trying to get this to fly half decently for over a year on-and-off and am running out of patience. It flies but the loiter is terrible and even in stabilise it tends to wander off. I'm beginning to think it would be better to install a trained mouse and a joystick, shouting directions to it via a megaphone....
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