@Autonomost wrote:
Hi all,
I am trying to autotune a quad and it is very unstable. I have tri blade propellers from kde (https://www.kdedirect.com/collections/multi-rotor-propeller-blades/products/kde-cf155-tp) running on a 400kV motor.
The aircraft does not fly very well at all. If I give it any large increment in power, the aircraft starts to oscillate. I also tried to land the aircraft in loiter and got a large oscillation about a meter off the ground that led to a crash. The aircraft seems to have plenty of power, I tried reducing the sampling rate for the input and that had little to no effect.
I am attaching the logs for a few flights.
The final log is the log where I had these props on the aircraft, the other logs are with smaller props (https://www.kdedirect.com/collections/multi-rotor-propeller-blades/products/kde-cf125-tp) and I incremented the weight on the aircraft up to 2.5lbs, the aircraft is unable to fly at this weight with these props. Any help would be very much appreciated.
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