Hi, I am pretty sure this has nothing to do with v.4, but I didn’t know where to put my topic.
After a small break from the hobby, I decided to reflash my old F550 and do a new configuration, as I have never really been satisfied with my configuration.
My F550 experienced had a near death experience, after a successful autotune. I did an autotune with all settings as described as the documentation suggest, and the aggressiveness of the autotune set to default. Everything went great and I was pretty happy with the tuning. It flew very well. It was a calm evening.
But when I decided to do a fast descent which I did notice was a bit unstable, it almost went wrong. When I raised the throttle to maintain the altitude the vehicle started banking from side to side (90* bank angle, to 90* bank angle opposite) for a looooong time (seemed like forever). I went into panic and accidentally hit landing gear switch, tried to change mode, but nothing helped. The autopilot kept things in “control” and suddenly it went into a stable hover…
I have attached my log file and parameters, if anyone could give it a look, and give suggestions for what to change, it would be appreciated. Do I need a more/less aggressive autotune? I know I could change the decent rate but it wasn’t even going that fast so I would prefer to fix the problem, rather than hiding the problem.
DJI F550 frame
Tmotors (MN3110-15, 780kv)
10" master airscrew props
Cube Black (with all imus running (mask set to 7)
SimonK ESCs (working fine, never had desync)
5000mah 5s graphene lipo battery.
Any help is appreciated. Thanks…