I've flown my Quad + Pixhawk twice and it worked GREAT.
Then I started to tweak things in APM Mission Planner to get the Tarot Gimbal tilt control working. Now it does.
But I must have messed with some parameters in the progress: I tried to fly yesterday and the quad wobbles like crazy.
Only tried in stabilize mode.
When I push the throttle (around half the stick), it starts to wobble on the roll axis quite hard, up to the point where it gets out of controll with motors alternatively spinning different RPM/almost stopping.
I thought it was a motor issue.
I changed all 4 and the problem is still here.
I changed propellers... same problem.
I calibrated again the ESCs... no luck
I reinstalled the arducopter firmware... same
I then thought I may have changed some parameters without knowing in APM Mission Planner.
I completely uninstalled the software and reinstalled a clean version to have the "factory settings" back.
Problem is still here.
Could this be caused by wrong PID settings I would have messed with in APM Mission Planner?
I attached screenshots of the settings.
Do they look right?
Also, I tried to push the throttle hard without the propellers on and it seems to be working fine...
I'm getting crazy.
Don't know what I changed, but I shouldn't have... :(
Thanks for all the help!
Frame: TBS Discovery
Pixhawk running arducopter 3.1.x (last version released) + 3DR GPS (+ compass) + 3DR telemetry
ESC: Afro ESC 30Amp Multi-rotor Motor Speed Controller (SimonK Firmware)
Motors: NTM Prop Drive Series 28-26A 1200kv / 286w (short shaft version)
Battery: Turnigy nano-tech 4500mah 4S 35~70C Lipo Pack
Tl;dr Quad worked fine, tried to control gimbal tilt through Pixhawk, messed with APM Planner parameters (most probably),
now quad wobbles like hell and is impossible to control,
I'm lost and frustrated, and begging for help ;)