I was having many problems with 3.1.11 MP release. So, rather stupidly, I updated to the latest beta. Most of my prior issues were gone, good.
I do a pre-launch calibration after the accels and barometer have warmed up. I took off (fixed wing) went to Auto and noticed the plane was in a constant roll of +12 degrees! I RTL'd. When I got home I tried to figure out what went wrong. After a couple hours, I quite accidentley found that doing the pre-flight calibration had set "level" for the plane. Well my plane was not level but that's where the IMU thought level was.
Beware if you use the pre-flight cal.
Thank you for the post. I too had issues with 1.2.11 Mission Planner. The problem I encountered was the fact that instead of flying at the designated 400 feet AGL, it flew to 1,300 feet!
I have since updated to 1.3.12 and will check test it out this afternoon.
Yep, I had that too but I knew what it was since I had the same issue on a prior MP update. The update defaulted you to meters! Guess what 3.28 x 400 is? :-))
So Steve - for those of us who launch with a catapult launcher, this can be a serious problem. Thanks again.
Yes, I keep forgetting about github but sometimes when I post a problem or ask for help, it gets ignored. Here there seems to be more help.
btw, MP 1.3.12 was released and it guess what, "flightdata: PREFLIGHT_CALIBRATION do gyro cal as well". I haven't tested it yet but this could very well mean preflight cal sets a new "level". I don't really agree that this is a good thing.
Okay, I just confirmed that using preflight calibration in 1.3.12 will reset "level". IMO, this is a really bad idea. Maybe I'm missing something???