Hi calistogasolo,
Sorry that you're still having difficulty.
Did you check to be sure what versions of firmware/software were installed? I forgot, did you install OpenSolo or are you still on the original 3DR branch. If that bird hasn't seen OpenSolo, I'd be stumped for sure.
I did not have that sort of problem. The only issue I had was that I had to remove my compass and ended up inverting it when I reinstalled it, I tried but could not calibrate the compass. Once I hooked it up to Mission Planner, I noticed the HUD was inverted, so that clued me in to the backwards compass.
Also, the advice to calibrate AWAY from buildings, power lines and even concrete is crucial... Did you get a good calibration? It sounds to me like "toiletbowling" If it is acting like in
this video, then it is compass error, just try recalibrating.. IF compass calibrations don't fix it, then I'm afraid I'm no help.
It sounds like toiletbowling. If so, then the calculated GPS position is different than what was commanded and the drone is continually trying to recalculate a new GPS position, resulting in the circular flight path.
Hope you're able to get it going again soon.
Good luck let me know