No ground crew today. Down view camera was installed.Front camera view of todays flight testing of PID settings for throttle cruise 80 & throttle max 120, pitch compensation .30 Test battery a 2250mAh 3s lipo had 1 cell going bad,
I replaced battery and retested, but crashed flat and hard when I panicked and set Mode to FBW instead of Manual..
Systems damage report:
Power train,APC 7x4…