Hi all, I have one problem with my arducopter that i was not able to solve (after 2 days of testing), and that is ESC erratic behaviour. First when I apply the power, all motors start turning, and as I advance throttle one motor (rear) starts to glitch. After 2 tries I managed to get it in the air, but for 10 seconds, and the motor suddenly stopped working.  Then I went to this forum, and found…