tricopter problem

Hello :D I have a love/hate relationship going on with my Talon Tricopter. I've got it flying, tuned in etc. etc. and it seems to not have a problem until... After a bit of hovering I move off slowly for some out and back type circuits (in the fairly tight area I have been testing in behind...

Hi, After a recently small crash I ordered a new ESC cause i thaught it was broken because 1 motor (M2) was running rly slow and with short shocks. So i swapped motors then, and the other motor but same ESC had the same problem. Now with my new esc and motor to be sure, i still got the same...