When takeoff in stabilized mode every thing is going smooth. After hovering very steady for 30-40 seconds it start to right yaw about 90 degree. When i try to yaw with my stick opposite direction it have no effect at all and i have to land.
I also tried to disconnect GPS without success. Same same...
I have seen several issues regarding this but treads are of older date and mostly solved on updates. So i post my problem as a new post.
Here are my configuration.
Frame: Talon 550 carbon frame (distance between motors is 42 cm)
Motors: T-Motor 2212-16 750 kv
ESC: Turnigy 6Ah
Battery: 3cells, 11,1v 3700mAh
APM 2.5 with 2.8.1 firmware
TX: Futaba T8J
RX: Futaba R2008 SB