Quadcopter is flying in all four directions

Good day to all arducopter lovers, I'm a student from a uk university, and I am from Singapore. I had successfully built a quadcopter using the APM 2.0 flight controller, a motor and esc set from Jdrones, and a F-450 frame. 

After all the proper configurations are done and built, the maiden flight was flawless and it was able to fly off properly at my nearby sports stadium. However, after the first flight and numerous crashes and repairs, the quadcopter was unable to take off stably. The quadcopter would always pitch forwards and it rolls to the right if I try to compensate with the pitch stick on the DX6i transmitter.

I had tried lowering the values of the 'Stabilization Angular Rate Control P' in the Mission Planner under the Configuration Tab, from 0.18 to 0.11. The result is the quadcopter would roll/yaw in the clockwise direction. Using the guide from the Arducopter manual, I deduced that the quadcopter is oscillating very quickly and therefore I lowered the 'Stabilization Angular Rate Control P' even further from 0.11 to 0.10. The results after this was still the same, oscillating in the clockwise direction. Could it be because the P value was too low instead or are there any other tuning parameter I have to take note of as well other than the P value? The entire flying experience so far was in Stabilize mode. 


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  • Distributor

    Hello Suanruey,

    After the crashes / rebuilds have you checked that all the motors / arms / motor shafts are still straight?

    Have you been through the setup and levelled the copter again in the mission planner? Was it off level?

    What is the "HUD" in mission planner showing when the copter is sitting on a level surface, is the horizon level?




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