Yaw left problem

ArduCopter
1

hi friends
after start fly my quad rotate the on left.
Sure it’s a problem of yaw but i dont understand wich is problem.
In the calibration radio the Yaw it’s OK and value is 1500.
There is a way to set a yaw deadband ?

thanks

2

one particulary…

in the calibration radio when i move throttle the Yaw go down 1470 or near value…
then Yaw change value when i move Throttle…

3

There are both RC trim and deadband parameters in the firmware.

But usually that is not the problem. The problem is yaw imbalance. There are countless posts about that on this forum. One or more motors are twisted, level them

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