@klytech wrote:
I am using DJI f450 + Pixhawk MINI + AC-3.5-rc. I took off in AltHold mode. The drone seems to keep leveled. However, it is constantly drifting in random directions. I am wondering is this normal? I see online people can fly f450 very stable and fixed in position. What might be the root causes? Calibration error, GPS signal not good, PID tuning not good, or weight unbalanced? Also, what methods can I use to debug this issue.
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