I've been flying for a while but have not had much time of late so I left my APM 2.5, 2.9 firmware 3dr quad sitting on the shelf for several months. I took it out to fly the other day and on doing my typical preflight I noticed that the quad wants to start rotating to the right as soon as it gets enough power to leave the ground. I have aborted flights, upgraded firmware, re-calibrated but no luck. Just at the point of takeoff the quad starts rotating to the right. I did notice on my last test spin-up the fron-right motor was making a bit more "clicking" nothing that I would consider terribly out of place but its all I have so far?
Any tips on what to look into in this situation? Not sure what logs to look at, throttle looks fine, all the accels and compass settings look normal but I'll continue to research.
If anyone has a tip I'd be most grateful for any thoughts, thanks!
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