I have my quadplane setup with flaperons which, together with the inboard flaps, allow me to create camber over the full length of the wings for nice slow loiter. On a number of occasions when booting up the aircraft I have noticed that one or both flaperons are deflected which requires me to go into Mission Planner and manually reset the trim values. This does not happen all the time, just seems to be random.
To confirm, I am using Flaperon_Output function on RC13 and RC14. I have my flaps set up on RC10 wih RCn function=2 (flap) and this is also my FLAP_IN channel. Firmware is 3.7.1 but this was happening on 3.6 and earlier too.
Also, I recently did a radio calibration and noticed that as soon as I finished the process, both flaperons immediately went into the up position and again I had to go and manually change the trim values on RC13 and RC14. This happens every time I do a calibration.
Any thoughts on why this can be?