I am attempting to change the trim values for each of the motors because the aircraft does not take off steadily into hover. I am trying to change the values for each motor in servo output as well as the RC input values, however neither have any impact of the roll issues that we currently have. Are we using the wrong parameter? I know there is an autotrim function but we are unable to get it airborne to use it.
No, on ardupilot systems the trims must be centred at all times. Do not set them on the transmitter.
Just calibrate the accelerometer properly
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We started diagnosing hardware issues and it appears that one of the motors is moving significantly faster independent of the esc or settings in pixhawk. What could be causing this? We bought all of the motors at the same time.
Under what condition are you seeing this?
Never mind, you have double posted this.
apologies, I reposted since I did not realize someone would see the reply. Whenever the throttle is increased it is evident that whichever side this specific motor is on will induce a roll. We switched specifically the motor and kept the ESCs in place.