Thanks for the reply Hamish,
The auxiliary channel feed through is fine for extras like gear etc, but I think it only gives the opportunity for assigning a physical pwm output for the higher rc channels (ch 5, 6, 7 etc), whereas i’d like to assign a primary flight control to an extra output.
I understand the Primary flight controls for the Pitch, Roll and Yaw axis, in addition to throttle is what the flight controllers loops are using as the ‘controlled variables’ on each axis.
In the air-frame options for conventional tail fixed wing there are two options, the first of which has ail, elev, throttle, rudder channels configured, the second is the same but with a second aileron channel (which gives the ability to set independent trims and min max limits compared to just using a Y-lead for two servos on one channel)
I have an air-frame that is a delta with two elevons plus two rudders, speed brake, gear etc. so i’d love to be able to choose a flying wing frame but add one (or better two) channels on yaw control to this air-frame.
I originally tried QGC but couldn’t see a way to configure my pwm channels and so went to MP/arduplane, where a user can choose any function (including primary flight control functions and multiples of any function) but then I had trouble with trying ardu fw on a holybro pixhawk4 FC, So now I’m back to px4 fw trying to assign pwm channels.