Originally Posted by super rookie

assign elev as 1 and 2, rudders as 3 and 4, ailerons as 5-6 and aileron 2 as 7-8

Does this config. allow for rudder-elev and rudder-ail mixing without issue?

Yes, of course. In Function menu you have to choose, Aileron+Aileron2, Elevator+Elevator2 and Rudder+Rudder2 ... as simple as that ... You can do this for any type of wing or tail.