I map my sticks the way they were intended. Right stick = Elevator / Aileron, Left Stick = Throttle / Rudder. That said, I may remap or remix a model to use the aileron input for the rudder output. I have a few 3 channel planes that work the same way. 1) Vapor, 2) Vapor Lite, 3) FT Trainer. It always confuses my buddy when He flys them and the rudder is mapped to both the aileron and rudder channels. LOL
Cheers!
LitterBug