Let's have all the power afforded by an early 70's 280 shark, then the TR drive of a Rotorway. Give it the TR authority of a H269
A model and the correlator/throttle backlash of an early B47, and its VNE to go with it.
R22 (did I say R22!?) doorlatches and door pins and that little map reading light...
We could put the carb heat where it is very hard for the instructor to reach it (this one anyway)and close enough to the mixture control for Bloggs to need protection from himself afforded by a plastic tube...
I could go on.....I probably will!!