Exactly. Think P-39 with a rotor system. I wouldnt want to be on that transmission design team.
Another complex arrangement:
BUGATTI Model 100 Racer
Then again, perhaps those who participated in and enjoyed the earlier rotorcraft technical discussions have moved on.
FWIW, I enjoy reading these discussions, though I'm somewhat reluctant to join in. That's an interesting list of topics Dave, as is your website.
Bob