I agree that simplicity should be a first thought in a vehicle.
However, the benefit of Having a wasserboxer engine is one------------
HEAT !
And secondly, who has the time to create a Rube Goldberg concoction, to
make this set up fly?
I know, I don't!
Good idea on paper, but "here in the real world" unrealistic.

I Hope all of you have a beautiful Thanksgiving!

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Terry 85 GL