Just a thought, and I don?t know why. But with the renisis side
porting, or peripheral porting. It wouldn?t be very hard at all
to make a  rotary engine run the opposite direction if a person
needed it to. I wonder why I care?

Bob M.

You are probably thinking of a twin.

It will run backwards but the internal cooling would be all screwed
up :)

Paul Lamar


It would work perfectly in a parallel universe.
jd