"wankle" rotary

[captn kev]

Originally Posted by phoenix7

I guess he's limited to a certain size radiator in that tiny plane.

Oh for sure this aircraft was originaly designed for an aircooled Polaris engine.
After that didnt work a Hirth aircooled was tried
After that didnt work a Zenoa aircooled was tried
after that didnt work ect *&^#
In the end the best but less than cost effective was a Turbine GPU from helicopters or a 2 stroke water cooled rotax.the hunt still goes on.