"Vaughn" wrote

Beemer? http://www.microlightsport.co.uk/Cat.../bmwengine.htm I
have
spent thousands of hours riding on top of my BMW engine, and often thought
that
I wouldn't mind flying behind one. That said, they have never been
terribly
popular with homebuilders for some reason.

Partially because the engine and transmission share a case, so it makes them
heavy. That said, some are being used.
--
Jim in NC