.. A Chevy 4.3 would be great, but I would have
to make an airframe that weighed about 57 pounds. g Not likely.


I don't know...when I finished welding my MoHawk fuselage (Kitfox clone) I
weighed it, and it weighed (oddly enough) 57#.

You just can't add wings...or fabric...or landing gear... or paint, ...or...