RE: Briggs and Stratton 34cc Fource?
I have a vid of my Honda GX31 in a 91" Volksplane, prop was a 20 X 8 Menz but it appears to prefer heavy nylon props so I expect to get more pull from it once I get some other props to try.
[link=http://www.youtube.com/watch?v=3xsT4tnPZ0k]Youtube Vid[/link]