RE: Roundtuit
Richard,
Got the pipe yesterday. Thank you! I mailed a check yesterday as well. What I plan to do is use a 24" disc made of coroplast, and the first 3" of the leading edge will be recessed at an angle/curve into the pipe. I'll cut a small access panel into the bottom for radio and tank access. I'll find a piece of ply for the firewall and glue/screw it to the front of the pipe. I also plan on dual, functioning rudders to allow spins.
Best guess for balance will be 28 percent of the chord. I have an unemployed GP .42 for an engine.