Scott wrote:

Mustang II ? It doesn't quite make the useful load, but it has the
folding wing option, and is a fast cruiser.

http://www.mustangaero.com

Mike


Oops, now I notice you're looking for 4 seats also, so maybe this won't
work.

Or build it like the F-82 twin mustang
http://en.wikipedia.org/wiki/F-82_Twin_Mustang



That would require a WIDE trailer!