Larry Scarenzi (?) did a full fuselage one for 09, in MAN, I think. I have plans for one in Aeromodeller for a 21 size engine. Very close to scale, and OTS legal.
Clint: Recipe for a Stunt Coupe:Start with an Oriental wing w/ wing gear and re-shaped the flaps. Add a Tempest fuselage with Ercoupe style canopy. Borrow a horizontal stab, elavator and tip vertical fins from an Olympic. Round off the vertical fins to an Ercoupe shape. Power with engine of your choice and go fly!