get link Ringmaster Delux Bipe
go to link A Ringmaster Biplane for .25 to .40 engines. This one has a built-up fuselage and a high aspect ratio for those who do not like short winged biplanes. The airplane has a 41 5/8” wingspan and 413 square inches of wing area. A laser cut kit with CAD plans with all parts shown full size.
Engine: .25 -.40