source Ringmaster Bipe
source url A compact Ringmaster Biplane for .25 to .40 engines. The airplane has a 31 ½” wingspan and 400 square inches of wing area. If you haven’t noticed I have a thing for biplanes and triplanes. A laser cut kit with CAD plans with all parts shown full size. The gentleman with the airplane is the builder, Bill “Poppa Bear” Strawn.
Engine: ..25 – .40