User:Geoleoguy/Wittman Buttercup

The Wittman Buttercup is a two place aircraft designed and built by Steve Wittman in 1938. Designated as the Buttercup Model W, the original aircraft is housed in the EAA AirVenture Museum in Oshkosh, WI.

EAA member and home built aircraft enthusiast Earl Luce developed a replica Buttercup design which first flew April 14, 2002. His representation of the Buttercup design is available as a plans set for other home builders.