The prototype was constructed by Ray Parker and Bill Bowmar and completed in 1947[1][2][3][4] Culver designed the Rigid Midget as a development of the Screaming Wiener in 1941, but due to the Second World War no prototype was constructed until 1947.
[1][2][3] The first Midget was built by Parker and Bowmar and is registered with the Federal Aviation Administration as a Bellow Flex CC 4-36.
Bowmar completely restored and rebuilt the aircraft in about 1971 and donated it to the National Soaring Museum.
[1][2][3] A second Midget was constructed from plans by George Groff of Canoga Park, California.
[3] The first Midget was completed in time for Parker to fly the aircraft in the 1947 US Nationals, held at Wichita Falls, Texas, in which he finished third.