The Rider-Elmendorf R-5 Jackrabbit is an aircraft designed and built to compete in the National Air Races.
Keith Rider developed the R-4 Firecracker and R-5 at the same time to compete in the 1936 racing season.
[1] The R-5 is a low winged monoplane with retractable conventional landing gear.
The brakeless retractable main gear used a simple manual jackscrew.
The R-5 was purchased by James C. Garvin in 1966 later by Morton Lester for display at the EAA Aviation Museum in Oshkosh, Wisconsin.