|McDonnell Doodlebug at Langley|
|National origin||United States of America|
|Manufacturer||J.S. McDonnell Jr & Associates|
|Designer||James Smith McDonnell, James Cowling, and Constantine Zakhartchenko|
|First flight||15 November 1929|
Design and development
The Doodlebug was built in response to a 1927 safety contest sponsored by the Daniel Guggenhiem Fund for the Promotion of Aeronautics with a prize of $100,000. The aircraft was built at the Hamilton Aero Manufacturing factory in Milwaukee, Wisconsin.
The Doodlebug was produced too late to compete, but was granted an exemption. The aircraft's tail folded upward in initial demonstrations at Mitchel Field in New York, and allowed more extensions to repair damages. After a forced landing due to engine failure, the Doodlebug missed the opportunity to be judged in the competition. The winner of the competition was a Curtiss Tanager. The forced landing caused McDonnell a back injury, but the aircraft was demonstrated throughout the start of the Great Depression. In 1931 the Doodlebug was sold to NACA as a demonstrator for leading edge slats.
Specifications (McDonnell Doodlebug)
- Capacity: 2
- Length: 21 ft 4 in (6.50 m)
- Wingspan: 35 ft (11 m)
- Wing area: 196.5 sq ft (18.26 m2)
- Empty weight: 1,250 lb (567 kg)
- Gross weight: 1,800 lb (816 kg)
- Powerplant: 1 × Warner Scarab radial engine, 110 hp (82 kW)
- Maximum speed: 96 kn; 177 km/h (110 mph)
- René J. Francillon. McDonnell Douglas aircraft since 1920.
- Julian Bond (1940-), Missouri Historical Society. Gateway heritage: quarterly journal of the Missouri Historical Society-St. Louis, Missouri, Volumes 24-25.
- Muriel Siebert, Aimee Lee Ball. Changing the rules: adventures of a Wall Street maverick.
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