Dormoy Bathtub
Dormoy Bathtub | |
---|---|
Role | Racing aircraft |
National origin | United States of America |
Designer | Etienne Dormoy[1]
|
First flight | 1924 |
The Dormoy Bathtub was a simple-to-construct,
Design and development
The Bathtub was developed by Etienne Dormoy, a French engineer at McCook Field in Dayton, Ohio as a simple low-cost and ultra-light aircraft. Dormoy would later design the Buhl Bull Pup.[3]
The aircraft used a steel tube
Operational history
The Dormoy Bathtub competed in the 1924 and 1925 National Air Races, winning the Rickenbacker Trophy in 1924. The 1925 model featured a fully covered tail section, removing its "bathtub" appearance.[4]
An example of a 1924 Dormoy Bathtub fuselage with a Heath-Henderson engine is on display at the Motorcycle Heritage Museum in Westerville, Ohio.[5] A large scale model of a 1924 Dormoy Bathtub is on display at the International Sport Aviation Museum in Florida.[6]
Variants
A homebuilt design was produced by Mike Kimbrel, the Kimbrel Dormoy Bathtub Mk 1, using a 40 hp (30 kW) Volkswagen air-cooled engine.[7]
Specifications (Dormoy Bathtub)
Data from EAA
General characteristics
- Length: 13 ft 5 in (4.09 m)
- Wingspan: 24 ft (7.3 m)
- Wing area: 85 sq ft (7.9 m2)
- Gross weight: 425 lb (193 kg)
- Fuel capacity: 2 US gallons (7.6 litres)
- Powerplant: 1 × Heath-Henderson B-4 , 20 hp (15 kW)
Performance
- Cruise speed: 61 kn (70 mph, 110 km/h)
See also
Aircraft of comparable role, configuration, and era
References
- ^ "ETIENNE DORMOY, 1885–1959". earlyaviators.com. 1998. Retrieved April 7, 2011.
- ^ Popular Science. January 1925.
{{cite journal}}
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(help) - ^ a b McRae, Jack (February 1957). "The Dormoy Bath Tub". Experimenter.
- ^ Sylvester H. Schmid; Truman C. Weaver; EAA Aviation Foundation. The Golden Age of Air Racing: 1927–1933.
- ^ American Motorcyclist. May 1996.
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(help) - ^ Skyways. July 1999.
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(help) - ^ Popular Mechanics. January 1981.
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