Etienne Dormoy
| Etienne Dormoy | |
|---|---|
 |
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| Born |
10 February 1885 Vandoncourt,  France
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| Died | 28 February 1959 (aged 74) San Diego,  United States
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| Alma mater | École Centrale de Lille |
| Occupation | Aeronautical engineer |
| Known for | Pioneering contributions to civil and military aviation design |
Étienne Dormoy (Vandoncourt, France, 10 February 1885 – San Diego, USA, 28 February 1959) was an aeronautical engineer and a designer of aircraft.
Etienne Dormoy graduated in 1906 as an electrical engineer from Institut industriel du Nord (École Centrale de Lille, France). He worked as an aircraft designer for Deperdussin (Deperdussin Monocoque (SPAD)) in France.
He met Harold D. Kantner in France in 1913. He was then seconded to Maximilian Schmitt Aeroplane & Motor Works (Paterson, NJ), wherein he designed the first monocoque fuselage aircraft produced in USA. With this monoplane, Harold D. Kantner won the NY Times race on 4 April 1914. The aircraft was re-engineered as a biplane with a 100 hp engine and tested for military applications at San Diego, CA.
Dormoy returned to France at the beginning of World War I, working for SPAD. In 1917, he joined the French industry delegation in the United States for SPAD technology transfer to Curtiss Aeroplane and Motor Company at Elmwood (Buffalo, NY).
After the war, Dormoy worked for the Engineering Division of the United States Army Air Service at McCook Field (Dayton, OH) from 1919 to 1925. There, he tested aerial applications, including a United States Army Air Service Curtiss JN-4 modified for aerial crop dusting in 1921 . At McCook Field, he designed the ultra-light Dormoy Bathtub in 1924, after two prototypes built in 1919 and 1920. Dormoy earned the 'Dayton Daily News Light Airplane Race and Rickenbacker Trophy' in 1924.
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