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The Stearman (Boeing) Model 75 is an American biplane formerly used as a military trainer aircraft, of which at least 10,626 were built in the United States during the 1930s and 1940s. [2] Stearman Aircraft became a subsidiary of Boeing in 1934.
In July 1935, Stearman demonstrated the Model X75, a refined Model 73, and subsequently received an order for 26 aircraft from the Army Air Corps, designated the PT-13A, and 20 for the Navy. In August 1936, the Army ordered another 50 PT-13As, followed by an additional 30 in October, and 28 in December.
The Continental R-670 (factory designation W670) was a seven-cylinder four-stroke radial aircraft engine produced by Continental displacing 668 cubic inches (11 litres) and a dry weight of 465 lb (211 kg). Horsepower varied from 210 to 240 at 2,200 rpm.
Jacobs R-755 installed in a Boeing-Stearman Model 75: Type ... (company designation L-4) is a seven-cylinder, air-cooled, radial engine for aircraft manufactured ...
Pages in category "Stearman aircraft" The following 13 pages are in this category, out of 13 total. ... Boeing-Stearman Model 75; Stearman XBT-17; C. Stearman C1 ...
United States aircraft of the 1930s; Military: Anti-submarine aircraft • Attack • Bomber • Electronic warfare • Experimental • Fighter • Patrol • Reconnaissance • Trainer • Transport • Utility