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The Pratt & Whitney Wasp was the civilian name of a family of air-cooled radial piston engines developed in the 1920s, 1930s and 1940s. [1] The Pratt & Whitney Aircraft Company (P&W) was founded in 1925 by Frederick B. Rentschler, who had previously been the President of Wright Aeronautical. He brought with him some of Wright's best designers ...
The Pratt & Whitney R-4360 Wasp Major is an American 28-cylinder four-row radial piston aircraft engine designed and built during World War II.At 4,362.5 cu in (71.5 L), it is the largest-displacement aviation piston engine to be mass-produced in the United States, and at 4,300 hp (3,200 kW) the most powerful.
Pratt & Whitney R-1535 Twin Wasp Junior; Pratt & Whitney R-1690 Hornet; Pratt & Whitney R-1830 Twin Wasp; Pratt & Whitney R-1860 Hornet B; Pratt & Whitney R-2000 Twin Wasp; Pratt & Whitney R-2060 Yellow Jacket; Pratt & Whitney R-2180-A Twin Hornet; Pratt & Whitney R-2180-E Twin Wasp E; Pratt & Whitney R-2270; Pratt & Whitney R-2800 Double Wasp
The Pratt & Whitney R-2800 Double Wasp is an American twin-row, 18-cylinder, air-cooled radial aircraft engine with a displacement of 2,800 cu in (46 L), and is part of the long-lived Wasp family of engines. The R-2800 saw widespread use in many important American aircraft during and after World War II.
Pratt & Whitney developed the R-985 Wasp Junior as a smaller version of the R-1340 Wasp to compete in the market for medium-sized aircraft engines. Like its larger brother, the Wasp Junior was an air-cooled, nine-cylinder radial, with its power boosted by a gear-driven single-speed centrifugal type supercharger.
The R-2000 was an enlarged version of the Pratt & Whitney R-1830 Twin Wasp, with focus on reducing the manufacturing costs and fuel requirements.The bore was increased to 5.75 in (146 mm), while it still retained the 5.5 in (140 mm) stroke.
With Pratt & Whitney starting development of their own 2,800 in 3 (46 L) displacement 18-cylinder, twin-row radial as the R-2800 Double Wasp in 1937, Wright's first R-3350 prototype engines with a 3,350 in 3 (54.9 L) displacement were run in May of the same year. Development was slow, due to the complexity, and the R-2600 receiving development ...
Pratt & Whitney R-985 Wasp Junior The Pratt & Whitney R-1340 Wasp is an aircraft engine of the reciprocating type that was widely used in American aircraft from the 1920s onward. It was the Pratt & Whitney aircraft company's first engine, and the first of the famed Wasp series .