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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 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 ...
R2800 may refer to the following engines: Pratt & Whitney R-2800 Double Wasp, a vintage American 18-cylinder, air-cooled radial aircraft engine; Rotec R2800, a contemporary Australian seven-cylinder, air-cooled radial aircraft engine
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 ...
This was the last piston-engine airliner flight of all the mainstream USA carriers. Martin 4-0-4s were also flown by Pacific Air Lines (which subsequently merged with Bonanza Air Lines and West Coast Airlines to form Air West, which was then renamed Hughes Airwest ), Piedmont Airlines (which operated former TWA 4-0-4 airliners), Ozark Air Lines ...
Convair's original design, the unpressurised Model 110, was a twin-engine, low-wing monoplane of all-metal construction, with 30 seats. It was powered by Pratt & Whitney R-2800 Double Wasp radial engines. It had a tricycle landing gear, and a ventral airstair for passenger boarding. [5]
The two Pratt & Whitney R-2800-25S Double Wasp engines were each mounted approximately one-sixth out on the wing's span. Two-stage, two-speed mechanical superchargers were fitted. In an effort to save space and weight, no turbo-superchargers were fitted, despite the expected 50 mph (80 km/h) speed and 10,000 ft (3,000 m) ceiling gains they ...
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.
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