The Pratt & Whitney R-2000 Twin Wasp is an American radial engine developed in 1942 to power military aircraft. It is one of the Pratt & Whitney Wasp series of radial engines.
Design and development 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 , while it still retained the stroke. This brought displacement up to . There were a number of detail changes from the R-1830, such as front-mounted instead of rear-mounted magnetos (as with the larger, and earlier Double Wasp), plain bearings for the crankshaft rather than roller bearings, and 87 octane fuel (specified because there were fears wartime supplies of 100 octane might fall short, but those fears were groundless).
The R-2000 produced at 2,700 rpm with 87 octane fuel, with 100 octane fuel and at 2,800 rpm with 100/130-grade fuel.White (1995), p. 221.
Applications Aviation Traders Carvair Douglas C-54 Skymaster Douglas DC-4 Douglas Hyper DC-3 de Havilland Canada DHC-4 Caribou Vought XF5U
Specifications (R-2000 2SD1-G)
See also
References
Notes
Bibliography Gunston, Bill. World Encyclopedia of Aero Engines: From the Pioneers to the Present Day. 5th edition, Stroud, UK: Sutton, 2006. White, Graham. Allied Aircraft Piston Engines of World War II: History and Development of Frontline Aircraft Piston Engines Produced by Great Britain and the United States During World War II. Warrendale, Pennsylvania: SAE International, 1995. Wilkinson, Paul H. Aircraft Engines of the World 1945. 3rd edition, New York: Paul H. Wilkinson, 1945.
External links Pratt & Whitney Twin Wasp D (R-2000)