The Pratt & Whitney R-2180-E Twin Wasp E was a radial aircraft engine developed in the United States by Pratt & Whitney. It had two rows of seven cylinders each. Its only production application was on the post-World War II Saab 90 Scandia airliner.

Design and development

The R-2180-E Twin Wasp E was a post-World War II development of Pratt & Whitney's large radial engine family. It was effectively a fourteen-cylinder simplification of the twenty-eight-cylinder R-4360 Wasp Major engine; its cylinders are the same size and displacement as those of the Wasp Major."World Encyclopedia of Aero Engines - 5th edition" by Bill Gunston, Sutton Publishing, 2006, P.164 The engine first ran on 25 September 1945 and was first shipped on 31 January 1949.

The R-2180-E Twin Wasp E was available in a "power-egg" installation certificated in 1945 for use as an engine upgrade for the Douglas DC-4."World Encyclopedia of Aero Engines - 5th edition" by Bill Gunston, Sutton Publishing, 2006, P.164 Pratt & Whitney built 75 R-2180 Series E engines before production ended in 1951.

Applications Piasecki XH/YH-16 Transporter Saab 90 Scandia

Specifications (R-2180-E1)

See also

References Citations

Bibliography

External links Aerofiles Reciprocating Engines page