Pratt & Whitney R-2180-E Twin Wasp E

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.

Not to be confused with Pratt & Whitney R-2180-A Twin Hornet.
R-2180-E Twin Wasp E
A Saab Scandia powered by two P&W R-2180 Twin Wasp E engines
Type Radial engine
National origin United States
Manufacturer Pratt & Whitney
First run 1945
Major applications Saab 90 Scandia
Developed from Pratt & Whitney R-2800
Pratt & Whitney R-4360

Design and development

The R-2180-E is 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.[1]

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.[2]

Applications

Specifications (R-2180-E1)

Data from

General characteristics

  • Type: 14-cylinder, supercharged, air-cooled, twin-row radial engine
  • Bore: 5.75 in. (146 mm)
  • Stroke: 6.00 in. (152 mm)
  • Displacement: 2,181 in³ (35.7 L)
  • Length: 76.20 in (1.94 m)
  • Diameter: 54 in (1.37 m)
  • Dry weight: 1,870 dry (850 kg)

Components

  • Fuel system: Stromberg AR-48C1
  • Fuel type: 100/130 octane
  • Cooling system: Air-cooled

Performance

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See also

Related development

Related lists

References
  1. "World Encyclopedia of Aero Engines - 5th edition" by Bill Gunston, Sutton Publishing, 2006, P.164
  2. "World Encyclopedia of Aero Engines - 5th edition" by Bill Gunston, Sutton Publishing, 2006, P.164
  3. Harding, Stephen (1997). U.S. Army Aircraft Since 1947. Atglen, PA, USA: Schiffer Publishing Ltd. pp. 202. ISBN 076430190X. LCCN 96-69996.
  • Gunston, Bill (2006). World Encyclopedia of Aero Engines, 5th Edition. Phoenix Mill, Gloucestershire, England, UK: Sutton Publishing Limited. ISBN 0-7509-4479-X.
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