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.
| 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 lb (850 kg)
Components
- Fuel system: Stromberg AR-48C1
- Fuel type: 100/130 octane
- Cooling system: Air-cooled
Performance
- Power output: 1,500 hp take-off; 1,400 hp continuous
- Compression ratio: 7:1
See also
Related development
- Pratt & Whitney R-2180-A Twin Hornet
- Pratt & Whitney R-1830 Twin Wasp
- Pratt & Whitney R-2000 Twin Wasp
- Pratt & Whitney R-2800 Double Wasp
- Pratt & Whitney R-4360 Wasp Major
Related lists
References
- "World Encyclopedia of Aero Engines - 5th edition" by Bill Gunston, Sutton Publishing, 2006, P.164
- "World Encyclopedia of Aero Engines - 5th edition" by Bill Gunston, Sutton Publishing, 2006, P.164
- 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.
External links
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