Pratt & Whitney R-2180-A Twin Hornet
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| R-2180-A Twin Hornet | |
|---|---|
 |
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| A Douglas DC-4E powered by four P&W R-2180 Twin Hornet engines | |
| Type | Radial engine |
| National origin | United States |
| Manufacturer | Pratt & Whitney |
| Major applications | Douglas DC-4E |
| Number built | 30 |
| Developed from | Pratt & Whitney R-1690 |
| Developed into | Pratt & Whitney R-2800 Pratt & Whitney R-4360 |
The Pratt & Whitney R-2180-A Twin Hornet was a radial engine developed in the United States by Pratt & Whitney. It had two rows of seven cylinders each.
Contents
Applications
Specifications (R-2180-A)
Data from The Engines of Pratt & Whitney: A Technical History[1]
General characteristics
- Type: 14-cylinder 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: 1,565 lb-1,647 lb
Components
- Cooling system: Air-cooled
Performance
- Power output: 1,200-1,500 hp
See also
- Related development
- Pratt & Whitney R-1690 Hornet
- Pratt & Whitney R-2800
- Pratt & Whitney R-4360
- Pratt & Whitney R-2180-E Twin Wasp E
- Related lists
References
- ↑ Connors, p.98
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