Pratt & Whitney R-1340
| Pratt & Whitney R-1340 Wasp | |
|---|---|
 Pratt & Whitney R-1340 |
|
| Type: | Radial engine |
| Design country: | |
| Manufacturer: | |
| First flight: |
1926 |
| Production time: |
1926 to 1960 |
| Number of pieces: |
34,966 |
The Pratt & Whitney R-1340 (also called P & W " Wasp ") was the first aircraft engine from the US manufacturer Pratt & Whitney . The engine from the P & W "Wasp" engine family was a great commercial success and was used in numerous aircraft and helicopters .
The air-cooled nine-cylinder - radial engine has a displacement of 1,340 cubic inches (about 22 liters). After the initially 430 hp R-1340 had successfully completed its first test bench runs at the end of December 1925, 34,966 engines were manufactured by 1960.
Versions
- R-1340-16: 557 hp
- R-1340-27: 507 hp
- R-1340-51: 608 hp
- R-1340-57: 608 hp
Use (selection)
- Boeing Model 266
- Curtiss O-52
- Fairchild 71
- Ford Trimotor
- Lockheed Vega
- Noorduyn Norseman
- North American T-6
- Sikorsky S-38
- Piasecki HRP
- Granville Gee Bee R-1
Technical data (R-1340-16)
- Bore : 5.75 inch (146 mm)
- Stroke : 5.75 inch (146 mm)
- Displacement : 1340 cubic inches (22 liters)
- Power : 557 PS (410 kW)
- Compression : 6.2: 1
- Length: 1222 mm
- Diameter: 1281 mm
- Weight : 476 kg
Web links
Commons : Pratt & Whitney R-1340 - Collection of Pictures, Videos and Audio Files
