Pratt & Whitney R-1340 Wasp

The Pratt & Whitney R -1340 (also known as P & W " Wasp " ) was the first aircraft engine of the U.S. manufacturer Pratt & Whitney.

The Wasp was an air-cooled 9- cylinder radial engine with a displacement of 1340 cubic inches (about 22 liters ). The first test runs of the first 430 hp engine found payable, 1925, the first flight took place in 1926. The engine was a big commercial success and has been used in numerous aircraft types. Until 1960 34.966 engines of this type were manufactured.

Versions

  • R -1340 -16: 557 hp
  • R -1340 -27: 507 hp
  • R -1340 -51: Field 608 hp
  • R 1340-57: 608 hp

Use (selection)

Technical data (R -1340 -16)

  • Bore 146 mm
  • Stroke 146 mm
  • Capacity: 22 l
  • Power: 557 hp
  • Compression ratio: 6.2:1
  • Length: 1222 mm
  • Diameter: 1281 mm
  • Weight: 476 kg
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