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Pratt and Whitney R 2180 A Twin Hornet

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Pratt & Whitney R-2180-A Twin Hornet

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

  • Douglas DC-4E
  • North American XB-21
  • Republic P-44 Rocket
  • Stearman XA-21

    • Specifications (R-2180-A)

    Data from The Engines of Pratt & Whitney: A Technical History

    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

    • References

    Pratt & Whitney R-2180-A Twin Hornet Wikipedia
    (Text) CC BY-SA


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