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D-12/Felix
Curtiss D-12 2.jpg
Preserved D-12 engine

The Curtiss D-12 was an aero engine of 18.8 litres capacity. It was a water-cooled V12, producing 443 hp (330 kW) and weighing 693 lb (314 kg). It was designed by Arthur Nutt in 1921 and used in the Curtiss CR-3 for the 1923 Schneider Trophy race. Fairey Aviation of England imported 50 Curtiss built examples in 1926, renaming them the Fairey Felix.[1][2]

The D-12 was one of the first truly successful aluminum cast-block engines, and was extremely influential in the inter-war period. Numerous subsequent engines trace their design to the D-12, among them the Packard 1A-1500, Rolls-Royce Kestrel and Junkers Jumo 210.

ApplicationsEdit

D-12Edit

FelixEdit

Specifications (Curtiss D-12/Felix)Edit

Data from Lumsden[3]

General characteristics

  • Type: 12-cylinder liquid-cooled 60-degree V
  • Bore: 4.5 in (114.3 mm)
  • Stroke: 6.0 in (152.4 mm)
  • Displacement: 1,145 cu in (18.8 liters)
  • Length: 56.75 in (1441 mm)
  • Width: 28.25 in (717.5 mm)
  • Height: 34.75 in (882.6 mm)
  • Dry weight: 693 lb (314 kg)

Components

  • Cooling system: Liquid-cooled

Performance

  • Power output: 443 hp (330 kW) at 2,200 rpm
  • Compression ratio: 6:1

See alsoEdit

ReferencesEdit

  1. Lumsden 2003, p.148.
  2. "Error: no |title= specified when using {{Cite web}}". July 1999. 
  3. Lumsden 2003, p.149.

BibliographyEdit

  • Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. ISBN 1-85310-294-6.
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External linksEdit

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