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Fiat A.12

From Wikipedia, the free encyclopedia
(Redirected from Fiat A.12bis)
A.12
Preserved Fiat A.12 engine
TypePiston engine
ManufacturerFiat
Number built13,260
Developed fromFiat A.10

The Fiat A.12 was a six-cylinder liquid-cooled in-line engine with a bore of 160 mm and a stroke of 180 mm, giving a capacity of just under 22 litres, with variants producing between 245 and 300 hp (183 and 224 kW) at 1,700 rpm. The A.12 was a rather large aero engine at the time, but it was efficient and reliable. A total of 13,260 A.12s were produced between 1916 and 1919.

Variants

[edit]
A.12
A.12bis

Applications

[edit]
Airco DH.9

Engines on display

[edit]

Specifications (A.12)

[edit]
Fiat A.12 ("A-12") in-line six cylinder aircraft engine on display at the National Museum of the Air Force (NMAF) at Wright-Patterson near Dayton, OH in July, 2025

Data from [citation needed]

General characteristics

  • Type: 6-cylinder liquid-cooled inline engine.
  • Bore: 160 mm (6.30 in)
  • Stroke: 180 mm (7.09 in)
  • Displacement: 21.71 L (1,325.1 cu in)
  • Length: 1,780 mm (70 in)
  • Width: 560 mm (22 in)
  • Height: 1,130 mm (44.5 in)
  • Dry weight: 415 kg (915 lb)

Components

  • Fuel system: Carburetor
  • Fuel type: octane
  • Cooling system: Liquid

Performance

  • Power output: 245 hp at 1,700 rpm

See also

[edit]

Comparable engines

Related lists

References

[edit]
  1. New England Air Museum - Fiat A.12 Archived 2021-02-27 at the Wayback Machine Retrieved: 26 January 2021
  • Gunston, Bill. (1986). World Encyclopaedia of Aero Engines. Patrick Stephens: Wellingborough. p. 62
  • Hirschauer, Louis; Dollfus, Charles, eds. (1921). L'Année Aéronautique: 1920-1921. Paris: Dunod. p. 123.