Fiat A.12

A.12
Preserved Fiat A.12 engine
Type	Piston engine
Manufacturer	Fiat
Number built	13,260
Developed from	Fiat 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 liters, with variants producing between 245 and 300 horsepower 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[]

A.12

A.12bis

Applications[]

Airco DH.9

Engines on display[]

• There is a Fiat A.12 on display at the New England Air Museum, Bradley International Airport, Windsor Locks, CT.^[1]
• The National Military Museum, Romania shows the A.12 with serial number 7395.

Specifications (A.12)[]

Side view of the Fiat A.12 shown at the Research & Development Gallery, National Museum of the USAF.

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[]

Comparable engines

• Isotta Fraschini V.6
• Siddeley Puma

Related lists

• List of aircraft engines

References[]

Wikimedia Commons has media related to Fiat A.12.

• 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.