Fiat A.12

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 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.

A.12
Preserved Fiat A.12 engine
Type	Piston engine
Manufacturer	Fiat
Number built	13,260
Developed from	Fiat A.10

Variants

A.12

A.12bis

Applications

 

Airco DH.9

• Airco DH.4
• Airco DH.9
• Ansaldo A.300
• Breguet 14
• Caproni Ca.4
• Caproni Ca.5
• Caproni Ca.46
• Fiat 2000 (tank)
• Fiat Mephistopheles (racing car)
• Fiat R.2
• Fukunaga Tenryu 10
• IVL A.22 Hansa
• Macchi M.9
• Macchi M.15
• NS class airships
• Pomilio PC/PD/PE
• SAML S.1/S.2
• Savoia-Marchetti S.55
• Savoia-Pomilio SP.2
• Savoia-Pomilio SP.3
• SIA 7
• SIA 9
• SIAI S.16
• Vickers Vimy (third prototype)

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.

1. New England Air Museum - Fiat A.12 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.