Fiat A.12 Explained

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.

Variants

A.12:

A.12bis:

Applications

• 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.

References

• Gunston, Bill. (1986). World Encyclopaedia of Aero Engines. Patrick Stephens: Wellingborough. p. 62
• Book: Hirschauer . Louis . Dollfus . Charles . L'Année Aéronautique: 1920-1921 . 1921 . Dunod . Paris . 123 .

Notes and References

1. https://www.neam.org/shell.php?page=engine_collection_detail&name=fiata12 New England Air Museum - Fiat A.12