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Fiat A.12

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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 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 and its dimensions were more typical of a marine engine, but it was efficient and reliable. No doubt Fiat's experience with large racing engines contributed to its success. A total of 13,260 A.12s were produced between 1916 and 1919.

Contents

Variants

A.12
A.12bis

Applications

 Finland
  • IVL A.22 Hansa
  •  France
  • Breguet 14
  •  Italy
  • Ansaldo A.300
  • Caproni Ca.4
  • Caproni Ca.5
  • Caproni Ca.46
  • Fiat R.2
  • Macchi M.9
  • Macchi M.15
  • Pomilio PC
  • Pomilio PD
  • Pomilio PE
  • SAML S.1
  • SAML S.2
  • Savoia-Marchetti S.55
  • Savoia-Pomilio SP.2
  • Savoia-Pomilio SP.3
  • SIA 7B.1
  • SIAI 9
  • SIAI S.16 and S.16bis (A.12bis)
  •  United Kingdom
  • Airco DH.4
  • Airco DH.9
  • Vickers Vimy (only one prototype)
  • North Sea Class non-rigid airship
  • Engines on display

  • There is a Fiat A.12 on display at the New England Air Museum, Bradley International Airport, Windsor Locks, CT.
  • Specifications (A.12)

    Data from

    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
  • References

    Fiat A.12 Wikipedia