Fiat A.54

The Fiat A.54 was a seven-cylinder, air-cooled radial engine developed in Italy in the 1930s as a powerplant for aircraft. Amongst others, it powered the Ambrosini SAI.1 and SAI.2 racing aircraft.

Type Piston engine
Manufacturer Fiat



Data from

General characteristics

  • Type: 7-cylinder air-cooled radial
  • Bore: 105 mm (4.13 in)
  • Stroke: 120 mm (4.72 in)
  • Displacement: 7.27 L (443.9 cu in)
  • Length: 1,770 mm (69.69 in)
  • Width: 734 mm (28.93 in)
  • Height: 1,065 mm (41.93 in)
  • Dry weight: 150 kg (330.7 lb)


  • Valvetrain: One intake and one sodium-cooled exhaust valve per cylinder
  • Fuel system: 1 Stromberg carburettor
  • Fuel type: 74 octane
  • Cooling system: Air-cooled


See also

Related lists


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