Fiat A.80

The Fiat A.80 was an 18-cylinder, twin-row, air-cooled, radial aircraft engine produced during World War II. Rated at 1,000 hp (745 kW), it was a more powerful development of the 14-cylinder Fiat A.74.

Type Radial engine
Manufacturer Fiat


Fiat A.80 R.C.20
With reduction gear and supercharger, rated altitude 2,000 m (6,600 ft).
Fiat A.80 R.C.40
With reduction gear and supercharger, rated altitude 4,000 m (13,000 ft).
Fiat A.80 R.C.41
With reduction gear and supercharger, rated altitude 4,100 m (13,500 ft).


Specifications (A.80 R.C.41)

Data from

General characteristics

  • Type: 18-cylinder air-cooled radial
  • Bore: 140 mm (5.51 in)
  • Stroke: 165 mm (6.50 in)
  • Displacement: 45.72 L (2789.9 cu in)
  • Length: 1,155 mm (45.47 in)
  • Width: 653 mm (25.71 in)
  • Height: 1,335 mm (52.56 in)
  • Dry weight: 725 kg (1598.4 lb)


  • Valvetrain: One intake and one sodium-cooled exhaust valve per cylinder
  • Supercharger: Single Speed, Single Stage. 4,100 m rated altitude
  • Fuel system: 1 Fiat carburettor
  • Fuel type: 87 octane
  • Cooling system: air-cooled


See also

Related lists


  • Gunston, Bill. (1986). World Encyclopaedia of Aero Engines. Patrick Stephens: Wellingborough. p. 56
  • Ragazzi, Paolo (1938). The Power of Aircraft Engines at Altitude. p. 3
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