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Fiat A.80

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(Redirected from Fiat A.80 RC 41) 1940s Italian piston aircraft engine
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A.80
Type Radial engine
National origin Italy
Manufacturer Fiat
Major applications
Developed from Fiat A.74
Developed into Fiat A.82

The Fiat A.80 was an 18-cylinder, twin-row, air-cooled, radial aircraft engine produced during World War II. Rated at 750 kW (1,000 hp), it was a more powerful development of the 14-cylinder Fiat A.74.

Variants

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).

Applications

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)

Components

  • 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

Performance

  • Power output: 750 kW (1,000 hp) at 2,100 rpm at 4,100 m (13,500 ft)
    820 kW (1,100 hp) at 2,100rpm at Sea Level
  • Compression ratio: 6.7:1
  • Power-to-weight ratio: 1.0 kW/kg (0.6 hp/lb) at cruise speed

See also

Related development

Related lists

References

  • 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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