Fiat A.80

A.80

Type	Radial engine
Manufacturer	Fiat

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 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.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: 1,000 hp at 2,100 rpm at 4,100 m (13,500 ft)
1,100 hp at 2,100rpm at Sea Level
Compression ratio: 6.7:1
Power-to-weight ratio: 0.6 hp/lb at cruise speed

References

Wikimedia Commons has media related to Fiat A.80.

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

Fiat aircraft engines

Piston engines	A.10 A.12 A.14 A.15 A.18 A.20 A.22 A.24 A.25 A.30 A.50 A.53 A.54 A.55 A.58 A.59 A.60 A.70 A.74 A.76 A.78 A.80 A.82 AN.1 AS.2 AS.3 AS.5 AS.6 AS.8 SA8/75 S.55

Turbine engines	4002 4004 4301 4700

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