The Fiat A.55 was a seven-cylinder, air-cooled radial engine developed in Italy in the 1930s as a powerplant for aircraft.[1][2]

A.55
Fiat A.55
Type Piston engine
National origin Italy
Manufacturer Fiat
First run 1932

Specifications

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Data from Jane's All the World's Aircraft 1931.[3]

General characteristics

  • Type: 7-cylinder air-cooled radial
  • Bore: 140 mm (5.51 in)
  • Stroke: 160 mm (6.30 in)
  • Length: 1,139 mm (44.84 in)
  • Diameter: 1,290 mm (50.79 in)
  • Dry weight: 290 kg (639 lb) dry

Components

  • Valvetrain: 4x overhead valves per cylinder operated by seven individual camshafts, driven through radial shafts and bevel gearboxes
  • Supercharger: centrifugal single-stage
  • Fuel system: oil heated carburetor
  • Oil system: dry sump with two pumps
  • Cooling system: Air-cooled

Performance

  • Power output: 300 hp (224 kW) at 1,900 rpm - normal
320 hp (239 kW) at 2,000 rpm - maximum

See also

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Related lists

References

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  1. ^ Jotti, da Badia Polesine (1934). Annuario dell'aeronautica Italiana 1934. Milan: Libreria Aeronautica.
  2. ^ Angle, G.D., 1940. Aerosphere: Including World's Aircraft Engines with Aircraft Directory. New York: Aircraft Publishers
  3. ^ Grey, C.G., ed. (1931). Jane's All the World's Aircraft 1931. London: Sampson Low, Marston & company, ltd. p. 59d.