Fiat A.55
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
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
- Compression ratio: 5.5:1
References
Wikimedia Commons has media related to Fiat A.55.
- Jotti, da Badia Polesine (1934). Annuario dell'aeronautica Italiana 1934. Milan: Libreria Aeronautica.
- Angle, G.D., 1940. Aerosphere: Including World's Aircraft Engines with Aircraft Directory. New York: Aircraft Publishers
- Grey, C.G., ed. (1931). Jane's All the World's Aircraft 1931. London: Sampson Low, Marston & company, ltd. p. 59d.
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