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.

Specifications

Data from Jane's All the World's Aircraft 1931.

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

320 hp (239 kW) at 2,000 rpm - maximum

↑ 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.

v t e 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