Fiat A.70

The Fiat A.70 was an air cooled radial engine with seven cylinders developed by the Italian engineering company Fiat Aviazione in the 1930s. The engine powered a number of Italian light competition and prototype aircraft.

Design and development
The A.70 was developed by Fiat Aviazione, part of Fiat S.p.A., as one of a number of related small radial engines. It debuted at the Challenge International de Tourisme 1934, powering a number of the competitors. The engine had seven cylinders of square design, with a bore and stroke of 115 mm, arranged around a crankshaft in a single row. It was connected to the propeller by direct drive, often through a NACA cowling.

Applications

 * Breda Ba.42
 * Caproni PS.1
 * Fiat G.5
 * Nardi FN.305
 * Nardi FN.310