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.

Fiat A.70
Type Air cooled 7-cylinder radial aircraft engine
National origin Italy
Manufacturer Fiat Aviazione
Designed by Tranquillo Zerbi
First run 1934

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.[1] It debuted at the Challenge International de Tourisme 1934, powering a number of the competitors.[2] The engine had seven cylinders of square design, with a bore and stroke of 115 mm (4.5 in), arranged around a crankshaft in a single row.[3] It was connected to the propeller by direct drive, often through a NACA cowling.[4]


Specifications (A.70S)

Data from NACA Technical Memorandum No.760.[3]

General characteristics



See also

Comparable engines

Related lists




  • Bridgman, Leonard (1950). Jane's All the World's Aircraft 1950-1951. London: Sampson Low, Marston.
  • Gunston, Bill (2006). World Encyclopedia of Aero Engines. Stroud: Sutton Publishing. ISBN 0-7509-4479-X.
  • Schulz, R.; Pleines, W. (1934). NACA Technical Memorandum No.760: Technical Aspects of the 1934 International Touring Competition (Rundflug). Retrieved 17 November 2019.
  • Thompson, Jonathan (1963). Italian Civil and Military Aircraft, 1930-1945. Los Angeles: Aero Publishers. ISBN 1-2584-4296-5.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.