Hispano-Suiza 14AB
Encyclopedia
The Hispano-Suiza 14AB was a 14-cylinder twin-row air-cooled radial engine. In 1929 the Hispano-Suiza
Hispano-Suiza
Hispano-Suiza was a Spanish automotive and engineering firm, best known for its luxury cars and aviation engines in the pre-World War II period of the twentieth century. In 1923, its French subsidiary became a semi-autonomous partnership with the parent company and is now part of the French SAFRAN...

 company bought a license to produce the Wright Whirlwind
Wright Whirlwind
The Wright R-975 Whirlwind was a series of nine-cylinder air-cooled radial aircraft engines built by the Wright Aeronautical division of Curtiss-Wright. These engines had a displacement of about 975 in³ and power ratings of 300-450 hp...

 engine. The technology from that engine was used to produce a number of different radial engines with greater displacements, power and number of cylinders. The most significant of them was 14AB, which was a very compact design with relatively good performance, and some 2,500 engines were produced. The 14AB suffered from cooling problems, and many aircraft originally designed for the 14AB were redesigned to use the more reliable Gnome-Rhône 14M
Gnome-Rhône 14M
|-See also:* Pratt & Whitney R-1535 a comparable engine sometimes fitted as an alternative to the 14M on French designs-References:* Danel, Raymond and Cuny, Jean. L'aviation française de bombardement et de renseignement 1918-1940 Docavia n°12, Editions Larivière...

 series of engines or imported Wright and Pratt & Whitney R-1535
Pratt & Whitney R-1535
|-See also:* Pratt & Whitney Wasp series* R-985 Wasp Junior* R-1340 Wasp* R-1830 Twin Wasp* R-2800 Double Wasp* R-4360 Wasp Major-Bibliography:...

 engines.

Variants

14AB-00
With reduction gear

14AB-02
Without reduction gear

14AB-12
800hp

14AB-13
800hp

Specifications (Hispano-Suiza 14AB-00)

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