Hispano-Suiza 14AA

The Hispano-Suiza 14AA, also known as Type 79, was a fourteen-cylinder aircraft radial engine used in France during the late 1930s. As Hispano-Suiza lacked recent experience in developing radial engines, it was derived from the licensed Wright R-2600 engine.[1] Due to reliability problems, the engine was largely supplanted by the similar Gnome-Rhône 14N.

14AA
Type Radial engine
Manufacturer Hispano-Suiza
First run 1930s
Developed from Wright R-2600

Not to be confused with the smaller Hispano-Suiza 14AB, which was derived from the smaller Wright Whirlwind series.

Variants

14AA-00
Direct drive LH rotation
14AA-01
Direct drive RH rotation as -00
14AA-02
0.625:1 reduction gear LH rotation
14AA-03
0.625:1 reduction gear RH rotation as -02
14AA-04
0.625:1 reduction gear LH rotation
14AA-05
0.625:1 reduction gear RH rotation as -04
14AA-06
Direct drive LH rotation
14AA-07
Direct drive RH rotation as -06

Applications

Specifications (14AA-04)

'Note: - The 14AA-03 was identical except for the propeller shaft rotating in the opposite direction

Data from [2]

General characteristics

  • Type: Fourteen-cylinder two-row supercharged air-cooled radial engine
  • Bore: 155,6 mm (6.126 in)
  • Stroke: 170 mm (6.693 in)
  • Displacement: 45.257 l (2,761 in³)
  • Length: 1,650 mm (64.96 in)
  • Diameter: 1,260 mm (49.61 in)
  • Dry weight: 640 kg (1,411 lb)

Components

Performance

See also

Related lists

References

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