Hispano-Suiza 14AA
| 14AA | |
|---|---|
 | |
| Type | Radial engine |
| Manufacturer | Hispano-Suiza |
| First run | 1930s |
| Developed from | Wright R-2600 |
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.
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
- Amiot 341
- LeO 45
- Farman F.223
- Latécoère 530
- Latécoère 570
- Koolhoven F.K.58
- Potez 501
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: 156 mm (6.13 in)
- Stroke: 170 mm (6.69 in)
- Displacement: 45.25 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
- Valvetrain: Overhead valves
- Supercharger: Single-speed centrifugal type supercharger, 10.0:1 reduction
- Fuel system: Carburetor
- Fuel type: 85-87 octane rating gasoline
- Cooling system: Air-cooled
- Reduction gear: 1.58:1
Performance
- Power output: 793 kW (1,063 hp) at 2,125 rpm for takeoff
- Specific power: 17.52 kW/l (0.39 hp/in³)
- Compression ratio: 6.2:1
- Specific fuel consumption: 369 g/(kW•h) (0.61 lb/(hp•h))
- Oil consumption: 12 g/(kW•h) (0.32 oz/(hp•h))
- Power-to-weight ratio: 1.24 kW/kg (0.75 hp/lb)
See also
Related lists
References
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Wikimedia Commons has media related to Hispano-Suiza 14AA. |
- ↑ Hartmann, Gérard, Hispano-Suiza. Les moteurs de tous les records
- ↑ Tsygulev (1939). Aviacionnye motory voennykh vozdushnykh sil inostrannykh gosudarstv (Авиационные моторы военных воздушных сил иностранных государств). Moscow: Gosudarstvennoe voennoe izdatelstvo Narkomata Oborony Soyuza SSR. Archived from the original on 2009-03-24.
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