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The Hispano-Suiza 12X was an aircraft piston engine designed in France by Hispano-Suiza during the early 1930s. A 12-cylinder Vee, liquid-cooled design, the 12X was used on several aircraft types, some of them being used in limited numbers during World War II. Due to the 12X's limited power output, its derivative the more powerful Hispano-Suiza 12Y had a longer career.
| 12X | |
|---|---|
 | |
| Hispano-Suiza 12Xbrs at the Polish Aviation Museum in Kraków. | |
| Type | V-12 piston aero engine |
| National origin | France |
| Manufacturer | Hispano-Suiza |
| Major applications | |
| Developed into | Hispano-Suiza 12Y |
Variants
Tabulated data from: Lage, 2004[1]
| Model | Year | Compression | Power (hp) | @ r.p.m. | T-O power (hp) | Output reduction | Supercharger optimum altitude (m) | Weight (kg) | Comments | |
|---|---|---|---|---|---|---|---|---|---|---|
| 12Xbr (500 hp) | 1932 | 6.4 | 610 | 2,200 | 610 | 1.5 | 0 | 355 | Unsupercharged. Rated power (500 hp) less than nominal 610 hp | |
| 12Xbrs (500 hp) | 1932 | 5.8 | 650 | 2,650 | 600 | 1.5 | 4,000 | 370 | Rated power (500 hp) less than nominal 650 hp | |
| 12Xbrg (500 hp) | 1932 | 5.8 | 715 | 2,650 | 670 | 1.5 | 2,000 | 370 | Rated power (500 hp) less than nominal 650 hp | |
| 12Xbr (600 hp) | 1934 | 6.4 | 600 | 2,200 | 630 | 1.5 | 355 | For this and all later entries in both tables, Rated power = Nominal power = Power | ||
| 12Xbrs (690 hp) | 1934 | 5.8 | 690 | 2,600 | 660 | 1.5 | 4,500 | 370 | ||
| 12Xbrs1 (720 hp) | 1934 | 5.8 | 720 | 2,600 | 704 | 1.5 | 2,750 | 370 | ||
| 12Xdrs | 1935 | 5.8 | 690 | 2,600 | 670 | 1.5 | 4,000 | 370 | Left handed | |
| 12Xfrs | 1935 | 5.8 | 690 | 2,600 | 670 | 1.5 | 4,000 | 370 | Right handed | |
| 12Xgrs | 1935 | 5.8 | 690 | 2,600 | 670 | 1.5 | 4,000 | 370 | Hamilton propeller, right handed | |
| 12Xgrs1 | 1937 | 5.8 | 720 | 2,600 | 1.5 | 2,100 | 370 | Hamilton propeller, right handed | ||
| 12Xhrs | 1935 | 5.8 | 690 | 2,600 | 670 | 1.5 | 4,000 | 370 | Hamilton propeller, left handed | |
| 12Xhrs1 | 1937 | 5.8 | 720 | 2,600 | 1.5 | 2,100 | 370 | Hamilton propeller, left handed | ||
| 12Xirs | 1935 | 5.8 | 690 | 2,600 | 670 | 1.5 | 4,000 | 370 | Flat flange propeller, left handed | |
| 12Xjrs | 1935 | 5.8 | 690 | 2,600 | 670 | 1.5 | 4,000 | 370 | Flat flange propeller, right handed |
| Model | Year | Compression | Power (hp) | @ r.p.m. | T-O power (hp) | Output reduction | Supercharger optimum altitude (m) | Weight (kg) | Comments | |
|---|---|---|---|---|---|---|---|---|---|---|
| 12Xcrs (690 hp) | 1934 | 5.8 | 690 | 2,600 | 660 | 1.5 | 4,500 | 380 | ||
| 12Xers | 1934 | 5.8 | 690 | 2,600 | 660 | 1.5 | 4,500 | 380 | Variable-pitch propeller | |
| 12Xirs | 1937 | 5.8 | 690 | 2,600 | 660 | 1.5 | 3,900 | 385 | Left handed | |
| 12Xjrs | 1937 | 5.8 | 690 | 2,600 | 660 | 1.5 | 3,900 | 385 | Right handed | |
| 12Xirs1 | 1937 | 5.8 | 720 | 2,600 | 738 | 1.5 | 2,100 | 385 | Left handed | |
| 12Xjrs1 | 1937 | 5.8 | 720 | 2,600 | 738 | 1.5 | 2,100 | 385 | Right handed | |
| 12X 13 | 1937 | 690 | 2,600 | 738 | 1.5 | 3,900 | 371 |
- Hispano-Suiza 12Xrs
Applications
- Bernard 260
- Blériot-SPAD S.510
- Dewoitine D.500
- Hanriot H.110
- Hawker Spanish Fury
- Hawker Spanish Osprey
- Loire 102
- Loire 130
- Loire-Nieuport LN.40
- Lioré et Olivier H-246
- Mitsubishi A5M3a
- Morane-Saulnier M.S. 227
- Nakajima Ki-12
- Potez 540
- Potez 650
Specifications (12Xcrs)
Data from [2]
General characteristics
- Type: Twelve-cylinder supercharged liquid-cooled 60° Vee piston engine
- Bore: 130 mm (5.12 in)
- Stroke: 170 mm (6.69 in)
- Displacement: 27 L (1,648 in³)
- Length: 1,577 mm (62.09 in)
- Width: 726 mm (28.58 in)
- Height: 904 mm (35.59 in)
- Dry weight: 380 kg (838 lb)
Components
- Valvetrain: Overhead camshaft with two valves per cylinder
- Supercharger: Single-speed centrifugal type supercharger, 10:1 reduction
- Fuel system: Six Solex carburetors
- Fuel type: 85 octane rating gasoline
- Cooling system: Liquid-cooled
- Reduction gear: Spur, 2:3
Performance
- Power output:
- 486 kW (651 hp) at 2,600 rpm for takeoff
- 508 kW (681 hp) at 2,600 rpm at 4,500 m (14,765 ft)
- Specific power: 18.81 kW/L (0.41 hp/in³)
- Compression ratio: 5.8:1
- Specific fuel consumption: 328 g/(kW•h) (0.54 lb/(hp•h))
- Oil consumption: 11 g/(kW•h) (0.28 oz/(hp•h))
- Power-to-weight ratio: 1.34 kW/kg (0.81 hp/lb)
See also
Comparable engines
Related lists
References
Wikimedia Commons has media related to Hispano-Suiza 12X.
- Lage, 2004, p.486-7
- 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.
- Danel, Raymond and Cuny, Jean. L'aviation française de bombardement et de renseignement 1918-1940 Docavia n°12, Editions Larivière
- Lage, Manual (2004). Hispano Suiza in Aeronautics. Warrendale, USA: SAE International. pp. 486–7. ISBN 0-7680-0997-9.
На других языках
- [en] Hispano-Suiza 12X
[it] Hispano-Suiza 12X
L'Hispano-Suiza 12X era un motore aeronautico 12 cilindri a V raffreddato a liquido prodotto in Francia dall'azienda francospagnola Hispano-Suiza agli inizi degli anni trenta.Текст в блоке "Читать" взят с сайта "Википедия" и доступен по лицензии Creative Commons Attribution-ShareAlike; в отдельных случаях могут действовать дополнительные условия.
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