Alfa Romeo 122
The Alfa Romeo 122 was a 12-cylinder inverted-V aircraft engine produced in 1941 by Alfa Romeo Milano as a licence-built Czechoslovakian Walter Sagitta, featuring a single-speed supercharger. The 122 R.C.38 major production variant had a reduction gearbox, single stage super-charger and rated altitude of 3,800 m (12,500 ft).
| Alfa Romeo 122 | |
|---|---|
| Type | Piston aircraft engine |
| Manufacturer | Alfa Romeo |
| First run | 1941 |
| Developed from | Walter Sagitta |
Specifications
General characteristics
- Type: 60° 12-cylinder inverted V-12 air-cooled engine
- Bore: 118 mm (4.6 in)
- Stroke: 140 mm (5.5 in)
- Displacement: 18.6 l (1,135.04 cu in)
- Length: 1,790 mm (70.5 in)
- Width: 725 mm (28.5 in)
- Height: 781 mm (30.7 in)
Components
- Supercharger: Centrifugal compressor, diameter 210 mm (8.3 in)
- Cooling system: Air cooling
Performance
- Power output: 368 kW (493 hp) at 3,800 m (12,500 ft)
See also
Related development
Comparable engines
- Argus As 410
- Argus As 411
- de Havilland Gipsy Twelve
- Isotta Fraschini Delta
- Isotta Fraschini Gamma
- Renault 12R
Related lists
Notes
Bibliography
- Archivio Storico Alfa Romeo - Volume II. Torino, novembre 1998.
External links
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