Alfa Romeo 121
| 121 | |
|---|---|
 | |
| Alfa Romeo 121 | |
| Type | V-8 aircraft engine |
| Manufacturer | Alfa Romeo |
| Major applications | Ambrosini S.7 |
|
| |
The Alfa Romeo 121 was an eight-cylinder, air-cooled, inverted V engine for aircraft use produced in Italy. It was typically rated at 280 kW (380 hp).
Applications
Specifications
Data from Jane's All The World's Aircraft 1953-54.[1][2]
General characteristics
- Type: Eight-cylinder inverted V-8 air-cooled engine
- Bore: 120 mm (4.72 in)
- Stroke: 110 mm (4.33 in)
- Displacement: 9.9952 L (609.9 in³)
- Length: 1,780 mm (70 in)
- Width: 684 mm (26.9 in)
- Height: 700 mm (27.5 in)
- Dry weight: 345 kg (760 lb)
Components
- Supercharger: Centrifugal type
- Fuel system: Two horizontal carburettors, or one injection carburettor
- Fuel type: 100/130 grade fuel
- Oil system: Pressure type.One pressure and three scavenge pumps
- Cooling system: Air cooling
- Reduction gear: Spur gear type: reduction ratio 0.621:1
Performance
- Power output: 284 kW (400 hp) at 3,000 rpm (take-off), 246kW (330 hp) at 3,000 rpm (max continuous power)
- Compression ratio: 6.5:1
- Specific fuel consumption: 290 g/hp/h (0.63 lb/hp/hr) (take-off),
- Oil consumption: 2.5 kg/h (5.5 lb/hr)
- Power-to-weight ratio: 0.82 kg/kW (0.53 hp/lb)
See also
- Related lists
References
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Wikimedia Commons has media related to Alfa Romeo 121. |
Notes
Bibliography
- Bridgman, Leonard (1955). Jane's all the World's Aircraft 1955-56. London: Jane's.
- Bridgman, Leonard (ed.) (1953). Jane's All The World's Aircraft 1953-54. London: Jane's.
- Gunston, Bill (1986). World Encyclopedia of Aero Engines. Wellingborough: Patrick Stephens. p. 9.
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