Alfa Romeo 121

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).

121
Alfa Romeo 121 RC14
Type V-8 aircraft engine
Manufacturer Alfa Romeo
Major applications Ambrosini S.7

Variants

121 R.C.14
121 R.C.20
121 R.C.22

Applications

Specifications

Data from Jane's All The World's Aircraft 1953-54,[1] Jane's all the World's Aircraft 1955-56,[2] Jane's all the World's Aircraft 1947[3]

General characteristics

  • Type: V-8 inverted air-cooled engine
  • Bore: 120 mm (4.72 in)
  • Stroke: 110 mm (4.33 in)
  • Displacement: 9.9952 L (609.9 inĀ³)
  • Length: 1,780 mm (70.08 in)
  • Width: 684 mm (26.93 in)
  • Height: 700 mm (27.56 in)
  • Dry weight: 345 kg (761 lb)

Components

  • Supercharger: Centrifugal type
  • Fuel system: Two horizontal carburettors, or one injection carburettor
  • Fuel type: 100/130 octane gasoline
  • 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

See also

Related lists

References

  1. Bridgman, Leonard (ed.) (1953). Jane's All The World's Aircraft 1953-54. London: Sampson Low, Marston & Company, Ltd. p. 333.CS1 maint: extra text: authors list (link)
  2. Bridgman, Leonard (1955). Jane's all the World's Aircraft 1955-56. London: Sampson Low, Marston & Company, Ltd.
  3. Bridgman, Leonard (1947). Jane's all the World's Aircraft 1947. London: Sampson Low, Marston & Company, Ltd. p. 50d.

Further reading

  • Gunston, Bill (1987). World encyclopaedia of aero engines (Reprint. ed.). Wellingborough: Stephens. p. 9. ISBN 978-0-85059-717-2.
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