Fiat A.24

The Fiat A.24 was an Italian water-cooled aircraft engine from the 1920s, built in modest numbers. It produced 520 kW (700 hp).

A.24
A.24R
Type Water-cooled V-12
Manufacturer Fiat Aviazione
First run c.1926
Number built at least 100

Design and development

During the second half of the 1920s Fiat introduced several water-cooled aircraft engines, including the A.20, A.22, A24, A.25 and A.30.[1] They were all upright V-12s with 60° between the cylinder banks; capacities ranged between 18.7 L and 54.5 L (1,141-3,326 cu in) and power outputs between 320 kW and 745 kW (430-1,000 hp).[1][2]

Producing 520 kW (700 hp) from 32.3 L (1,971 cu in), the A.24 was towards the centre of this range. When Fiat were advised by the government to simplify their water-cooled product line, they decided to focus on the A.20, A.22 and A.30 models so that the A.24 was not manufactured in large numbers.[1][2]

Variants

A.24
Initial version, ungeared.
A.24 R.
Geared output.

Applications

From Thompson.[3]

Specifications (A.24R)

Data from Jane's All the World's Aircraft 1938.[2]

General characteristics

  • Type: water-cooled 60° upright V-12
  • Bore: 140 mm (5.51 in)
  • Stroke: 175 mm (6.89 in)
  • Displacement: 32.3 L (1,971 cu in)
  • Length: 1.770 m (69.69 in)
  • Width: 735 mm (28.9 in)
  • Height: 1.065 m (41.93 in)
  • Dry weight: Dry 550 kg (1,213 lb)

Components

Performance

  • Power output: 520 kW (700 hp) at 2,000 rpm, continuous.
  • Compression ratio: 5.7:1
  • Fuel consumption: 0.302 kg/kW/h (0.496 lb/hp/h)

See also

Related lists

References

  1. Gunston, Bill (1989). World Encyclopaedia of Aero Engines (2 ed.). Wellingborough: Patrick Stephens Ltd. p. 57. ISBN 1-85260-163-9.
  2. Grey, C.G. (1972). Jane's All the World's Aircraft 1938. London: David & Charles. p. 69d. ISBN 0715-35734-4.
  3. Thompson, Jonathan (1963). Italian Civil and Military Aircraft 1930-1945. Fallbrook, California: Aero Publishers, Inc.
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