ADC Airdisco

The ADC Airdisco is a British V-8 aero engine that first ran in 1925.

Airdisco
ADC Airdisco installed in a DH.51.
Type Air-cooled V-8 piston engine
National origin United Kingdom
Manufacturer Aircraft Disposal Company
First run 1925
Major applications de Havilland DH.51
Avro 548
Developed into ADC Cirrus

Design and development

The 'Airdisco' was developed from the French Renault 70 hp aero engine by Frank Halford of the Aircraft Disposal Company, the main difference being the use of aluminium cylinder heads. Halford later used one bank of cylinders to create the Cirrus engine.[1]

Applications

Survivors

A de Havilland DH.51 owned and operated by the Shuttleworth Collection at Old Warden, Bedfordshire remains airworthy and is powered by an original ADC Airdisco engine.[2]

Specifications (Airdisco)

Data from Lumsden [3]

General characteristics

  • Type: Inline air-cooled, upright, V-8 piston engine
  • Bore: 4.13 in (105 mm)
  • Stroke: 5.12 in (130 mm)
  • Displacement: 548.94 cu in (9 L)
  • Length: 46 in (1,168 mm)
  • Width: 21.3 in (541 mm)
  • Height: 31.1 in (790 mm)
  • Dry weight: lb ( kg)
  • Designer: Frank Halford

Components

  • Valvetrain: 1 inlet and 1 exhaust valve per cylinder
  • Fuel system: Carburettor
  • Fuel type: 74 octane
  • Cooling system: Air-cooled
  • Reduction gear: 0.5:1, right hand tractor

Performance

See also

Related development

Related lists

References

Notes
  1. Lumsden 2003, p. 55.
  2. Shuttleworth Collection - DH.51 Retrieved: 1 September 2009
  3. Lumsden 2003, p.276.

Bibliography
  • Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. ISBN 1-85310-294-6.
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