ADC Airdisco
| 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 |
The ADC Airdisco is a British V-8 aero engine that first ran in 1925.
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
- Avro 548A
- Cierva Parnall Gyroplane
- de Havilland DH.51
- Royal Aircraft Factory S.E.5A
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
- Power output: 120 hp ( kW) at 1,800 rpm (takeoff power)
- Compression ratio: 4.6:1
See also
- Related development
- Related lists
References
Notes
- ↑ Lumsden 2003, p. 55.
- ↑ Shuttleworth Collection - DH.51 Retrieved: 1 September 2009
- ↑ Lumsden 2003, p.276.
Bibliography
- Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. ISBN 1-85310-294-6.
External links
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