avia.wikisort.org - EngineThe Bristol Draco was an air-cooled nine-cylinder radial engine from the British manufacturer Bristol Aeroplane Company. It was essentially a version of their famous Pegasus converted to use a fuel injection system.
1930s British piston aircraft engine
The carburettor had only a simple butterfly valve, while two injection pumps supplied the cylinders with fuel, one handling four cylinders and the other, five. Injection was into the manifold before they split into the two intake valves for each cylinder. The engine was flight-tested in a Westland Wapiti. Since the expenditure did not bring a considerable improvement, development was halted.
Specifications (Draco)
Data from Lumsden.[1]
General characteristics
- Type: nine-cylinder air-cooled radial engine.
- Bore: 5.75 in (146 mm)
- Stroke: 7.5 in (190 mm)
- Displacement: 1,753 cu in (28.7 L)
- Length: 43.5 in (1,105 mm)
- Diameter: 55.5 in (1,410 mm)
- Dry weight: 1,093 lb (495.8 kg)
- Designer: Roy Fedden
Components
- Valvetrain: Overhead valve
- Supercharger: Medium supercharged
- Fuel system: Fuel injected
- Cooling system: Air-cooled
- Reduction gear: Geared epicyclic, reduction ratio 0.5:1, left hand tractor
- Power output: 570 hp at 2,000 rpm
- Compression ratio: 5.3:1
- Power-to-weight ratio: 0.52 hp/lb
See also
Related development
Related lists
References
Notes
Bibliography
- Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. ISBN 1-85310-294-6.
На других языках
[de] Bristol Draco
Der Bristol Draco ist einer der luftgekühlten 9-Zylinder-Sternmotoren des britischen Herstellers Bristol Aeroplane Company. Zu Versuchszwecken wurde er in den 1930er Jahren mit einer Kraftstoffeinspritzung ausgerüstet. Für eine bessere Höhenleistung sorgte ein Lader.
- [en] Bristol Draco
[es] Bristol Draco
El Bristol Draco fue motor radial de nueve cilindros del fabricante británico Bristol Aeroplane Company. Era esencialmente una versión del su famoso Pegasus convertido para usar un sistema de Inyección de combustible.
[it] Bristol Draco
Il Bristol Draco era un motore aeronautico radiale a 9 cilindri, disposti su di un'unica fila, raffreddato ad aria prodotto dall'azienda britannica Bristol Engine Company negli anni trenta e rimasto allo stadio di prototipo.
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