Wolseley Viper
The Wolseley Viper is a high-compression derivative of the Hispano Suiza HS-8 liquid-cooled V-8 engine, which was built under license in Britain by the Wolseley Motor Company as the Adder during World War I. It powered the SE-5A, SPAD VII and other British or British-built aircraft.
Variants
- Wolseley W.4A Python I
- Wolseley W.4A Python II
- Wolseley W.4A Viper
- Wolseley W.4B Adder I
- Wolseley W.4B Adder II
- Wolseley W.4B Adder III
- Wolseley W.4A Python
Applications
Survivors
The Wolseley Viper powered Royal Aircraft Factory S.E.5a that is owned and operated by the Shuttleworth Collection remains airworthy and can be seen flying at home displays throughout the summer months.[1]
Engines on display
A preserved Wolseley Viper is on public display at the Science Museum (London).
Specifications (W.4A Viper)
Data from Lumsden[2]
General characteristics
- Type: 8-cylinder, upright, 90 degree Vee engine
- Bore: 4.72 in (120 mm)
- Stroke: 5.12 in (130 mm)
- Displacement: 716.8 cu in (11.77 L)
- Dry weight: 500 lb
Components
- Fuel system: Twin Zenith-Duplex carburettors
- Cooling system: Liquid-cooled
- Reduction gear: Direct drive, Right-hand tractor
Performance
See also
- Related development
- Comparable engines
- Related lists
References
Notes
Bibliography
- Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. ISBN 1-85310-294-6.
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