The Wolseley Viper is a British-built, high-compression derivative of the Hispano Suiza HS-8 liquid-cooled V-8 engine, built under licence by Wolseley Motors during World War I. It powered later models of the S.E.5a, SPAD VII and other British or British-built aircraft designed for the Hispano-Suiza. 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 Airco DH.9 Avro 552 Bristol M.R.1 Bristol Tourer Cierva C.8 Martinsyde F.6 Royal Aircraft Factory S.E.5a Sopwith Antelope Sopwith Cuckoo Survivors A Wolseley Viper powered Royal Aircraft Factory S.E.5a is owned by, and on display at The Shuttleworth Collection, Old Warden Aerodrome in the UK. Engines on display A preserved Wolseley Viper is on public display at the Science Museum, London. A preserved Wolseley Viper is on public display at the Museo Nacional de Aeronáutica de Argentina Specifications (W.4A Viper) See also References Notes Bibliography Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. . Viper 1910s aircraft piston engines