Bristol Perseus

Perseus
Preserved Bristol Perseus
TypePiston aircraft engine
ManufacturerBristol Aeroplane Company
First run1932
Major applicationsWestland Lysander
Blackburn Skua
Number builtc.8,000
Developed intoBristol Hercules

The Bristol Perseus was a British nine-cylinder, single-row, air-cooled radial aircraft engine produced by the Bristol Engine Company starting in 1932. It was the first production sleeve valve aero engine.