EntityQ912540· pop 17· linked from 142 articlesHercules engineSign in to save1939 14-cylinder radial piston engine family by BristolConnectionsoctane ratingEntityradial engineEntityBristol Aeroplane CompanyEntityFranceCountryWorld War IIConceptInternational Standard Book NumberEntitygasolineEntityaircraftEntitybomberEntitypistonEntitycarburetorEntitygas turbineEntityrocket engineEntityturbochargerEntityAvro LancasterEntityturbojetEntityturbopropEntityturbofanEntityaircraft engineEntityHandley Page HalifaxEntityCategories1930s aircraft piston enginesAircraft air-cooled radial piston enginesBristol aircraft enginesSleeve valve engines