EntityQ1431070· pop 12· linked from 164 articlesNapier DelticSign in to saveopposed-piston engine used in marine, firefighting and BR locomotive applicationsConnectionstwo-stroke engineEntityE-boatEntitysingle and double-acting cylindersEntitybeam engineEntityNorwayCountryVietnam WarConceptInternational Standard Book NumberEntityYorkEntityinternal combustion engineEntityMercedes-BenzEntitywattEntitypowerEntitydigital object identifierEntitycylinderEntitydeltaEntityUnited States NavyEntitymetric horsepowerEntitydiesel engineEntityRoyal NavyEntityautomotive industryEntityCategories18-cylinder enginesDiesel locomotive enginesMarine diesel enginesNapier DelticNapier enginesOpposed piston enginesPiston ported enginesTwo-stroke diesel engines