EntityQ3805822· pop 8· linked from 114 articlesR-755Sign in to save225 hp radial aircraft engineConnectionsR-760 WhirlwindEntityInternational Standard Book NumberEntityWayback MachineEntityUnited States Department of DefenseConceptoctane ratingEntityaircraft engineEntitycylinderEntityV engineEntityradial engineEntityFieseler Fi 156 StorchEntitycylinder headEntityflat engineEntityengine displacementEntitystraight engineEntityvalvetrainEntityBoeing-Stearman Model 75EntityR-1830 Twin WaspEntityH engineEntityW engineEntitystrokeEntityCategories1930s aircraft piston enginesAircraft air-cooled radial piston enginesJacobs aircraft enginesSeven-cylinder engines