EntityQ638562· pop 8· linked from 51 articlesO-300Sign in to save1947 6-cylinder horizontally-opposed piston engine family by ContinentalConnectionsCessna T-41 MescaleroEntityCessna 175 SkylarkEntityContinental MotorsEntityUnited KingdomCountryInternational Standard Book NumberEntityUnited States Department of DefenseConceptCessna 172 SkyhawkEntityturbopropEntityaircraft engineEntityV engineEntityradial engineEntityRolls-Royce LimitedCompanytransmissionEntityflat engineEntitycompression ratioEntityengine displacementEntitystraight engineEntityR-1830 Twin WaspEntityH engineEntityW engineEntityCategories1940s aircraft piston enginesAir-cooled aircraft piston enginesBoxer enginesContinental aircraft enginesSix-cylinder engines