EntityQ1766959· pop 9· linked from 207 articlesNACA ductSign in to saveCommon form of low-drag air inlet designConnectionsNASAConceptInternational Standard Book NumberEntityjet engineEntityauto racingEntitydragEntityFord MustangEntitysports carEntityvortexEntityFerrari F40EntityNational Advisory Committee for AeronauticsEntityLamborghini CountachEntityboundary layerEntityPorsche 924Entityfixed-wing aircraftEntityPontiac GTOEntityQ130549590EntityPorsche 911 GT2Entityflow separationEntityMaserati BiturboEntityNissan S130EntityCategoriesAircraft aerodynamicsEngine technologyNational Advisory Committee for Aeronautics