EntityQ1145799· pop 9· linked from 144 articlesV-1570Sign in to save1926 V12 engine family by CurtissConnectionsConsolidated P-30EntityCurtissEntityInternational Standard Book NumberEntityairlinerEntityUnited States Department of DefenseConceptaircraft engineEntityV engineEntityradial engineEntityNational Air and Space MuseumEntityreciprocating engineEntityflat engineEntitycompression ratioEntityengine displacementEntityV12Entitystraight engineEntityTupolev TB-3EntitysuperchargerEntityDo XEntityvalvetrainEntityR-1830 Twin WaspEntityCategories1920s aircraft piston enginesCurtiss aircraft enginesV12 aircraft engines