Dubbelkoppelaarratkas: Verskil tussen weergawes

'n '''Dubbelkoppelaarratkas''' is 'n tipe semi-outomatiese ratkas of outomatiese motortransmissie wat gebruikmaak van twee afsonderlike skakels.<ref name=AMS>{{cite journal|title=Powertrain — transmissions: Shift in power to the gearbox|url=http://www.unofficialbmw.com/images/SHIFT1.pdf|format=PDF|journal=Auto, Motor und Sport|publisher=UnofficialBMW.com|date=September–Oktober 2003|accessdate=31 Oktober 2009|archive-date=17 Julie 2011|archive-url=https://web.archive.org/web/20110717164509/http://www.unofficialbmw.com/images/SHIFT1.pdf|url-status=dead}}</ref> Op die een koppeling is die ewe ratte en op die ander koppeling die onewe ratte. Dit kan beskryf word as fundamenteel twee afsonderlike handratkaste (met hul onderskeie koppelaars) vervat binne een hulsel, wat as 'n eenheid werk.<ref name=AEI>{{cite journal|title=Automatic-shifting dual-clutch transmissions are poised to grab share from traditional transmissions thanks to their combination of efficiency and convenience|url=http://www.dctfacts.com/documents/1-117-6-20.pdf|format=PDF|journal=AEI-online.org|publisher=DCTfacts.com|date=Junie 2009|accessdate=31 Oktober 2009|archive-date= 7 Oktober 2011|archive-url=https://web.archive.org/web/20111007173150/http://www.dctfacts.com/documents/1-117-6-20.pdf|url-status=dead}}</ref><ref name=PorschePDK_Glossary>{{cite web |title=Porsche Doppelkupplung (PDK) |url=http://www.porsche.com/microsite/technology/default.aspx?pool=uk&ShowSingleTechterm=PTPDopKuGe&Category=&Model=&SearchedString=&SelectedVariant= |publisher=Porsche.com |access-date=31 Oktober 2009 |language=lb |archive-url=https://web.archive.org/web/20130625013452/http://www.porsche.com/microsite/technology/Default.aspx?pool=uk |archive-date=25 Junie 2013 |url-status=dead |df=dmy-all }}</ref>