ra ul ics . ▁ ▁History ▁This ▁type ▁of ▁transmission ▁was ▁invent ed ▁by ▁French man ▁Ad ol phe ▁K égr esse ▁just ▁before ▁World ▁War ▁II , ▁although ▁he ▁never ▁developed ▁a ▁working ▁model . ▁If ▁we ▁disc ount ▁the ▁" E as id rive " ▁automatic ▁transmission ▁developed ▁in ▁the ▁late ▁ 1 9 5 0 s ▁by ▁UK ' s ▁Smith s ▁Indust ries ▁and ▁Ro otes , ▁a ▁system ▁that ▁used ▁dual ▁electro - mag net ic ▁cl ut ches ▁and ▁was ▁offered ▁as ▁an ▁option ▁on ▁Hill man ▁and ▁S inger ▁models , ▁the ▁first ▁mass ▁production ▁development ▁of ▁the ▁tw in - cl utch ▁or ▁dual - cl utch ▁transmission ▁started ▁in ▁the ▁early ▁part ▁of ▁ 1 9 8 0 ▁under ▁the ▁guidance ▁of ▁Harry ▁Web ster ▁at ▁Autom ot ive ▁Product s ▁( AP ), ▁Le am ington ▁Sp a , ▁with ▁pro tot ypes ▁built ▁into ▁the ▁Ford ▁F i esta ▁M k 1 , ▁Ford ▁R anger , ▁and ▁Pe uge ot ▁ 2 0 5 . ▁Initial ly , ▁the ▁control ▁systems ▁were ▁based ▁on ▁purely ▁analog ue / dis crete ▁digital ▁circuit ry ▁with ▁pat ents ▁file d ▁in ▁July ▁ 1 9 8 1 . ▁All ▁of ▁these ▁early ▁AP ▁tw in - cl utch ▁install ations ▁featured ▁a ▁single ▁dry ▁cl utch ▁and ▁multi plate ▁wet ▁cl utch . ▁Por sche ▁has ▁been ▁experiment ing ▁with ▁D CT ▁since ▁ 1 9 6 4 . ▁After ▁trying ▁different ▁designs