Rolt waxa uu tartamay sadex tartan oo ka tirsan Formula One World Championship, British Grands Prix ee 1950, 1953, & 1955, laakiin sadexdii tartanba waxa uu ku dhamaaday hawlgab. Tartanka Grand Prix ee Ingiriiska 1950
, wareegii ugu horeeyay ee tartanka F1 World Championship, wuxuu bilaabay kaalinta 10aad ee shaxda isagoo leh ERA oo uu u qalmay Peter Walker, laakiin gearboxku wuu ka xumaaday afar wareeg kadib. Sanadkii 1953 tartanka, mar kale wuxuu ka bilaabay kaalinta 10-aad, laakiin nus garab oo Connaught-kiisa ah ayaa fashilmay kadib 70 wareeg. Tartankiisii ugu dambeeyay ee Grand Prix, wuxuu mar kale la wadaagay Walker sanadkii 1955. Waxa uu ahaa kii ugu dambeeyay ee F1 ee labada darawalba: Connaught waxay bilaabeen 14aad waxayna ku fariisteen dhibaato gudbinta kadib 18 wareeg. Stirling Moss wuxuu ku dooday in Rolt uu ka mid noqon lahaa wadayaasha ugu sareeya ee GP, haddii uu si joogto ah u tartami lahaa.