Buuxi weedhan soo socota: Rolt wuxuu ka qeyb galay saddex tartan oo ka tirsan Horyaalka Adduunka ee Formula One, British Grands Prix ee 1950, 1953, & 1955, laakiin dhammaan saddexda tartan ayaa ku dhammaaday hawlgab. Marka la eego
1950 British Grand Prix, wareegii ugu horeeyay ee F1 World Championship, wuxuu bilaabay 10aad ee shaxda 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.