Dee ihe ga-aga n'ihu na paragraf a - Rolt gbara asọmpi atọ nke Formula One World Championship, British Grands Prix nke 1950, 1953, &amp; 1955, mana ọpụpụ atọ ahụ kwụsịrị na ezumike nka. Na 1950 British Grand Prix
, agba nke mbụ nke F1 World Championship, ọ malitere na 10th na grid na ERA nke Peter Walker tozuru oke, mana gearbox mebiri mgbe agba anọ gasịrị. N'ọsọ nke 1953, ọ maliteghachiri site na 10th, mana ọkara ọkara na Connaught ya dara mgbe 70 lap. Na Grand Prix ikpeazụ ya, ya na Walker na-agbakọkwa n'otu ụgbọala n'afọ 1955. N'ihe ga-abụ njem F1 ikpeazụ maka ndị ọkwọ ụgbọala abụọ ahụ: Connaught ha malitere na 14th wee laa ezumike nká na nsogbu nnyefe mgbe 18 laps gasịrị. Stirling Moss na-ekwusi ike na Rolt gaara eso n'etiti ndị ọkwọ ụgbọ ala GP kachasị elu, ma ọ bụrụ na ọ na-agba ọsọ mgbe niile.