Mezue ahịrịokwu na-esonụ: E mere mgbanwe na ahụ na mgbanwe mgbanwe maka 1949 na 1950 GP2 na GP3 ụgbọala, GP3 na-enwetakwa ọkwa abụọ. A rụkwara ha ọzọ ka ha nye iwu, ma nye Geoffrey Crossley na Joe Kelly n'otu n'otu. Crossley weghaara GP2 na 1949 Belgian Grand Prix, mana ọ nwere ike ijikwa naanị ebe nke asaa. N'afọ 1950, o setịpụrụ ọtụtụ ihe ndekọ ọsọ ọsọ karịa 50 kilomita, 50 kilomita na 100 kilomita na sekit Montlhéry. Kelly lekwasịrị anya n'ọsọ ndị Irish, ebe kachasị mma ya bụ nke atọ na 1952 Ulster Trophy. Ndị ọkwọ ụgbọala abụọ ahụ buuru chassis nke ha gaa n'ebe a na-agba ịnyịnya ígwè.
1950 British Grand Prix, nke mbụ Formula One World Championship agbụrụ. Otú ọ dị, mgbe Kelly mechara, ọ bụ onye a na-edeghị aha ya; Crossley lara ezumike nká na nkwarụ nnyefe.