<prompt> Rambai muchinyora ndima iyi - Zvinhu zvakachinjwa pabhodhi uye pakuchinja giya remotokari dzeGP2 neGP3 dzakazotevera dza1949 na1950, GP3 ichiwanawo supercharger ine zvikamu zviviri. Zvakare dzakavakwa kuti dzirairwe, uye dzakapihwa kuna Geoffrey Crossley naJoe Kelly zvichiteerana. Crossley akatora GP2 ku1949 Belgian Grand Prix, asi aigona chete kubata nzvimbo yechinomwe. Muna 1950 akaisa zvinyorwa zvinoverengeka zvekumhanya pamusoro pemakiromita makumi mashanu, makiromita makumi mashanu uye makiromita zana padunhu reMontlhéry. Kelly akaisa pfungwa dzake zvikurukuru pamijaho yokuIreland, uye mugumo wake wakanakisisa wakanga uri wechitatu muUlster Trophy ya1952. Vatyairi vose vari vaviri vakatora chassis yavo kuBritish Grand Prix ya1950  <response>: , mujaho wokutanga weFormula One World Championship. Zvisinei, apo Kelly akapedza, akanga asina kuvanzika; Crossley akarega basa nechikanganiso chekutapurirana. 