 Nyorai kupfuurira kweiyi ndima - Muna David Purley akahaya March 731 uye achitsigirwa nekambani yemhuri yake yefriji LEC Refrigeration, akaita nhamburiko isina kubudirira zvikuru muFormula One. Purley nechikwata vakaita kutanga kwavo muMonaco apo tangi remafuta rakaputsika. Purley haana kuita kutangazve paBritish GP mushure mekunge atendeuka. Yakanga iri pa 1973 Dutch Grand Prix, zvisinei, uko Purley akaita zvimwe zviito zvake zvisingakanganwiki zvikuru. Paakapupurira tsaona iyo yakasiya mumwe mutyairi weBritish Roger Williamson akabatwa mumotokari yake yakashandurwa uye inopisa, Purley akasiya mujaho wake uye akaedza kuponesa Williamson, uyo akanga achitora chikamu mumutambo wake wechipiri weFormula One. Purley akazoyeuka kuti paakasvika panzvimbo yacho, akanzwa Williamson achichema kuti abatsirwe sezvo moto wakatanga kupisa. Kuedza kwaPurley kururamisa motokari uye kudzima moto kwakanga kusina maturo sezvo asina kuwana rubatsiro kubva kune vashandi vepedyo kana vashandi vekukurumidzira, pasinei nekuedza kuvakurudzira, uye vamwe vatyairi vanopfuura, kuti vauye kuzomubatsira; Williamson akafa nekuputika. Nemhaka yokuti vakuru vakuru vakanga vasina kupfeka zvipfeko zvinodzivirira moto uye vatyairi vaipfuura vaidavira kuti Purley akanga achiedza kudzima motokari yake amene, apukunyuka tsaona yomwoto asina kukuvadzwa; vakanga vasingazivi kuti mutyairi wechipiri akanga achibatanidzwa. Chikwata chacho chakapedza kekutanga muGerman GP. Purley akapedzawo muItaly. 