<prompt> Bhala ukuqhubeka kwalesi sigaba - Ekuqaleni kwawo-1970, umgijimi ongeyena umgijimi u-Yip wahlangana noSid Taylor futhi wavuma ukuxhasa uVern Schuppan ku-Formula 5000. Lokhu kwaholela ekutheni u-Yip asekele uSchuppan kuFomula One no-Ensign ngo-1974. Kwabe sekulandela ukubandakanyeka okwengeziwe eMelika noSchuppan bese kusekelwa u-Alan Jones ochungechungeni lwe-US F5000 ngo-1976. E-Australia, u-Schuppan wanqoba i-Rothmans International Series ye-Yip ukushayela i-Lola T332-Chevrolet ngo-1976. Ngalowo nyaka uYip wasungula uTheodore Racing. Yayiphethwe nguTaylor futhi yafaka i-Ensign kaPatrick Tambay eF1. Ngemva konyaka onzima ngo-1977, u-Yip wayala uRon Tauranac ukuba amakhele imoto ye-F1. Imoto, ebizwa ngokuthi iTheodore TR1, yayinenkinga futhi u-Eddie Cheever wehluleka ukufaneleka eBrazil nase-Argentina  <response>: kodwa ke uKeke Rosberg wathatha izintambo futhi wanqoba i-International Trophy eSilverstone emanzi, nakuba wafanelekela i-GP eyodwa kuphela eNingizimu Afrika. Imoto yayishiywe phakathi nesizini. E-US, u-Yip wasekela iqembu lika-Eagle likaDan Gurney. 