Ku sii qor faqradan - Markii xilli ciyaareedku sii socday kooxdu waxay tijaabisay ku xiridda 'baalasha' aerofoil-ka baabuurka. At the Italian Grand Prix iyo United States Grand Prix tusaale ahaan, Stewart tartan ku MS10 la garab sare ganaax-rakibay, nooca la mid ah in la mamnuucay xilli ciyaareedka soo socda ka dib markii labada wadayaasha Lotus ku dhacay shilal ku dhow dhimasho ee Spanish Grand Prix
Waxaad 1969 South African Grand Prix baabuurka xitaa waxaa lagu tartamay laba garab oo sareeya, mid hore iyo mid ka dambeeya dabada. Tartamada kale, MS10 waxaa lagu tartamay garab hoose, sida intii lagu jiray guushii Stewart ee Grand Prix ee Jarmalka.