▁the ▁only ▁alter ation ▁made ▁to ▁the ▁cars ▁all ▁year ▁was ▁the ▁movement ▁of ▁side - mir ror s ▁in board ▁ahead ▁of ▁a ▁side pod - mir ror ▁ban ▁in ▁China . ▁ ▁Racing ▁history ▁ ▁With ▁no ▁pre - season ▁testing , ▁the ▁F 1 1 0 ▁completed ▁its ▁first ▁la ps ▁during ▁the ▁week end ▁of ▁the ▁ 2 0 1 0 ▁Bah rain ▁Grand ▁Prix . ▁Sen na ' s ▁car ▁was ▁completed ▁in ▁time ▁for ▁him ▁to ▁complete ▁three ▁installation ▁la ps ▁in ▁the ▁first ▁free ▁practice ▁session . ▁In ▁the ▁second ▁session , ▁he ▁completed ▁ 1 7   laps , ▁setting ▁a ▁best ▁time ▁over ▁ 1 1   seconds ▁off ▁the ▁pace , ▁but ▁sl id ▁off ▁the ▁road ▁after ▁comple ting ▁his ▁final ▁lap ▁due ▁to ▁one ▁of ▁his ▁car ' s ▁whe els ▁coming ▁loose . ▁Sen na ▁described ▁the ▁day ' s ▁work ▁as ▁a ▁" gre at ▁start ", ▁considering ▁the ▁team ' s ▁lack ▁of ▁prepar ation . ▁By ▁contrast , ▁the ▁mechan ics ▁were ▁unable ▁to ▁make ▁the ▁cl utch ▁and ▁g ear box ▁on ▁Ch and h ok ' s ▁car ▁work , ▁and ▁he ▁did ▁not ▁complete ▁any ▁la ps ▁on ▁Friday . ▁During ▁Saturday ' s ▁sole ▁practice ▁session , ▁Sen na ▁completed ▁ 1 1   more ▁la ps , ▁and ▁trim med ▁his ▁time ▁to ▁within ▁ten ▁seconds ▁of ▁the ▁pace , ▁but ▁Ch and h ok ▁was ▁further ▁delayed ▁by ▁a ▁hyd ra