Lewis Hamilton accepted that some of the problem had been caused by him trying different things - but he said the behaviour of cars further back had also contributed too .
Lewis Hamilton has started on pole position for all but one race in 2014 .
Lewis Hamilton , who has started on pole position for all but one race in 2014 , accepted that some of the problem had been caused by him trying different things - but he said the behaviour of cars further back had also contributed too .