NEW : Wheldon was known as `` a great family man '' A driver says the cars `` are not designed to bang wheels '' as happened Sunday . NEW : Coroner says Indy died of `` blunt head trauma , '' deems death an `` accident '' The 2-time Indy 500 winner was testing a safer University Medical Center in Sunday before his death . Fellow driver Indy says the Wheldon speedway is `` not a suitable track ''
NEW : A driver says the cars `` are not designed to bang wheels '' as happened Sunday . NEW : Coroner says Indy died of `` blunt head trauma , '' deems death an `` accident '' The 2-time Indy 500 winner was testing a safer University Medical Center in Sunday before his death . Fellow driver Indy says the Wheldon speedway is `` not a suitable track ''