els ▁instead ▁of ▁ 2 ) ▁and ▁" more ▁low - volume " ▁parts ▁makes ▁vel om ob iles ▁more ▁expensive . ▁ ▁The ▁only ▁attempt ▁at ▁a ▁mass - produ ced ▁vel om obile , ▁which ▁was ▁in ▁the ▁mid - 1 9 8 0 s , ▁flo pped . ▁ ▁This ▁was ▁the ▁S inc la ir ▁C 5 . ▁ ▁The ▁C 5 ▁was ▁a ▁delta ▁tri ke ▁( one ▁front , ▁two ▁rear ▁whe els ) ▁with ▁electric ▁assist ▁designed ▁to ▁be ▁mass - produ ced ▁and ▁sold ▁for ▁a ▁low ▁price . ▁ ▁The ▁C 5 ▁was ▁poor ly ▁designed ; ▁it ▁was ▁heavy , ▁had ▁only ▁one ▁g ear ▁and ▁had ▁no ▁adjust ment ▁for ▁the ▁distance ▁between ▁the ▁ped als ▁and ▁the ▁seat , ▁which ▁is ▁important ▁to ▁get ▁a ▁comfortable ▁ped alling ▁position . ▁ ▁A ▁concept ▁and ▁a ▁potential ▁assess ment ▁concerning ▁low - cost ▁vel om ob iles ▁for ▁daily ▁short ▁tri ps ▁as ▁well ▁as ▁strateg ies ▁for ▁reaching ▁a ▁critical ▁lot ▁size ▁for ▁mass ▁production ▁was ▁the ▁subject ▁of ▁a ▁research ▁project ▁called ▁Reg In no M obil . ▁ ▁Vel om ob iles ▁have ▁also ▁been ▁used ▁in ▁Australian ▁H P V ▁Super ▁Series ▁since ▁ 1 9 8 5 , ▁and ▁more ▁recently , ▁other ▁events ▁in ▁Australia ▁like ▁the ▁R AC V ▁Energy ▁Break through , ▁the ▁F ras er ▁Coast ▁Technology ▁Challenge , ▁and ▁the ▁Victor ian ▁H P V ▁Series . ▁ ▁The ▁Milan ▁was ▁used