2 0 0 9 ▁US RA ▁Division ▁ 2 ▁National ▁Championships ) and ▁the ▁ 2 0 1 0 ▁IS RA ▁world ▁champion ships . ▁ ▁Another ▁example ▁of ▁a ▁ 1 : 2 4 ▁scale ▁track ▁is ▁called ▁the ▁" Eng le man ▁Grand stand ". ▁It ▁is ▁ 2 2 0 ▁foot ▁in ▁lap ▁length ▁and ▁eight ▁lan es ▁wide . ▁It ▁is ▁a ▁favorite ▁for ▁fast ▁cars ▁with ▁its ▁long ▁stra ights ▁and ▁high ▁deep ▁bank . ▁One ▁can ▁be ▁found ▁still ▁in ▁operation ▁in ▁Rock ▁Hill , ▁South ▁Carolina ▁at ▁The ▁S lot ▁Car ▁C ave . ▁There ▁is ▁another ▁at ▁Sc ale ▁Model ▁Supp lies ▁in ▁Saint ▁Paul , ▁Minnesota . ▁▁ 1 : 3 2 ▁Sc ale ▁competition ▁is ▁generally ▁run ▁on ▁the ▁same ▁rout ed ▁tracks ▁as ▁ 1 : 2 4 , ▁at ▁least ▁in ▁the ▁USA . ▁ ▁HO ▁Sc ale ▁competition ▁tracks ▁are ▁typically ▁between ▁ 6 0 ▁and ▁ 1 0 0   ft ▁in ▁length ▁and ▁ 4 ▁to ▁ 6 ▁lan es ▁wide . ▁Pl astic ▁tracks , ▁often ▁modified ▁for ▁improved ▁performance , ▁are ▁more ▁common ▁in ▁HO ▁competition ▁than ▁in ▁the ▁larger ▁scales , ▁as ▁is ▁the ▁use ▁of ▁large ▁home ▁courses ▁for ▁formal ▁racing . ▁ ▁' Dir ty ' ▁tracks ▁- ▁these ▁tracks ▁are ▁mainly ▁used ▁for ▁r ally ▁and ▁ra id . ▁ ▁Elect rical ▁( power ) ▁standards ▁for ▁competition ▁▁ 1 : 2 4 ▁racing ▁is ▁usually ▁at ▁ 1 4 ▁vol ts