. ▁plant ▁in ▁F ount ain ▁Square ▁area ▁Indian apolis . ▁In ▁ 1 9 4 7 , ▁aircraft ▁parts ▁engine ered ▁by ▁Sk ir vin ▁& ▁Co . ▁were ▁used ▁on ▁the ▁United ▁States ▁Air ▁Force ▁Lock he ed ▁P - 8 0 ▁Sho oting ▁Star ▁& ▁the ▁Navy ▁D - 5 5 8 ▁Douglas ▁Sk yst re ak . ▁These ▁air plan es ▁set ▁new ▁world ▁air ▁speed ▁records . ▁Among ▁other ▁invent ions , ▁In ▁ 1 9 5 3 , ▁Sk ir vin ▁produced ▁the ▁Cy cle - S co ot , ▁designed ▁and ▁manufact ured ▁in ▁Indian apolis , ▁IN ▁USA . ▁Sk ir vin ' s ▁thro tt le ▁and ▁bra ke ▁design ▁was ▁unique ▁in ▁the ▁sc oot er ▁industry . ▁The ▁r ider ▁pushed ▁down ▁with ▁the ▁toe ▁to ▁go , ▁pushed ▁down ▁with ▁the ▁he el ▁to ▁stop . ▁Ind y ▁ 5 0 0 , ▁three - time ▁winner , ▁Wil bur ▁Shaw ▁officially ▁tested ▁and ▁proved ▁the ▁sc oot er ▁on ▁the ▁ 5 0 0 ▁track ▁in ▁ 1 9 5 4 ▁before ▁the ▁race . ▁The ▁Indian apolis ▁Cy cle - S co ot ▁was ▁widely ▁distributed ▁in ▁the ▁US . ▁ ▁Later ▁years ▁Sk ir vin ▁& ▁S ons ▁bought ▁and ▁operated ▁other ▁real ▁estate ▁including ▁the ▁Indiana ▁Park ing ▁Gar ages , ▁Indian apolis ▁dow nt own ▁par king ▁lots ▁& ▁housing . ▁ ▁References ▁ ▁Category : American ▁a eros pace ▁engine ers ▁Category : American ▁a