▁In ▁ 1 9 0 2 , ▁the ▁brothers ▁were ▁s elling ▁a ▁two - cy l inder ▁and ▁ 2 , 5 0 0 ▁p ound ▁car ▁at ▁$ 3 , 5 0 0 , ▁the ▁most ▁expensive ▁autom obile ▁at ▁the ▁time , ▁until ▁the ▁following ▁year , ▁when ▁they ▁produced ▁a ▁ 5 0 - hor se power ▁lim ous ine ▁at ▁a ▁s elling ▁price ▁of ▁$ 7 , 5 0 0 . ▁Both ▁aut os ▁were ▁chain ▁driven ▁and ▁had ▁four ▁cyl ind ers ▁and ▁arm ored ▁wood ▁ch ass is . ▁The ▁most ▁successful ▁model ▁was ▁the ▁“ Jack ▁Rab bit ” ▁cars , ▁developed ▁in ▁ 1 9 0 8 . ▁ ▁App erson ▁also ▁participated ▁at ▁the ▁Charles ▁River ▁Speed way ▁and ▁in ▁his ▁first , ▁he ▁won ▁the ▁third ▁of ▁a ▁mile ▁race ▁with ▁his ▁two - pass enger ▁high - speed ▁ 3 0   m ph ▁model ▁on ▁the ▁track . ▁The ▁track ▁was ▁mainly ▁used ▁for ▁b icy cles ▁and ▁App erson ▁said ▁of ▁the ▁race : ▁" We ▁didn ' t ▁go ▁so ▁fast , ▁but ▁made ▁an ▁awful ▁lot ▁of ▁noise ". ▁He ▁later ▁also ▁competed ▁in ▁a ▁ 1 0 0 - mile ▁non - stop ▁race , ▁using ▁five ▁gall ons ▁of ▁fuel ▁and ▁covering ▁ 1 0 0 ▁miles , ▁during ▁a ▁ra iny ▁and ▁mud dy ▁day ▁in ▁Long ▁Island , ▁New ▁York ▁in ▁ 1 9 0 1 , ▁winning ▁a ▁blue ▁rib bon