Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Which has lower RR? Large or small diameter tire

JackMcCornack · 11-18-2009, 07:00 PM

All else being equal (I know, I know, all else isn't equal) does a bigger tire OD help or hurt rolling resistance?

11-18-2009, 07:00 PM	#1 (permalink)
JackMcCornack EcoModding Apprentice Join Date: Mar 2008 Location: Southern Oregon Posts: 149 Thanks: 4 Thanked 26 Times in 15 Posts	Which has lower RR? Large or small diameter tire All else being equal (I know, I know, all else isn't equal) does a bigger tire OD help or hurt rolling resistance? (Support Ecomodder.com & get rid of these annoying ads!) __________________ Modding MAX, a Kubota-powered classic sports car http://www.kineticvehicles.com