Rolling resistance
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From: Lexington, Ky
Originally Posted by krazik,Feb 11 2008, 02:24 PM
what makes you think rolling resistance (unless you have the e-brake on) has any significant affect on lap times? Hence the joke on spare tires. You can have very little rolling resistance w/ tiny tires, but your lap times on a course w/ turns in gonna be VERY slow. If you're going for landspeed runs then you care about drag and rolling resistance.
I knew this question was the reason for the thread.
BTW They're talking about total diameter, not the diameter of the wheel.
-Ry
I knew this question was the reason for the thread.
BTW They're talking about total diameter, not the diameter of the wheel.
-Ry
I think with 4.77's a land speed run is out of the question haha. I realize we're talking total diameter as well, referred to wheel size since I was too lazy to look up tire diameter. It seems most of RR is out of our hands, it was just a post out of curiosity mostly since I hadn't seen any mention ever before, I guess only F1 worries about these things 
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Originally Posted by INTJ,Feb 11 2008, 06:07 PM
Yes, total diameter. Car wheel diameter is more a function of brake size. The difference is probably smaller than all the other rr factors (inflation/construction etc.)
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From: Santa Cruz, CA, US
Originally Posted by ShocK,Feb 11 2008, 06:37 PM
I was just curious I think with 4.77's a land speed run is out of the question haha. I realize we're talking total diameter as well, referred to wheel size since I was too lazy to look up tire diameter. It seems most of RR is out of our hands, it was just a post out of curiosity mostly since I hadn't seen any mention ever before, I guess only F1 worries about these things
I think with 4.77's a land speed run is out of the question haha. I realize we're talking total diameter as well, referred to wheel size since I was too lazy to look up tire diameter. It seems most of RR is out of our hands, it was just a post out of curiosity mostly since I hadn't seen any mention ever before, I guess only F1 worries about these things 
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