![]() I found one VERY complicated formula that required specific data on the physical layout of the skid pad, slip angle at G measurement, vehicle speed and a couple of other things. ![]() Naturally, I tried to find a published relationship between this maximum lateral force the tire could handle and the straight-ahead COF it might have. The particular S-Drive tire size they tested, had a maximum of 0.88G on their skid pad. ![]() No luck! However, I did find a skid pad test done by an automotive magazine. So, using the usual Internet places (Tire Rack, the vendor's website, Google search, searching this forum, etc.), I tried to find the COF for my Yokohama S-Drive tires. I know my tires and their sizes, having bought them already. I though it was approaching 1.0 on modern, high performance tires. ![]() I'm thinking that number is low for modern tires. If not, he notes that street tires seldom exceed a COF of 0.80. 94) he assumes you know the coefficient of friction (COF) for your tires. I'm working on the brake system design of my Locost using Fred Puhn's "Brake Handbook" from HP Books. ![]()
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