Great info! Thanks, Hulk.
Richard
On Thu, 12 Jul 2001 15:32:58 -0700 NITF@work.com writes:
> And if we want to stretch our brains all the way back to physics
> then
> we can't just calculate the kinetic friction by u(k) = F(f) / F(n)
> because a big factor of skidding has to do with the ability of the
> rubber in the tire to stick to each other. When this fails then
> the
> only force stopping us is the ripping coefficient.
>
> This increases the friction available because the rubber that is
> ripping free is actually back to its static friction value, but
> then
> the burning rubber and resulting vapor that makes an air and liquid
> rubber cushion for the rest of the tire causes the sliding on water
> effect that DD mentions.
>
> Too much physics make Hulk's brain hurt, need nap...
>
> NITF
>
> For fun check out this site dedicated to accident recreation
> theory:
>
> http://www.rec-tec.com/Grade.html
>
> On Thu, 12 Jul 2001 13:07:59 -0400, dakotasdodge@hotmail.com
> ("Dakota
> Dodge") wrote:
> >The coeficient of friction for tires is approx .95, and once they
> start to
> >skid (which if you look at it in slow motion...the tires are
> skidding on the
> >burning rubber) the coeficient of friction drops down to the area
> of water
> >(ever hydroplaned in your DAK?...same idea as skidding on rubber)
>
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