Tyre grip
Tyre grip
(OP)
The theoretical grip from an automotive tyre is simply R*mu, where mu is the co-efficient of friction of the tyre & R the reaction force between the tyre & ground.
Consequently the maximum cornering & braking accelerations of a car are simply mu*g (assuming no aerodynamic effects).
In that case, why do high performance cars have wide tyres? In theory the amount of grip available is independant of the area of the contact patch. Discussions with tyre engineers & race-car builders suggest there is more to it than this. More even than simply a need to ensure the tyre reaches an adequate temperature, but exactly what is this 'more'?
Does anybody have any quantitative information on how to design in the optimum width of a wheel for a particular purpose (in this case racing) when there have been no outside constraints put upon the design.
Consequently the maximum cornering & braking accelerations of a car are simply mu*g (assuming no aerodynamic effects).
In that case, why do high performance cars have wide tyres? In theory the amount of grip available is independant of the area of the contact patch. Discussions with tyre engineers & race-car builders suggest there is more to it than this. More even than simply a need to ensure the tyre reaches an adequate temperature, but exactly what is this 'more'?
Does anybody have any quantitative information on how to design in the optimum width of a wheel for a particular purpose (in this case racing) when there have been no outside constraints put upon the design.





RE: Tyre grip
See also 'Rubber Science & Technology' and other, for further in-depth and newest research results.
Sincerely,
Soeren Algreen-Ussing, Denmark
RE: Tyre grip
RE: Tyre grip
about this. It is long ,other wise I'd write it
here.
http://members.home.net/rck/phor/index.html