wide wheels with rather narrow tires

[Stephen Bigelow]

> What is tramlining? And a narrow tire is better?

Tracking on cracks or ridges in the road.

How do you say? Doesnt
> it make sense that the stiffest widest tire possible will give the most
> dry traction? More rubber contact to the ground, and least amount of
> flex?

Least sidewall flex, yes. More rubber on the road, no.

Contact patch size is a function of wheel loading and tire pressure.
Contact patch shape is a funtion of wheel width, tire width, tire pressure
and wheel loading.




>
> Erik Ringelberg wrote:
> >
> > All,
> >
> > There is a ratio for width of tire and rim. Graph: On the same rim with
> > increasing tire sizes there is a traction curve that declines to the
right,
> > with increasing comfort. It also falls off hard on the left when the
tire
> > width is not sufficient to deal with the heat of the car's cornering. So
> > relative narrow is better, up to a point. It also reduces tramlining for
a
> > given rim width. (A wider tire will tram more.)
> >
> > This is all theory. A stiff sidewall R-tire will work best at the widest
> > width you can cram on. (see hoosier).
> >
> > Erik
> >
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