[Joe K]

Originally Posted by pooch

Think of the tire pressure at 35 psi. To support a 2000 lb car requires 57.1 square inches of tread.

I have never ever heard of this equation in my life.

Sounds a bit made up to me.

Any facts on this available ?

Check out a lab experiment derived around this fact.

http://exploratorium.edu/snacks/tired_weight/index.html

Joe K