In article >,
Dan Abel > wrote:

> In article >,
> dsi1 > wrote:
>
>
> > The first time I used a pressure cooker, I was scared to death of that
> > thing blowing up and shooting shrapnel all over the kitchen. That was
> > pretty silly because the working pressure is less than half of your
> > standard passenger car tire. I was just a kid at the time and had to
> > learn how to use it by myself. It was odd that we would even have a
> > pressure cooker because my mom never used it.
>
> I like to play with simple math sometimes. Say you have a 12 inch PC.
> That's a radius of 6 inches, squared, times pi and times 15 psi is 1500
> pounds!

As opposed to how much for a tire?