On 5/1/2020 7:06 PM, wrote:
> Arlen Holder:
>
> So 725,000 sq mm approximates 1,224 sq in. internal area of your example tire.
>
> If a particular vehicle requires 32psi cold air pressure in that tire, that equates to 32 * 1,224sq. in = 39,168 total
> pounds of air pressure against the interior wall of that tire! Wow!
>
> If we increase that 32psi figure by 10%, that's 35.2psi.
>
> 35.2 x 1,224 = 39,564 total pounds of pressure against the wall of that same
> tire. An increase of only 1.01% in the total pressure against it.
>
> So much for my theory that each additional pound of air pressure exponentiates the total pressure imposed on
> the inside of that tire.
>

That's not how physics works. Pneumatic pressure acts
equally on all surfaces. For 35psi, it's 35psi on each part
of the surface of your closed figure- 35psi on the tire,
35psi on the rim - but 35psi only.

--
Andrew Muzi
<www.yellowjersey.org/>
Open every day since 1 April, 1971