From: xenolith@optusnet.com.au   
      
   On 4/5/20 3:28 am, Paul in Houston TX wrote:   
   > thekmanrocks@gmail.com wrote:   
   >> Strangest Tire Question EVERRR...   
   >>   
   >> Has anyone ever calculated or estimated the area, in square   
   >> inches/square cm, of the *surface of the inside* of a tire?   
   >>   
   >> Does at least an average exist out there, for broad categories:   
   >> passenger car, SUV-light truck, and commercial truck?   
   >>   
   >> Just curious, Thanks!   
   >   
   > Entering footprint into the argument.   
   > My car's GVW is 3800 lbs so each tire supports 950 lbs (ideally).   
   > If a my tire has a footprint of 6"x6" = 36" sq, and if each sq in has a   
   > pressure of 36 psi, then the psi total of the footprint is 1296 lbs.   
   > Oddly enough my car tire's max load rating is 1295 lbs.  Push on it with   
   > an area and it will push back equally.   
   > The rest of the tire area is at 36 psi and is irrelevant since it does   
   > not support anything.   
      
   Lower the tyre pressure and see what happens to the sidewalls.   
      
   --   
      
   Xeno   
      
      
   Nothing astonishes Noddy so much as common sense and plain dealing.   
          (with apologies to Ralph Waldo Emerson)   
      
   --- SoupGate-Win32 v1.05   
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