XPost: comp.os.linux.misc   
   From: robin_listas@es.invalid   
      
   On 2025-12-11 12:23, Daniel70 wrote:   
   > On 10/12/2025 1:09 am, The Natural Philosopher wrote:   
   >> On 09/12/2025 11:57, Daniel70 wrote:   
   >>> On 9/12/2025 9:08 pm, The Natural Philosopher wrote:   
   >>>> On 08/12/2025 22:39, rbowman wrote:   
   >>>>> On Tue, 9 Dec 2025 00:20:38 +1100, Daniel70 wrote:   
   >>>>>   
   >>>>>> I usually put it down to my Tyres being under-inflated, so their   
   >>>>>> diameter is less so it takes more revolutions of the tyre to   
   >>>>>> cover a specified distance.   
   >>>>>   
   >>>>> I don't think under inflation would change the diameter enough to   
   >>>>> throw the speed off that much. In my case the diameter of the 14"   
   >>>>> wheels is noticeably less than the 15". I see that in the spring   
   >>>>> when I'm going back to the 15". If I jack the car up enough so the   
   >>>>> 14" leaves the ground and I can remove it sometimes I have to jack   
   >>>>> a little more to get the 15" on.   
   >>>>>   
   >>>> There is no such thing as diameter on a tyre. It isn't circular.   
   >>>> Might as well ask yourself 'what is the diameter of a tank track'   
   >>>>   
   >>>> What counts is circumference and the tyre is elastic enough to expand   
   >>>> a little under high pressure.   
   >>>   
   >>> .... and that pressure would get higher due to usage heating the tyre.   
   >>>   
   >>>> And to wear a little lower.   
   >>>   
   >>> ... which would reduce the tyres diameter, so decreasing the Ground   
   >>> speed.   
   >>   
   >> THE TYRE HAS NO DIAMETER., It is not circular.   
   >>   
   > Say WHAT?? Is it elliptical or something??   
      
   It flattens where it touches the tarmac.   
      
      
   --   
   Cheers, Carlos.   
   ES🇪🇸, EU🇪🇺;   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)