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rec.autos.tech

Technical aspects of automobiles, et. al

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Message 115,736 of 117,728

dpb to dpb

Re: Need help buying tires , 55 to 50

04 Apr 20 10:28:49

   XPost: alt.home.repair   
   From: none@none.net   
      
   On 4/4/2020 9:30 AM, dpb wrote:   
   ...   
      
   >  >> fnDrim(17,225,55)/fnDrim(17,225,50)   
   > ans =   
   >      1.0343   
   >  >>   
   >   
   > So there's only roughly a 3% difference in overall diameter instead of   
   > 10% because the rim diameter is the bulk of the overall dimension, not   
   > just the section height.   
   ...   
      
   Just noticed was 215, not 225.  Minimal difference but for the record...   
      
    >> fnD(17,215,55)/fnD(17,215,50)   
   ans =   
        1.0332   
    >>   
      
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