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    Thread: Checking a ball

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      Imran Sayyed is offline
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      Checking a ball

      Hello everyone,
      My question is how to check a ball if it is good to play. By this i dont mean if the company of the ball is good or bad . I want to know how to check if a ball is completely round. I can spin the ball on my nails as well if that could help.how to know if the ball has any dents on it. Thank you .

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      Tony's Table Tennis is offline
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      see if it spins evening
      or spin it on a table and see the vibration
      or play with it and feel it
      BYE BYE

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      UpSideDownCarl (03-12-2017)

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      Archosaurus is offline
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      Put it onto a table or something else flat, grab it with your fingers and put a side/top spin on it. Sometimes you notice something weird.

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      UpSideDownCarl (03-12-2017)

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      Tinykin is offline
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      A roundness gauge perhaps?

      Wonder if this would work for a TT ball


      Or maybe you need to make a roundness gauge like this:
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      ttmonster is offline
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      I would spin it on the table to check if its wobbling .. however if there is a hidden crack or if one side of the ball has become soft , I normally press it on the table with the paddle with a little pressure , of course not with such pressure that a good ball will break under it, and rotate it , if it has a hidden crack the ball collapses
      Last edited by ttmonster; 03-13-2017 at 10:15 PM.

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      Put ball on flat surface, open palm and press down with 100kg down force on ball, cracks will become quicklt evident.

      Usually you hear those on the boune, realize warped balls by bounce and spin on table test.
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