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  1. Imran Sayyed is offline
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    TTD Member 4 75
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    Imran Sayyed is offline
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    TTD Member 75 4
    #1

    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 .

    Sent from my SM-T815 using Tapatalk

  2. Tony's Table Tennis is offline
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    Master TTD Member 2,405 3,489
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    Tony's Table Tennis is offline
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    Master TTD Member 3,489 2,405

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    Sep 2013
    South Africa
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    #2
    see if it spins evening
    or spin it on a table and see the vibration
    or play with it and feel it

    The Following User Likes Tony's Table Tennis's Post:

    UpSideDownCarl

    BYE BYE

  3. Archosaurus is offline
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    Master TTD Member 1,219 2,080
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    Master TTD Member 2,080 1,219
    #3
    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.

    The Following User Likes Archosaurus's Post:

    UpSideDownCarl


  4. Tinykin is offline
    says , "the older I get, the craftier I become"
     
    Elite TTD Member 1,073 1,298
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    Tinykin is offline
    says , "the older I get, the craftier I become"
     
    Elite TTD Member 1,298 1,073
    #4

    A roundness gauge perhaps?

    Wonder if this would work for a TT ball


    Or maybe you need to make a roundness gauge like this:
    My table tennis club in Bristol, England
    http://bristol-cssc-tabletennis.weebly.com/

  5. ttmonster is offline
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    Master TTD Member 4,421 3,681
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    Master TTD Member 3,681 4,421
    #5
    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 09:15 PM.

  6. Der_Echte is offline
    says Grand Consultant to the Office of the Goon Squad
     
    Master TTD Member 10,893 10,630
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    Der_Echte is offline
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    #6
    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.
    President, Korea Foreign Table Tennis Club. Hit us up on TTD or Facebook
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