I have a mental block now post frame crack

Discussion in 'Stringing Techniques / Stringing Machines' started by 86golf, Jun 24, 2012.

  1. 86golf

    86golf Semi-Pro

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    A couple months ago, a relatively new Prince ExO3 Silver broke (9 o'clock) while I was tying off the mains. I couldn't determine it is any fault of mine. Now everytime I string I can't stop staring at the outside of the frame to see how much it is buldging. I get very anxious when I notice a frame buldging when I'm tensioning the last couple mains.

    I have a 6 pt Gamma progression electro and I've strung about 300 racquets. I've never been nervous about stringing until now. Some racquets flex more than others and I know it's normal for a racquet to deform some while you string, but is there any rule of thumb to avoid a future break. BTW, my client got a replacement from Prince and I strung it up with no problems, however it was warping like no other racquet I've seen. I really thought it was going to break too.
     
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  2. bugeyed

    bugeyed Semi-Pro

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    Uh, IMO if you can see the racquet "bulging" while stringing, something is wrong!
    Possibly the 12 & 6 oclock supports aren't secure. I am OK with a bit of frame expansion or compression relative to it's tightness in the mounts, but I would be concerned about any deformation that is visible.

    Cheers,
    kev
     
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  3. 000KFACTOR90000

    000KFACTOR90000 Professional

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    Last edited: Jun 24, 2012
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  4. 86golf

    86golf Semi-Pro

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    I strung it with a multi at 62 lbs. This particular racquet has the EXO bridge and it is so light compared to such a large head, I think it is predisposed to breaking. Now this has got me paranoid about stringing in general.

    I even notice my Head Instincts (LM vintage) swelling at 9,3 O'clock on the last two mains. Should I be worried about this? My mounts are secure and I haven't changed my process that I've used for 300+ racquets. How much buldge is normal?

    It would be good to know of any benchmarks for this. Next time I string, I'll take a measurement mounted, unstrung and then another when I tension the last main.. My guess is that some racquets are expanding by 4mm or more.
     
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  5. fortun8son

    fortun8son Hall of Fame

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    If it was the small frame piece in between the Exo sections, it may well be a defect/design flaw.
    I have seen a new, prestrung Exo3 Copper racquetball racquet come back to the store that had broken at 9 o'clock while playing. No other damage. Prince/Ektelon replaced it.
     
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  6. Clintspin

    Clintspin Semi-Pro

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    I have said it here before: I have never seen an oversize racquet that you can't see visibly move when you pull those last couple of mains and it doesn't matter whether you have 2 point, 4 point or 6 point mounts. You will, if you watch carefully, see the racquet give especially at the head.
     
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