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  1. #35
    Regular Member visor's Avatar
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    Hairspray update:

    Masked out the frame and sprayed 2-3 quick layers onto each side of the strings mostly around the sweetspot. Dried to touch in 30 secs. Felt noticeably rougher to touch as compared to unsprayed areas. However, with stronger scraping with fingernails, the layer comes off noticeably.

    On playing tonite, slicing and angle control was excellent initally! Felt like I was playing with VS850... . However, repulsion and power was also noticeably reduced, like I was playing with VS850. After about 10 minutes of play, the effect gradually wore off, and gradually the hallmark repulsion of NGB98 returned. And so did the annoying slippery feeling.

    Hmmm... going to have to try a more adhering spray next.

    .
    Last edited by visor; 04-24-2013 at 02:25 AM.

  2. #36
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    Quote Originally Posted by zombie0517 View Post
    While R4X100 is a good string, it feels differently to NBG98. Coating isn't particularly rough either, and it loses tension rather quickly.
    that is queer, because i've been using r4x100 and 110.. they hold tension quite decently (24x26).. and the texture of the strings are super rough! one of the roughest/grippiest i've ever used.

  3. #37
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    Quote Originally Posted by visor View Post
    actually, thinking about it some more, I can just spray only one side of the racket... thus, I have one side for power and the other for control... now I just have to find a way to keep track of which is which in the middle of a heated rally exchange
    put a bulge or something on one side of your grip

  4. #38
    Regular Member j4ckie's Avatar
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    Grip it like I do - with a slight bulge on the grip cap on one side (where your index finger usually is). Helps to keep track of which side is which and also where to grip on serves and around the net

  5. #39
    Regular Member visor's Avatar
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    Alcohol rub:

    Someone suggested this on page 1, and I tried it a few days ago. Wiped down the strings with a paper towel dampened with 99% rubbing alcohol. The result was a slightly rougher surface when felt with the hand. And playing had better slicing and control for those angled shots. Power felt just a tad less than I remember when it was fresh.

    Now that the string has developed notches and fraying after 16 hrs of play, perhaps that affects the power and maybe control too?
    Last edited by visor; 05-07-2013 at 05:28 PM.

  6. #40
    Regular Member j4ckie's Avatar
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    The tension drop should be the biggest influence on the power after 16 hrs...I had a set on my Bs12, but it didn't survive yesterday's session. :S

  7. #41
    Regular Member j4ckie's Avatar
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    Having strung the Bs12 with the very rough ZM67, I can't help but feel the "slick = power" theory has some merit. The ZM67, being rougher than the Bg80 I have on my Bs09 and the BG66 I have on my Trinity 2, feels much less repulsive. :S

  8. #42
    Regular Member visor's Avatar
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    Quote Originally Posted by j4ckie View Post
    Tension drop should be the biggest influence on the power after 16 hrs...I had a set on my Bs12, but it didn't survive yesterday's session. :S
    I checked... there has been a drop of only 20 Hz over past 3 wks, so only half a pound drop at most. So, unlikely related to that.

    I postulate that there is less power now that the strings are less free to slide over each other since notching and fraying has developed. Still thinking slippery=power.

    In that sense, I think zm strings are amazingly outstanding not only for the krazy tension retention due to the strong core, but also for the strong outer jacket that only dents but not
    notch and fray.

    I have a set of zm62 on my xp70 that still plays and feels the same now after 30+ hrs of play as on the first day it was strung.
    Last edited by visor; 05-08-2013 at 10:56 AM.

  9. #43
    Regular Member visor's Avatar
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    Quote Originally Posted by j4ckie View Post
    Having strung the Bs12 with the very rough ZM67, I can't help but feel the "slick = power" theory has some merit. The ZM67, being rougher than the Bg80 I have on my Bs09 and the BG66 I have on my Trinity 2, feels much less repulsive. :S
    You know what would be the best of both worlds... if we can somehow design or alter strings so that the intersections are slippery while the other parts are rough.

  10. #44
    Regular Member j4ckie's Avatar
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    Quote Originally Posted by visor View Post
    I checked... there has been a drop of only 20 Hz over past 3 wks, so only half a pound drop at most. So, unlikely related to that.

    I postulate that there is less power now that the strings are less free to slide over each other since notching and fraying has developed. Still thinking slippery=power.

    In that sense, I think zm strings are amazingly outstanding not only for the krazy tension retention due to the strong core, but also for the strong outer jacket that only dents but not
    notch and fray.

    I have a set of zm62 on my xp70 that still plays and feels the same now after 30+ hrs of play as on the first day it was strung.
    Sadly I cannot say the same about my Zymaxes. The tension loss is pretty incredible, more than the BG66UM, the BG80, and pretty comparable to the BG65 and 65Ti.
    I think I'm actually gonna cut the Zm67 on my Bs12 to re-try with a 13/13.5kg and 15% pre-stretch, maybe I'll get at least decent tension retention and repulsion that way...

    Modding so that only the intersections are slippery is impossible as the sliding across each other means that they'll slide over the rest of each other as well
    The only real difference to a rougher string is that you can't give the shuttle any real extra spin, but other than that it's all about adapting. You'll definitely be able to play slice shots with a slippery string, although they'll have a slightly less steep flight as they don't get the extra spin (spin meaning the shuttle rotating around it's axis of symmetry, btw).

  11. #45
    Regular Member visor's Avatar
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    ^ What? Perhaps there is something wrong with your batch of zm? Zm should not lose tension like bg65 or bg66um, nor should it require prestretch, which may actually irreversibly damage the elasticity of the core.

    Perhaps change to a better stringer? ... hehe

  12. #46
    Regular Member j4ckie's Avatar
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    The tension loss was a constant with my roll of Zm65 and seems to be the same with my Zm67. Do you string yourself? If not, you might actually get your rackets back after the first significant drop and only have a little when you play (the harder the pre-stretch, the less tension loss).
    I know a hard pre-stretch negatively influences the elasticity of the string, but for me the soft feeling I get when I play a non-PS or barely PS string a couple sessions (after about 6-7 hrs court time, mostly) is even worse.
    Had a nice comparison again today between the 13/13.5 BG80 and the 13 ZM67, and the ZM pings significantly lower (being pretty much the same freshly strung) and feels soft and near-dead.
    Incredibly weird. The Zm65 did lose tension, but never had this kind of numbness before the 3-week mark.

  13. #47
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    Well I wouldn't go as far as saying Zymaxes are as bad as BG65 (I think they retain tension just as good as say BG80), but theres NO WAY my racquets could keep the same tension or only drop 20hz after a few weeks. Im assuming the higher the tension, the more it is prone to drop.

  14. #48
    Regular Member visor's Avatar
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    http://www.badmintoncentral.com/foru...string-tension

    I do monitor my stringbed tension. See thread above.

    One zm62@22x23lbs on a xp70 that I've monitored:
    1165 Hz immediately after the stringer removed from the machine (I was there, and no I don't string my rackets )
    1135 Hz at day 1
    1115 Hz after about first 6 hrs play
    1100 Hz after about 20 hrs of play
    1093 Hz today, after about 30 hrs of play

    So as you can see, only a 72 Hz drop over 2 months with all those hrs of play. Which amounts to about 1.5-2 lbs of tension loss.

    With vs850, it would've been 150 Hz in total loss.

    PS. Perhaps it's the stringer's technique... he does 4 knots and adds extra 1-2 lbs nearer to the tie-offs.
    Last edited by visor; 05-08-2013 at 09:00 PM.

  15. #49
    Regular Member j4ckie's Avatar
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    I do 4 knots as well.....but don't add tension on the tie-offs as the frame is already weak enough in those areas as it is. No risk at 22-23lbs though

  16. #50
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    Quote Originally Posted by j4ckie View Post
    I do 4 knots as well.....but don't add tension on the tie-offs as the frame is already weak enough in those areas as it is. No risk at 22-23lbs though
    Yeah, I usually have to lower the tension at the cross tie offs Dont wan't to go past 28-29 lbs on that last cross

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