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Thread: Stringing the Top Cross String
08-24-2005, 06:34 AM #1
Stringing the Top Cross String
The guy who does the stringing of my racket is unable to string the topmost cross string till the hole where Yonex original strings are. He does it till one hole lower. The reason is that the clamp he uses to hold on to the strings is not small enough to go into the small space left between the racket frame at the top and the topmost string. Please let me know if there is a way to get over this problem. Are there smaller sized clamps available? Is there a specific technique to string the topmost cross which this guy probably is not aware of?
08-24-2005, 08:59 AM #2Originally Posted by iMakk
The only way i can think, is to get narrower clamps just for the top cross. I have 2 original flying clamps coming with the machine, which is a good solution for the above issue.
08-24-2005, 09:50 AM #3Originally Posted by LazyBuddy
It is same as the Klippermate except pn-3091 is diamond-coated.
I was stringing my NS8K last night, I used a 6pt machine and it was not an issue. However, I do see it as an additional issue for M140 on the cross starting knot. Since the starting knot is on A5, it is covered by the holding pad on the top. This will be a problem from AT800 and NS7000 also.
LB, any good idea beside a starting clamp?
08-24-2005, 11:57 AM #4Originally Posted by silentheart
08-24-2005, 12:27 PM #5Originally Posted by LazyBuddy
Here is a story for you on the NS8000. Some stringer use 1 piece method on the NS. However, they string 22 cross through the T tide off for the main because is not used. Just a warning for those who use 1 piece method. It makes the overall racquet feel differernt.
08-24-2005, 01:34 PM #6Originally Posted by silentheart
1. Give 2lb extra when tension the last cross.
2. Use the machine to help tie off the knot.
This way, it might not guarantee the very accurate lb on the last piece, at least, it can minimize the tension loss.
08-25-2005, 02:43 AM #7Originally Posted by iMakk
08-29-2005, 01:13 AM #8
Thanks for the advice all of you. One more question - Is it safe to string the cross strings starting fromtop and then going to bottom rather than bottom to top (as most people do)? I want to know from an "impact on the racket" perspective - Does it make a structural difference to the racket if crosses are strung top to bottom. I am told that the top portion of the racket is the weakest and hence the question.
If it is safe to tighten top first and then move to bottom, then my problem is resolved without having to change the clamps. I can ask the stringer to begin from the top.
08-29-2005, 01:42 AM #9Originally Posted by iMakk
08-29-2005, 02:29 AM #10
Top-to-bottom method works well if you do low-to-medium tension, 20 lbs 25 lbs. Once you reach high-tension, it's preferrable to string from the middle, 50-50 technique. Bottom-to-top also work well at high tension. From my experience, the top part of the frame is weaker than the bottom part. You get more distortion if you start from the top. The area around the shared grommets at the top is greatly compressed inward at very high tension.
I am in a similar situation as you are and am forced to work from top-to-bottom. Until I modify my machine I am stuck with top-to-bottom.
Originally Posted by iMakk
Last edited by Pete LSD; 08-29-2005 at 02:39 AM.
08-29-2005, 03:05 AM #11Originally Posted by Pete LSD
Starting the crosses from the bottom may compress the lower frame inwards less but the stress is then transferred towards the top of the frame, with an outward movement. The top frame is weaker than the bottom frame and may crack more easily from this outward distortion.
However if you have a 6-point machine, this is a moot point as the protection of a 6-point system can handle almost all types of abuse you throw at it.
08-29-2005, 03:10 AM #12
Stringing the crosses from the centre for high tension stringing is a good idea if you have a 2-point machine. But you cannot have a real starting knot with this technique. At very high tensions this technique loses a lot of tension, with two tie-off knots and no starting knot.
08-29-2005, 03:19 AM #13
Actually, there is a way to maintain most of the tension under the 50-50 technique for both the cross knots, and main knots . No Awl and no counter tug of war are involved .
Originally Posted by taneepak
08-29-2005, 03:25 AM #14Originally Posted by Pete LSD
08-29-2005, 03:32 AM #15
No, this method involves two independent strings looped to the knot strings and tensioned.
Originally Posted by taneepak
Last edited by Pete LSD; 08-29-2005 at 03:36 AM.
08-29-2005, 03:33 AM #16
This is from laserfibre's site:
Myth: 6-Point mounting with outside bracing provides the best racquet support.
Fact: Not true. Typical 6-point mounting, using very narrow inside racquet supports at the 12 and 6 o’clock positions and 4 outside braces, is a reactive system. This means that the narrow supports at the head and throat can cause the racquet to bend and distort greatly when the main strings are tensioned. This created stress forces a need for additional outside braces to attempt to counter (react to) the distortion and in order to stop the racquet from breaking. 6-point mounting systems do provide adequate support and protection to the racquet during stringing. However, it is now believed by some that the stresses of repeated and frequent restrings of a single racquet on many 6-point systems may lead to premature fatiguing of the racquet and shorten its optimum performance life.
Even though the racquet doesn't bulge out under the six-point system, it doesn't mean stress is not transferred to the bottom..
Originally Posted by taneepak
Last edited by Pete LSD; 08-29-2005 at 03:38 AM.
08-29-2005, 03:58 AM #17Originally Posted by Pete LSD
However, Lasefibre is just expressing an opinion. They should explain a little more.
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