Badminton Proshop Shuttlehouse - Ship Worldwide

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Special technique for stringing rackets
The following is an explaination about our special technique for stringing rackets.

Get the best stringing from our experienced staff, no matter where you are from.

1. •Concept of stringing

Traditionally, badminton rackets were made from wood, and they generally could not support sting tension of more than 16 pounds. Those days, stringing was usually done by hand, and no machine was involved.
Nowadays, racket technology has greatly improved and the process of stringing is aided by the stringing machine. Racket and stringing machine technology we have these days first allows the rackets to withstand greater pressure, and allows us to add more string tension. String is also much stronger and more durable than before.
In our shop, we have our own special technique for stringing, and our stringing machines are one of the best models in the world from YONEX. Even if you are placing an order from overseas, please feel free to enquire about our stringing service.

2. The list of prices for stringing

While our main focus is on badminton, we are also very happy to offer stringing service for soft tennis. Please feel free to enquire about stringing for soft tennis rackets.
badminton=•1,080(included tax , not included string)
tennis=•1,620(included tax , not included string)
soft tennis=•864(included tax , not included string)
note: Special stringing prices are only available at the time of purchase of new rackets.
In the case of re-stringing, you need to pay for the both shipping charges and string.

3. String tension guide


•Guide to string tension for badminton rackets (in pounds)
pound 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
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•Guide to string tension for tennis rackets (in pounds)
pound 36 38 40 44 47 50 53 56 60 66 67
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Note: Tennis rackets have roughly a 100 square inch frame size.
Depending on the size of your racket frame, string tension should be increased by 1 pound for every 10 square inches the frame size is increased, and decreased by 1 pound every 10 square inches the frame size is decreased.

•Guide to string tension for soft tennis rackets (in pounds)
pound 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
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Note: Soft tennis rackets generally have a frame size of less than 90 square inches.
In the case of a racket with a frame size of over 100 square inches, increase string tension by about 2 pounds.

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The above list is not absolute and it is only a guide.
It can not be helped that there is a difference in the machine for the way to string by each shop Subtle differences in tension occur between stringers, based on different machines and stringing techniques.
The above tension guide applies to one-piece (2 knot) stringing on our YONEX machines.
For high tension, it is easy to damage the rackets or cut off the string, the racket get burden when high tension applies to the rackets.
In some cases our technical staff may refuse to string a customer's racket at a given tension because the racket cannot withstand such high tension, and it may cause damage to the racket.


4. Our stringing machine




Stringing machines are available in a number of configurations, supporting the racket frame at 2 points, 4 points or 6 points.
More fixed points can reduce burden on the racket however it takes a little more time for stringing.
Our YONEX machines support the frame at 6 points, providing the best support for your racket.
The main string is usually strung first, followed by the cross string (At SHUTTLE HOUSE we have adopted the one piece (2 knot) technique, by which it is possible to string main and cross strings virutally at the same time). Using other techniques, there is no problem tensioning the main string, but problems may occur when tensioning the cross string such as string breakage as the tension loosens. Much of this is avoided by using an electronically assisted stringing machine.
1. Using a mechanical, handle operated machine, each string is tensioned once and the machine locks out. It is important to bed the string in, but without using an electronic machine there is no opportunity to do this.

Handle operated machines are generally used by players for home use.
2. While they are good for private use, the handle operated machines are not suitable for business use.
3. Though electric machines are expensive, they keep constant tension on the string by computer control. This allows us to keep correct tension as the string beds in and loosens.
This way, it is possible to string with uniform tension overall.
We have used 5 different stringing machines at SHUTTLE HOUSE, but these days mainly use our 2 newest computer controlled electronic machines.
*made by YONEX ES5PRO

5. •Main current stringing technique, one piece (2 knot)

•Shuttle house uses the one piece (2 knot) stringing technique. If you want us to string conventional 2 pieces (4knot) especially, request to us in advance.
A small amount of loosening occurs using any technique when the ends of string are tied. This can be avoided if the string is pulled when releasing the string clamp, taking up some of the slack that is created. Compared with tying in four places, on both main and cross strings, the 2 knot method both lessens the amount of slack created in the string and better shares the load of the small amount which is created.
So, while the two piece (4 knot) method creates stress on the string, which can cause string breakage and deformation of the racket head,
one piece (2 knot) stringing techniqye alternatively greatly reduces string stress compared with 2 piece (4 knot) method.
Also, while not strictly a functional difference, the string that is visible outside of the frame decreases and a better look is achieved.
There are some disadvantages too, however.
2 knot stringing takes up to twice as long compared with the 2 piece (4 knot) method,
and some stress is put on the string by special tools used only for this method.
We string with care, and are careful to put as little stress as possible on the string as it shifts in the racket frame.
One piece (2 knot) stringing requires a special starting crimp tool.
Below you can see a guide to one piece (2 knot) following.

6. •The easy guide to one piece ( 2 knot) stringing

•Some trade secrets have been omitted. Thankyou for your understanding.

The contact point at the of top and bottom of the racket frame on the string machine is thin , so it can cause transformation or breakage at those points on the frame.
At SHUTTLE HOUSE regardless of the stringing technique used, one piece(2 knot) or 2 pieces (4 knot) we use attachments at these points, which reduce the load on the racket.
When tensioning the first string, the starting clamp is used to allow accurate tension to be applied to the string.
Main strings are tensioned first to help the racket head keep its shape when cross strings are tensioned.
After the main strings are all tensioned, we start the crosses.
For 1 piece (2 knot) stringing, the starting clamp is again used on the 'short' side, allowing use of both hinge clamps. We start by stringing a portion of the 'long' side.
If pulled by the machine too quickly, the cross string can cause damage to coating on the main strings and cause breakage etc..
To prevent this, we pull each cross slowly, and bed the string in either by hand or with a tool.
Lastly, we make sure all strings are correctly seated and the string mesh is even and well presented.

This is a picture of frame end side.
The 1 piece (2 knot) method creates a better looking racket because the string is only tied in two places.