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How to choose a Badminton String and String Tension

Posted by Yumo Pro Shop on

Before you choose a badminton string, here are some basic facts on string tension that you should keep in mind.
  • All strings stretch, like elastic, and therefore your strings will begin to lose tension (known as "tension creep") starting from the day it is strung.

  • Every racket has a “sweet spot.” This is an area on the string bed which will give you the most power.

  • Beginners lack the technique and is more likely to mis-hit the shuttle on the wrong part of the string bed, therefore it is recommended that they use a lower tension because the lower the tension, the bigger the sweet spot.

  • A higher tension will provide more power and control only if you can consistently hit the sweet spot. The downside is that the strings will break more easily if a mis-hit occurs because of how tight the strings are being stretched.

  • As a player becomes more consistent and has good technique, they will benefit more from a higher tension because the shuttle will travel off the string bed faster, giving them control of the shuttle.


For those that might be confused or don't have the time to read, here is a summary of those points:

Low string tension
-larger sweet spot
-less control (shuttle stays on string bed longer)
-more power (looser string bed propels shuttle)
-more durable, less likely to break on mis-hits
-good for beginners


High string tension
-smaller sweet spot
-more control (shuttle stays on string bed for a shorter time)
-more power (only if you can hit the sweet spot)
-less durable, more likely to break on mis-hits
-good for intermediate to advanced players

 

As you may have noticed, there is a recommended string tension on every racket.  They usually have a few different ranges depending on the racket itself, 17-22, 20-27, etc...  This recommendation is there to ensure that the racket does not break when stringing.  People who choose to go over the limit may subject their racket to damage under the immense pressure from the high tension of the strings.  Professional players ofter string way outside the recommendation at 30lbs+ .  These players are sponsored and do not have to pay for their rackets if it breaks so unless you are sponsored, I would not recommend stringing outside the recommended tension and to do so at your own discretion.  The recommended tension is also there for warranty purposes.  If you string inside the range and you break your racket from hitting the frame, you will be qualified for warranty and can get a replacement.  Stringing outside the range will void the warranty.

A common mistake most people make is to string at too high of a tension because of their ego.  Since it is harder to generate power at high tensions, the player will often use excessive force in order to generate power and may result in an injury to the shoulder or they may develop tennis elbow.

Here is a suggestion for string tension for different levels of players:

  • Beginner :  17lbs-20lbs
  • Intermediate:  20lbs-24lbs 
  • Advanced:  24lbs-27lbs
  • Professional/International:  27lbs – 30lbs+

 

For those that play with plastic shuttles, it is recommended to lower your tension by 1-2lbs.  A plastic shuttle generally requires more effort to clear to the baseline because they fly differently compared to feather shuttles.  Lowering the string tension will give you the extra power that you need to help you with clears.

  

To choose a badminton string, you should take note of your playing style as different strings will help with certain aspects of the game.

 

 Different strings are made with different materials that give them their unique characteristics.  
Here are the string technologies/material and their description:

Cup-Stack Carbon Nanotube:
Advanced construction minimizes notching of the string at intersections for greater durability and high repulsion power.


Vectran
The Vectran high-strength and high-elasticity spiral winding prolongs durability and racket stringing tension.


Hydro Titanium
Compound titanium hydride coating provides not only a sharp feel at impact but increased durability.


MultiFilament
YONEX MultiFilament featuers a super-fine diameter for high durability and a soft feel on impact.

 
Note that the string diameter also plays a role in durability as well.  Thinner strings will be more prone to breakage than thicker strings.


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3 comments

  • Pretty accurate and concise. Excellent explanation.

    Madaboutbad on
  • Thank you for explanation

    aditya on
  • Thanks for your ecplaination.I’m new begginers & it’ll help me so far to know more about string tension. And it’ll help not only me every one who want to know about string tension.Because most of intermediate & advance player may not know about it usually except the professional.Your explanation make me able to improve my skills with keep my rackets in safe & durable.

    Bhaskar Protim Handique on

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