Badminton racket balance

The balance point of a badminton racket is just a parameter used to indicate whether the racket is biased towards head-heavy or head-light performance. Tong Yang is a 3u racket, why do some rackets feel more difficult to swing and smash the ball more powerfully; some rackets are easier to swing and quicker to return. This is why the weight of the racket is concentrated on the head or not.

But the balance is not a

An indicator that reflects the real weight of the racket head. After the racket is bought, it will be put on the ball line and wrapped with hand glue. At this time, the balance point has changed. But this does not substantially change the weight of the racket head.
Whether the head of the racket is light or heavy is actually determined after the production process is completed. Ti-10 2U old color is a famous head-heavy racket. Just think, will this racket become a light racket because of the addition of hand glue? Take a look at the explanation below and think about it.

Everyone should have a certain concept of leverage mechanics. In the principle of leverage, there are negative focus, heavy arm, fulcrum, force arm, and force application point. When swinging the racket, the “negative weight” is on the head, the “fulcrum” is on the thumb (not the balance point), and the “force point” is below the thumb. The weight we feel when we swing the racket is the weight extending from the fulcrum (where the thumb is pressed) to the head of the racket; while the weight of the handle and the glue falls on the moment arm between the fulcrum (thumb) and the point of application Above, the weight of this section will not cause the weight of the swing. So wrapping the hand glue will not constitute a physical change of “the weight of the racket head is reduced”. The balance point parameters provided by the manufacturer are only reference values. The addition of hand glue did move the balance point of the racket toward the handle, but the real weight of the head didn’t go away.

Ok, back to the previous question: Will the old Ti-10 2U color become a light racket because of the addition of hand glue? The answer is no, its performance is still a head-heavy racket.
We test the balance point by placing the racket shaft on a finger and moving it left and right to a balanced state. The position where the finger supports the racket shaft is the so-called “balance point of the racket”. It’s also a form of leverage, but it’s not the lever we use in our swing.

The balance point obtained by doing this balance point test is not a correct way to measure the real weight of the racket head. We can only use this method to compare two rackets, in the same state, which one has the heavier head.

For example, a 3u Arc-7 and a 3u MP99, both rackets are in the state of empty racket and original hand glue, you can use the above test method, the result will find that the balance point of Arc-7 is relatively close For the handle, the balance point of the MP99 is closer to the head. This way we know that the MP99’s head is heavier than the Arc-7.

If one of the racquets is additionally covered with hand glue, then the other racquet should be wrapped with the same weight of hand glue before doing the test. This is a correct test method. If it is the same racket, it is a wrong approach to compare the balance point after the rubber and before the rubber. As for adjusting the balance point by adding or subtracting weights on the handle, it is also a fallacy.

As mentioned above, the weight felt when swinging comes from the head and shaft, not the handle. This means that any addition or subtraction of weight on the handle will not constitute a change in the actual weight of the racket head. This just causes the head of the racket to be lighter or heavier than the handle, and the change in this relative relationship will not change the feel of the ball.

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