The resulting force of the gesture depends on:
  • the speed ( the acceleration ) of the cue at the moment of impact
  • the length of penetration of the cue in the cue ball
  • the hand's position on the butt

TO PLAY WITH MORE OR LESS POWER

There are several methods to play with more power:
  • to move back the right foot thus the body lengthens on the billiard's table and the right hand thus moves back on the butt: the gesture will be fuller
  • to lengthen the part of the shaft beyond hand bridge, (that is to say the length of the filings)
  • to increase the speed of the gesture

To play with less power, just play with opposite parameters.

MATCHING FORCES

For a definite strength of the shot, depending upon the quantity of the played ball, the two balls will have different lengths of path.

It's possible to anticipate these paths.

NB :

See below: At a definite force of the gesture corresponds a length of the path of the played ball ( if it don't encounter any obstacle on its way )


QUANTITY OF
PLAYED BALL
FORCE
OF THE
STROKE
LENGTH
OF CUE
BALL
PATH
LENGTH
OF PLAYED
BALL
PATH
RATIO
CUE BALL PATH
/
PLAYED BALL PATH
On the board 100 CM 100 CM 0 CM minimum
1/4 ball 100 CM 75 CM 25 CM three times less long
1/3 ball 100 CM 66 CM 33 CM two times less long
1/2 ball 100 CM 50 CM 50 CM identical
2/3 ball 100 CM 33 CM 66 CM twice longer
3/4 ball 100 CM 25 CM 75 CM three times longer
Full 100 CM 0 CM 50 CM maximum

The length of the paths of the cue ball and the played ball depends upon the aimed quantity.

It is possible to foresee the movement of the two balls.

TO HARMONIZE THE PATH OF THE BALLS

With the help of the table above we can see the ratio between the lengths of the two paths.
In consequence, we can choose the aim according to this ratio

Here is two examples where the path of the 2 balls is harmonized by a proper aim:

TRICK 1:

In this natural shot ( see below ) , we have the possibility to aim from 1/3 to 3/4 ball.
The played ball path seems to be twice longer than the cue ball path.

Therefore, we aim 2/3 ball.



TRICK 2:

It's a natural shot direction ( see below ), we have the possibility to aim from 1/3 to 3/4 ball.
The played ball path seems to be three longer than the cue ball path.

Therefore, we aim 3/4 ball.

PRACTICAL APPLICATION

In practice, the ratio of the path is not always a whole number.

If we we need a ratio of 2,5 ( 10 CM the for the path of the cue ball and 25 CM for the path of played ball ), we must know look for the quantity to aim.

The final aim of quantity would be halfway between 2/3 ball (ratio = 2) and 3/4 ball (ratio = 3).


2/3 ball

aim:
1 CM inside
the played ball

ratio = 2

unspecified final aim

aim :
halfway betwen
2/3 and 3/4

ratio = 2,5
3/4 ball

aim:
1/2 radius inside
the played ball

ratio = 3
aim billiard ball aiming billiard ball aim billiard ball

Category : - Technic
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