9BallBust-O said:
I saw this shot once and I thought it was pretty amazing even though its pretty basic. I have tried to do it as a drill but never have been able to do it. It was a stop shot and it stopped on a hair - it didnt move at all - and I was wondering if there was some trick to this at such a distance?
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In order for a cueball to stop dead in its tracks on contact with an object ball it must be sliding when it makes full on contact (no cut). Sliding means that the cueball is not rolling forward (follow) or backwards (draw). At very short distances, say 6" or less you can stroke the cue ball centerball with the cue as level as possible relative to the bed of the table and a medium stroke. The cueball will slide the full distance until it contacts the object ball full in the face and stop dead.
As the distance between the cueball and the object ball increases, friction from the cloth will make the cueball stop sliding, at which point the cueball will begin rolling forward (follow). There are two ways to keep this from happening:
1.) Shoot centerball as before but increase the speed of the stroke so that the cue ball is still sliding when it contacts the object ball (this works up to about 2' to 3' and is dependent on other factors such as type and condition of the cloth and cleanliness of the balls).
or: (my personal favorite choice)
2.) Apply a degree of draw (backspin) so that the cueball is initially moving down the line of the shot with backspin until friction overtakes the backspin and the cueball begins to slide into the object ball. (BTW any stroke below the horizontal center will impart draw, however in the above situation you should contact the cueball both below the horizontal center axis and along the vertical center axis.)
You can vary the amount of draw in #2 above by how far below center you stroke the cueball and the speed of stroke used.
You can learn just how much draw and speed to use thru practice. Set up a stop shot at varying distances along the length of the table and keep at it until you are able to stop the cueball dead on a full length of the table shot.
BTW, mastering the stop shot and the closely related stun shot (stop shot cueing at a slight angle) is an absolute prerequisite to being a competent player.
I hope this helps.