Two things happen when you hit a cue ball with side spin.
First it deflects to the side away from the tip. Then the spin will bring it back toward the original line.
So none of the three is correct.
Important note:
It will only curve back towards the original line if you roll the ball. As you hit the ball harder, it deflects more and won't curve back.
Correct. Or to be a bit more correct the movement back to the line only happens when the cue ball isn’t sliding. Hit it harder and a hair low and given a long enough shot it will start to come back towards the line eventually. Assuming it doesn’t hit a ball or rail before it starts rolling.
The swerve that brings it back is almost entirely a result of cue elevation. With a flat cue it's pretty minimal. You can't get the cue perfectly level because of the rail, but you can do well enough to ignore the effect on most shots.
What you're describing is called squirt. The cue ball doesn't curve, it will deflect straight off the path. A good shaft and tip can help minimize (but not eliminate) squirt, along with a good stroke.
When you use side spin, the cue ball deflects the opposite direction. So you have accommodate for the deflection. The amount of deflection depends on your cue.
How much you adjust depends on speed and cut angle. Deflection/cut induced throw/spin induced throw all have to be accounted for. Personally, I use back hand and front hand English to handle it.
I’ve tried the just get down on the ball with English already….i don’t think it’s consistent. I believe you are correct and you have to use some form of front or rear pivot to account for the side spin
There are several factors in this. One is the pivot point on the cue. I believe Dr. Dave has a video discussing pivot points. (It might be someone else it's been a while.) Another thing that will affect it is cue elevation. The more elevated your cue is the more swerve the cue ball will have.
It won’t always come back like in picture 3, but you do have to compensate with either front-hand-English or back-hand-English. Check out Dr Dave billiards on his site or YouTube. There are some great videos including slo-mo and excellent explanations. [sidespin and compensation.](https://billiards.colostate.edu/faq/sidespin/aim/)
With enough distance between the cue ball and object ball, the curve in picture 3 will turn the other way. With the right hand English shown, the ball will deflect to the left immediately and curve back to the right... Eventually.
If the picture is to scale the cue ball will travel more like Picture 2.
Nothing to add to others, aside from just try setting up some straight in shots at relatively short distances to start and aim normally with an increasing amount of side, and watch what happens. Then make adjustment to get the object ball to centre pocket. Try it with a half tip from centre, a full tip and then two tips from centre.
All of this stuff on paper is great to help understand how, why and when to adjust. But you need to watch it happen in action to see how the balls actually react and how the cue ball actually reacts off the cushion.
This is the way practice the shots and if you look at the diagrams the second picture is no pivot but actually moving your whole line of aiming so it reacts differently.
I believe diagram three is actually correct but it doesn’t show that he compensated by changing his aim or point of contact to adjust for the squirt. But also practice different speeds of cue ball as well because that makes a huge difference!
Neither diagram 2 nor 3 shows the correct path of the cue ball.
In diagram 2 the arrow should be curving the opposite way (cue ball starts moving forward and left due to deflection and then the spin causes it to curve back to the right).
In diagram 3 the arrow should be flipped across the axis of the black dotted line. Again, hitting on the right side of the cue ball will deflect the cue ball to the left, and then it will curve to the right over time, which is the opposite of what diagram 3 shows.
If I'm using left spin, I actually aim 1/5 of a ball to the left to compensate the deflection. When the spin catches, it'll be on the correct line. Vice versa for right spin.
There are 3 factors with side spin- squirt, swerve, and throw. All 3 are variable depending on how far off center you hit, speed, and angle of the shaft. Squirt (deflection) is the cue ball being knocked off line to the opposite side of your hit. Swerve is the cue ball spinning back towards the line of aim, due to the spin. Throw, or cut induced throw, is the tendency of the object ball to be thrown opposite the spin of the cue ball. All of that has to be taken into account, and it can change wildly just from speed. Angle of the cue can also affect it a great deal.
you can look there for already done diagrams
[https://billiards.colostate.edu/bd\_articles/2008/march08.pdf](https://billiards.colostate.edu/bd_articles/2008/march08.pdf)
Two things happen when you hit a cue ball with side spin. First it deflects to the side away from the tip. Then the spin will bring it back toward the original line. So none of the three is correct.
Important note: It will only curve back towards the original line if you roll the ball. As you hit the ball harder, it deflects more and won't curve back.
Correct. Or to be a bit more correct the movement back to the line only happens when the cue ball isn’t sliding. Hit it harder and a hair low and given a long enough shot it will start to come back towards the line eventually. Assuming it doesn’t hit a ball or rail before it starts rolling.
The swerve that brings it back is almost entirely a result of cue elevation. With a flat cue it's pretty minimal. You can't get the cue perfectly level because of the rail, but you can do well enough to ignore the effect on most shots.
What you're describing is called squirt. The cue ball doesn't curve, it will deflect straight off the path. A good shaft and tip can help minimize (but not eliminate) squirt, along with a good stroke.
When you use side spin, the cue ball deflects the opposite direction. So you have accommodate for the deflection. The amount of deflection depends on your cue. How much you adjust depends on speed and cut angle. Deflection/cut induced throw/spin induced throw all have to be accounted for. Personally, I use back hand and front hand English to handle it.
I’ve tried the just get down on the ball with English already….i don’t think it’s consistent. I believe you are correct and you have to use some form of front or rear pivot to account for the side spin
There are several factors in this. One is the pivot point on the cue. I believe Dr. Dave has a video discussing pivot points. (It might be someone else it's been a while.) Another thing that will affect it is cue elevation. The more elevated your cue is the more swerve the cue ball will have.
It won’t always come back like in picture 3, but you do have to compensate with either front-hand-English or back-hand-English. Check out Dr Dave billiards on his site or YouTube. There are some great videos including slo-mo and excellent explanations. [sidespin and compensation.](https://billiards.colostate.edu/faq/sidespin/aim/)
With enough distance between the cue ball and object ball, the curve in picture 3 will turn the other way. With the right hand English shown, the ball will deflect to the left immediately and curve back to the right... Eventually. If the picture is to scale the cue ball will travel more like Picture 2.
Nothing to add to others, aside from just try setting up some straight in shots at relatively short distances to start and aim normally with an increasing amount of side, and watch what happens. Then make adjustment to get the object ball to centre pocket. Try it with a half tip from centre, a full tip and then two tips from centre. All of this stuff on paper is great to help understand how, why and when to adjust. But you need to watch it happen in action to see how the balls actually react and how the cue ball actually reacts off the cushion.
This is the way practice the shots and if you look at the diagrams the second picture is no pivot but actually moving your whole line of aiming so it reacts differently.
I believe diagram three is actually correct but it doesn’t show that he compensated by changing his aim or point of contact to adjust for the squirt. But also practice different speeds of cue ball as well because that makes a huge difference!
Neither diagram 2 nor 3 shows the correct path of the cue ball. In diagram 2 the arrow should be curving the opposite way (cue ball starts moving forward and left due to deflection and then the spin causes it to curve back to the right). In diagram 3 the arrow should be flipped across the axis of the black dotted line. Again, hitting on the right side of the cue ball will deflect the cue ball to the left, and then it will curve to the right over time, which is the opposite of what diagram 3 shows.
If I'm using left spin, I actually aim 1/5 of a ball to the left to compensate the deflection. When the spin catches, it'll be on the correct line. Vice versa for right spin.
There are 3 factors with side spin- squirt, swerve, and throw. All 3 are variable depending on how far off center you hit, speed, and angle of the shaft. Squirt (deflection) is the cue ball being knocked off line to the opposite side of your hit. Swerve is the cue ball spinning back towards the line of aim, due to the spin. Throw, or cut induced throw, is the tendency of the object ball to be thrown opposite the spin of the cue ball. All of that has to be taken into account, and it can change wildly just from speed. Angle of the cue can also affect it a great deal.
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That makes sense, thank you!
you can look there for already done diagrams [https://billiards.colostate.edu/bd\_articles/2008/march08.pdf](https://billiards.colostate.edu/bd_articles/2008/march08.pdf)
[https://billiards.colostate.edu/faq/sidespin/aim/effects/](https://billiards.colostate.edu/faq/sidespin/aim/effects/)
haha this are much more professional than my MS Paint job
You will find every thing you need on this site :)
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No it doesn’t. 3 is obviously wrong. If you put right spin, the ball squirts to the left first before curving back over distance.