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likwid
11-17-2005, 05:03 PM
is english only used when the cue ball is going to hit a rail? or is english effective while hitting the object ball aswell?

Jal
11-17-2005, 09:26 PM
<blockquote><font class="small">Quote likwid:</font><hr> is english only used when the cue ball is going to hit a rail? or is english effective while hitting the object ball aswell? <hr /></blockquote>For most shots english is used to alter the cueball's path off the rail. But there are some situations where it's useful even if the cushion may not be contacted. Before listing them let me define a couple of terms.

Inside english is pocket side english. On a cut shot to the left, it would be left english. Outside english is the opposite (right english on a left cut shot).

Throw is the deviation of the object ball from the direction of the line between the centers of the cueball and object ball at the moment of impact. It's caused by friction between the balls.

Here are some of the uses of english besides getting position off a rail:

-Altering the direction of the object ball with throw (friction) when interfering balls prevent you from contacting it where you normally would.

-Altering the post impact speed of the cueball. With outside english you can hit the object ball fuller and reduce the cueball's after impact speed. With inside english you can hit it thinner and increase the cueball's speed after impact. This technique is not too effective unless the balls are pretty close together (well under a foot apart) and the shot is nearly straight.

-Using throw to alter the direction of a frozen combo.

-Sending the cueball on a curved path to avoid interfering balls.

-Imparting spin to the object ball when banking it.

-Avoiding a double hit on the cueball when it's sitting very close to the object ball (inside english).

-Using outside english to reduce throw on normal cut shots. This is, imo, a debatable technique, although there's no question that the right amount of spin will reduce or eliminate throw.

-Using inside english ("get in english") on balls frozen to the cushion to help spin them in off the pocket's far jaw. This is controversial.

There are probably more which I can't think of at the moment.

Jim

dr_dave
11-18-2005, 09:46 AM
Jim,

Good post! For more information on some of your items, I've provided some useful links below with examples and sources for additional information. Also, for more details and other examples, see Chapter 4 and Sections 5.02, 6.05, 7.04, 7.05, and 7.09 in "The Illustrated Principles of Pool and Billiards" (http://www.engr.colostate.edu/~dga/pool/).

Regards,
Dave
<blockquote><font class="small">Quote Jal:</font><hr> <blockquote><font class="small">Quote likwid:</font><hr> is english only used when the cue ball is going to hit a rail? or is english effective while hitting the object ball aswell? <hr /></blockquote>For most shots english is used to alter the cueball's path off the rail. But there are some situations where it's useful even if the cushion may not be contacted.<hr /></blockquote>
<blockquote><font class="small">Quote Jal:</font><hr>Throw is the deviation of the object ball from the direction of the line between the centers of the cueball and object ball at the moment of impact. It's caused by friction between the balls.<hr /></blockquote>
For more information, see the links under "throw" in the threads summary area of my website (http://www.engr.colostate.edu/~dga/pool/threads.html).

<blockquote><font class="small">Quote Jal:</font><hr>Here are some of the uses of english besides getting position off a rail:
-Altering the direction of the object ball with throw (friction) when interfering balls prevent you from contacting it where you normally would.<hr /></blockquote>
For an example demonstration, see NV 4.15 (http://www.engr.colostate.edu/~dga/pool/normal_videos/NV4-15.htm).

<blockquote><font class="small">Quote Jal:</font><hr>-Using throw to alter the direction of a frozen combo.<hr /></blockquote>For a related demonstration, see NV 7.6 (http://www.engr.colostate.edu/~dga/pool/normal_videos/NV7-6.htm).

<blockquote><font class="small">Quote Jal:</font><hr>-Sending the cueball on a curved path to avoid interfering balls.<hr /></blockquote>For example demonstrations, see NV 7.11 (http://www.engr.colostate.edu/~dga/pool/normal_videos/NV7-11.htm) and NV 7.12 (http://www.engr.colostate.edu/~dga/pool/normal_videos/NV7-12.htm).

<blockquote><font class="small">Quote Jal:</font><hr>-Using outside english to reduce throw on normal cut shots. This is, imo, a debatable technique, although there's no question that the right amount of spin will reduce or eliminate throw.<hr /></blockquote>
For more information, see the links under "outside English" under "English" in the threads summary area of my website (http://www.engr.colostate.edu/~dga/pool/threads.html).

<blockquote><font class="small">Quote Jal:</font><hr>-Using inside english ("get in english") on balls frozen to the cushion to help spin them in off the pocket's far jaw. This is controversial.<hr /></blockquote>For a related (and more useful) demonstration, see NV 4.17 (http://www.engr.colostate.edu/~dga/pool/normal_videos/NV4-17.htm).