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David Alciatore ("Dr. Dave") ILLUSTRATED PRINCIPLES "Throw Part X: the big picture"
 

Summary: David Alciatore ("Dr. Dave") ILLUSTRATED PRINCIPLES
"Throw Part X: the big picture"
Note: Supporting narrated video (NV) demonstrations, high-speed video (HSV) clips, and
technical proofs (TP) can be accessed and viewed online at billiards.colostate.edu. The
reference numbers used in the article help you locate the resources on the website. If you
have a slow or inconvenient Internet connection, you might want to view the resources
from a CD-ROM or DVD. See the website for details.
This is the tenth article in my series dealing with "throw" and English effects. So far, I've
looked at basic terminology, examples of where throw can help you or hurt you in game
situations, the effects of cut angle and speed, the effects of follow and draw, spin-induced throw,
the difference between inside and outside English, the combination of spin- and collision-induced
throw effects, and spin transfer. If you want to refer back to any of my past articles, they are all
available on my website (billiards.colostate.edu). To refresh your memory, throw is change in
the object ball direction due to sideways forces between the cue ball (CB) and object ball (OB)
during impact. NV 4.15, 4.16, 7.5, and 7.6 show examples of both collision-induced throw
(CIT) and spin-induced throw (SIT). See the video demos and previous articles for more
information.
normal video
NV 4.15 Using throw to make a partially blocked shot
NV 4.16 Over-cutting a cut shot to compensate for throw

  

Source: Alciatore, David G. - Department of Mechanical Engineering, Colorado State University

 

Collections: Engineering