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David G. Alciatore, PhD ("Dr. Dave") ILLUSTRATED PRINCIPLES "Throw Part V: SIT speed effects"

Summary: David G. Alciatore, PhD ("Dr. Dave") ILLUSTRATED PRINCIPLES
"Throw Part V: SIT speed effects"
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. See the website for details.
This is the fifth of a series of articles concerning "throw" 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, and the basics of spin-induced throw. All of
my past articles are available on my website (billiards.colostate.edu) if you want to refer back to
them. 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 the 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
NV 7.5 Frozen ball throw
NV 7.6 Frozen cue-ball throw


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


Collections: Engineering