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dr_dave
06-20-2008, 01:38 PM
FYI, I just posted another new collection of instructional videos. Most of them include super-slow-motion high-speed camera footage. I filmed the video for these clips a couple of days ago with the help of Tom Ross and Marc Frank in Denver. Marc provided the nice location and table. I look forward to your comments, feedback, disagreements, suggestions or requests for future filming, and/or questions. Here are the new clips:

NV B.30 - Cue ball position control with nearly straight-in shots (http://billiards.colostate.edu/normal_videos/new/NVB-30.htm)

NV B.31 - Using inside English and follow to beat a scratch and get down-table position (http://billiards.colostate.edu/normal_videos/new/NVB-31.htm)

NV B.32 - Squirt and the effects of endmass (http://billiards.colostate.edu/normal_videos/new/NVB-32.htm)

NV B.33 - back-hand swoop and twist ball-turn techniques (http://billiards.colostate.edu/normal_videos/new/NVB-33.htm)

HSV B.27 - carom draw shot with post-rail-rebound swerve around an obstacle ball (http://billiards.colostate.edu/high_speed_videos/new/HSVB-27.htm)

HSV B.28 - frozen-ball kiss, miscue, and push shots and fouls (http://billiards.colostate.edu/high_speed_videos/new/HSVB-28.htm)

HSV B.29 - small-gap force follow shot (http://billiards.colostate.edu/high_speed_videos/new/HSVB-29.htm)

HSV B.30 - cut-induced and spin-induced throw and spin transfer (http://billiards.colostate.edu/high_speed_videos/new/HSVB-30.htm)

HSV B.31 - classic "over-and-under-the-bridge" trick shot (http://billiards.colostate.edu/high_speed_videos/new/HSVB-31.htm)

HSV B.32 - cross-side bank shot double-kiss avoidance (http://billiards.colostate.edu/high_speed_videos/new/HSVB-32.htm)


FYI, all of my online instructional videos (NV and HSV) can be found here:

http://billiards.colostate.edu

Enjoy,
Dave

BigRigTom
06-22-2008, 01:14 PM
Dave is there a problem with the links or is is me.
I can't seem to get any of these video links to work for me.

dr_dave
06-22-2008, 10:58 PM
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: BigRigTom</div><div class="ubbcode-body">Dave is there a problem with the links or is is me.
I can't seem to get any of these video links to work for me.</div></div>Our college had a major power outage on Friday night and nobody was around to restart the servers. It looks like everything is working again.

Enjoy,
Dave

jt10ball
06-23-2008, 08:59 AM
Once again great job and thanks. On the CIT & SIT video with the inside english you said you get less. Is that less of both? I think this is a very important shot for people to understand because a lot of past instruction has taught players that the right inside english applied there would cause more throw. I believe it also explains that inside might be the most accurate method for pocketing such shots as no spin throws the ob off liine and you have to guess how much, with outside you will have to compensate for squirt maybe swerve and then throw, with inside you still have squirt and maybe swerve but have to guess less on the throw. I think this may be one of the physical reason why Efren shoots so many shots with inside, especially the ones he's closer too where you don't have to compensate for swerve?

I'm a big fan of inside and would like to see more players add more of it to their game. These videos of yours go a long way in helping them do so.

dr_dave
06-23-2008, 09:33 AM
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: jt10ball</div><div class="ubbcode-body">Once again great job and thanks.</div></div>Thanks Joe, and you're welcome.

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: jt10ball</div><div class="ubbcode-body">On the CIT & SIT video (http://billiards.colostate.edu/high_speed_videos/new/HSVB-30.htm) with the inside english you said you get less. Is that less of both?</div></div>Yes. Throw and spin transfer go hand in hand. You can't have one without the other. FYI, my March '07 article (http://billiards.colostate.edu/bd_articles/2007/march07.pdf) explains and illustrates why.

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: jt10ball</div><div class="ubbcode-body">I think this is a very important shot for people to understand because a lot of past instruction has taught players that the right inside english applied there would cause more throw.</div></div>It does for small cut angles.

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: jt10ball</div><div class="ubbcode-body">I believe it also explains that inside might be the most accurate method for pocketing such shots as no spin throws the ob off liine and you have to guess how much, with outside you will have to compensate for squirt maybe swerve and then throw, with inside you still have squirt and maybe swerve but have to guess less on the throw. I think this may be one of the physical reason why Efren shoots so many shots with inside, especially the ones he's closer too where you don't have to compensate for swerve?</div></div>That's the best thing about inside English: the throw is more consistent over a wide range of cut angles. FYI, I have some great plots that show this for all types of shots in my February '07 article (http://billiards.colostate.edu/bd_articles/2007/feb07.pdf).

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: jt10ball</div><div class="ubbcode-body">I'm a big fan of inside and would like to see more players add more of it to their game.</div></div>The physics certainly suggests it might be a good thing, provided one is good at compensating for squirt and swerve.

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: jt10ball</div><div class="ubbcode-body">These videos of yours go a long way in helping them do so.</div></div>Thanks. I think the articles are even more helpful.

Regards,
Dave

Hass
06-24-2008, 05:37 PM
Great stuff there...thanks!

Eric.
06-25-2008, 09:04 AM
Agreed. Those slo mo vids really give you a good look at what the balls are really doing, rather than guessing.


Eric

Qtec
06-27-2008, 09:18 AM
LOL. I must admit Dave, you got me. When that 8 ball swerved into the pocket I almost fell off my chair. LMAO

Good one.

Good vids D, haven't watched them all yet but i see your stroke is getting better.

Qtec

dr_dave
06-27-2008, 09:51 AM
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Qtec</div><div class="ubbcode-body">LOL. I must admit Dave, you got me. When that 8 ball swerved into the pocket I almost fell off my chair. LMAO</div></div>I'm glad you enjoyed it. That was my intent. The shot actually took a little practice (and the right amount of cut, speed, and English).

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Qtec</div><div class="ubbcode-body">Good vids D, haven't watched them all yet but i see your stroke is getting better.</div></div>I hope you're not referring to my "swoop and twist" stroke.

Regards,
Dave

brian_m
06-27-2008, 04:16 PM
really like the videos! now i have to go home where i have sound and watch them again. but i loved the last one with the bank hop off the rail and right into the pocket. i might have to start praticing that one!!

dr_dave
06-27-2008, 04:51 PM
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: brian_m</div><div class="ubbcode-body">really like the videos! now i have to go home where i have sound and watch them again. but i loved the last one with the bank hop off the rail and right into the pocket. i might have to start praticing that one!!</div></div>Nothin' but leather.

Dave

brian_m
06-27-2008, 06:27 PM
i just keep watching that over and over again. to get the target ball to jump like that is it all in the speed that it is hit at or are you using some kinda english or draw?

ive been known to hop a ball like that but its normally rocketing towards some unsuspecting bar patron unlucky enough to sit at a table within 20 yards of my pool table /forums/images/%%GRAEMLIN_URL%%/crazy.gif /forums/images/%%GRAEMLIN_URL%%/whistle.gif /forums/images/%%GRAEMLIN_URL%%/wink.gif

dr_dave
06-28-2008, 03:41 PM
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: brian_m</div><div class="ubbcode-body">i just keep watching that over and over again. to get the target ball to jump like that is it all in the speed that it is hit at or are you using some kinda english or draw?</div></div>
In HSV B.32 (http://billiards.colostate.edu/high_speed_videos/new/HSVB-32.htm), it's all about cue elevation (don't need too much) and speed. The CB must be in the air slightly when it hits the OB (see the side view in the video). A center-all hit is adequate.

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: brian_m</div><div class="ubbcode-body">ive been known to hop a ball like that but its normally rocketing towards some unsuspecting bar patron unlucky enough to sit at a table within 20 yards of my pool table /forums/images/%%GRAEMLIN_URL%%/crazy.gif /forums/images/%%GRAEMLIN_URL%%/whistle.gif /forums/images/%%GRAEMLIN_URL%%/wink.gif</div></div>The pool physics gods can be cruel and sometimes hard to please. /forums/images/%%GRAEMLIN_URL%%/crazy.gif

Regards,
Dave