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Search: Posts Made By: dr_dave
Forum: Main Forum Today, 01:00 PM
Replies: 83
Views: 2,537
Posted By dr_dave
He put in the countless hours and years it takes...

He put in the countless hours and years it takes to master his "personal style" of play. Most of us aren't able to put in that amount of time, not do we have his level of natural talent.

Solid...
Forum: Main Forum Yesterday, 08:38 PM
Replies: 83
Views: 2,537
Posted By dr_dave
A good example of this effect is demonstrated...

A good example of this effect is demonstrated here:

jump shot over cut effect (https://billiards.colostate.edu/faq/jump/over-cut/)

This can also cause overcutting of close-range follow shots.
...
Forum: Main Forum Yesterday, 02:32 PM
Replies: 83
Views: 2,537
Posted By dr_dave
Nice, Dave.[/quote]Thanks. Sounds good to...

Nice, Dave.[/quote]Thanks.

Sounds good to me. This is definitely one of the important points of the video.

Regards,
Dave
Forum: Main Forum Yesterday, 01:58 PM
Replies: 83
Views: 2,537
Posted By dr_dave
FYI, Myth 3 resulted in a lot of discussion and...

FYI, Myth 3 resulted in a lot of discussion and debate on YouTube and Facebook, so I decided to do a follow-up video. Check it out:

NV J.26 Cue Ball Control Subtleties Pool Myth Follow-up...
Forum: Main Forum Yesterday, 08:51 AM
Replies: 22
Views: 767
Posted By dr_dave
So Platinum (who produced the data) didn't use a...

So Platinum (who produced the data) didn't use a level cue? I suppose that's inevitable if you're testing on a table with rails.[/quote]Honestly, I don't know. I just assumed so since the numbers...
Forum: Main Forum Yesterday, 08:32 AM
Replies: 725
Views: 363,570
Posted By dr_dave
Thanks for the info. FYI, I've updated you entry...

Thanks for the info. FYI, I've updated you entry in the table.

Regards,
Dave
Forum: Main Forum Yesterday, 08:09 AM
Replies: 22
Views: 767
Posted By dr_dave
Got it. But to be clear, the "pivot points" in...

Got it. But to be clear, the "pivot points" in the shaft comparison table (https://billiards.colostate.edu/faq/squirt/published-data/#platinum) mentioned earlier (and in your plots) are not natural...
Forum: Main Forum Yesterday, 05:18 AM
Replies: 22
Views: 767
Posted By dr_dave
Net CB deflection (combined effects of squirt and...

Net CB deflection (combined effects of squirt and swerve) and effective pivot length depends on too many factors (shot speed, shot distance, cue elevation, type and amount of spin, and cloth...
Forum: Main Forum 07-19-2019, 01:58 PM
Replies: 40
Views: 925
Posted By dr_dave
You know, you could post a few favorites here in...

You know, you could post a few favorites here in this thread instead of just shamelessly flogging your site.

Lou Figueroa
just sayin'[/QUOTE]I like them all ... that's why I put in the time and...
Forum: Main Forum 07-19-2019, 11:35 AM
Replies: 40
Views: 925
Posted By dr_dave
Lou, FYI, over many years, I've compiled a...

Lou,

FYI, over many years, I've compiled a bunch of famous quotes that relate to a wide range of pool categories here:

Top 100 Maxims, Sayings, and Quotes...
Forum: Main Forum 07-19-2019, 10:40 AM
Replies: 22
Views: 767
Posted By dr_dave
I do not have an update to the shaft comparison...

I do not have an update to the shaft comparison table (https://billiards.colostate.edu/faq/squirt/published-data/#platinum), nor do I plan to do one in the foreseeable future, but anybody can easily...
Forum: Main Forum 07-19-2019, 08:50 AM
Replies: 22
Views: 767
Posted By dr_dave
FYI, the Revo in the video on the natural pivot...

FYI, the Revo in the video on the natural pivot length (https://billiards.colostate.edu/faq/cue/natural-pivot-length/) resource page was a 12.4.

FYI, some people think your bridge length should...
Forum: Main Forum 07-19-2019, 06:06 AM
Replies: 118
Views: 2,853
Posted By dr_dave
I am sure everybody, even the "Science Guys," can...

I am sure everybody, even the "Science Guys," can agree with this 100%.

I am sure everybody, even the "Science Guys," can agree with this 100%.

Exactly!

All good pool players have a very...
Forum: Main Forum 07-18-2019, 02:45 PM
Replies: 50
Views: 838
Posted By dr_dave
And any force that the grip hand might be...

And any force that the grip hand might be exerting on the cue during contact would be too small to have any meaningful effect anyway compared to the extremely large force between the cue tip and CB. ...
Forum: Main Forum 07-18-2019, 02:38 PM
Replies: 50
Views: 838
Posted By dr_dave
The fact that cue speed drops by about 40%...

The fact that cue speed drops by about 40% actually is a very good indication that the weight of the arm doesn't contribute meaningfully to the impact. Given a cue that's 3x as heavy as the ball and...
Forum: Main Forum 07-18-2019, 10:18 AM
Replies: 50
Views: 838
Posted By dr_dave
If people want to see this in action, see: ...

If people want to see this in action, see:

HSV B.40 Stroke speed and acceleration analysis, with Bob Jewett (https://billiards.colostate.edu/high-speed-video/hsv-b-40/)

Enjoy,
Dave
Forum: Main Forum 07-18-2019, 10:16 AM
Replies: 50
Views: 838
Posted By dr_dave
Randy, Here's a complete analysis: TP...

Randy,

Here's a complete analysis:

TP A.30 The effects of cue tip offset, cue weight, and cue speed on cue ball speed and spin...
Forum: Main Forum 07-18-2019, 10:00 AM
Replies: 83
Views: 2,537
Posted By dr_dave
The bouncing and vibration of the shaft after the...

The bouncing and vibration of the shaft after the hit doesn't bother me because I know it is not occurring until the CB is already gone. For visual proof, check out the 2:32 point in part 2...
Forum: Main Forum 07-18-2019, 09:12 AM
Replies: 83
Views: 2,537
Posted By dr_dave
I think it's important to point out that while...

I think it's important to point out that while the actual amount of backspin is less due to friction on the cloth, the forward speed of the cue ball is reduced by more so the spin/speed ratio is...
Forum: Main Forum 07-17-2019, 02:42 PM
Replies: 118
Views: 2,853
Posted By dr_dave
It sounds like he might be trying to practice...

It sounds like he might be trying to practice shots or techniques he is not yet ready for. But having said that, I don't see anything wrong with learning techniques or shots from well-done...
Forum: Main Forum 07-17-2019, 01:35 PM
Replies: 118
Views: 2,853
Posted By dr_dave
That's a bit ridiculous. Nobody who wants to...

That's a bit ridiculous. Nobody who wants to play well "thinks about the science" when they are planning or executing a shot; although, the knowledge-based intuition provided by science or...
Forum: Main Forum 07-17-2019, 01:32 PM
Replies: 83
Views: 2,537
Posted By dr_dave
What about this: Two draw shots, same cue stick...

What about this: Two draw shots, same cue stick speed, same off center hit, but one cue stick is more or less level and the other is jacked up at about 30. Would the jacked up cue stroke produce...
Forum: Main Forum 07-17-2019, 12:31 PM
Replies: 83
Views: 2,537
Posted By dr_dave
OMG, I'm famous now! It almost makes up for all...

OMG, I'm famous now! It almost makes up for all those shots I still miss :D[/QUOTE]Wait a minute.

You miss shots? :eek:

I might need to take down your quote.

Regards,
Dave

PS: ...just...
Forum: Main Forum 07-17-2019, 11:29 AM
Replies: 83
Views: 2,537
Posted By dr_dave
Again, the following illustration from the cue...

Again, the following illustration from the cue elevation effects (https://billiards.colostate.edu/faq/draw/cue-elevation/) resource page might be helpful.
...
Forum: Main Forum 07-17-2019, 09:18 AM
Replies: 118
Views: 2,853
Posted By dr_dave
And having played with a Meucci and some of the...

And having played with a Meucci and some of the original 314 shafts do I know and have to factor in that with those that I'm going to get more spin? Yes.[/QUOTE]It might not matter to you, but based...
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