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Search: Posts Made By: Patrick Johnson
Forum: Main Forum Today, 10:38 AM
Replies: 21
Views: 575
Posted By Patrick Johnson
Good advice - thanks. pj chgo

Good advice - thanks.

pj
chgo
Forum: Ask The Instructor Today, 10:09 AM
Replies: 25
Views: 633
Posted By Patrick Johnson
Yes, just not in the ratios you suggested. ...

Yes, just not in the ratios you suggested.

pj
chgo
Forum: Main Forum Today, 10:05 AM
Replies: 47
Views: 1,703
Posted By Patrick Johnson
Yes, that's partly how I know that squirt and...

Yes, that's partly how I know that squirt and throw have nothing to do with each other.

Maybe you should give that studying thing a try... it doesn't hurt as much as you might think.

pj
chgo
Forum: Main Forum Today, 09:58 AM
Replies: 157
Views: 9,984
Posted By Patrick Johnson
Nonsense. Gravity doesn't stop working when I'm...

Nonsense. Gravity doesn't stop working when I'm awake.

pj
chgo
Forum: Main Forum Today, 09:56 AM
Replies: 21
Views: 575
Posted By Patrick Johnson
For more serious cleaning - has anybody tried a...

For more serious cleaning - has anybody tried a rug shampooer on Simonis (or any cloth)? Thinking of giving this a try on a table with good condition cloth that has lots of stains.

pj
chgo
Forum: Aiming Conversation Yesterday, 11:22 AM
Replies: 550
Views: 11,531
Posted By Patrick Johnson
So does the ghost ball "contact patch". pj ...

So does the ghost ball "contact patch".

pj
chgo
Forum: Main Forum Yesterday, 07:31 AM
Replies: 47
Views: 1,703
Posted By Patrick Johnson
When do you expect him to start playing with a...

When do you expect him to start playing with a cue he doesn't like?

pj
chgo
Forum: Main Forum Yesterday, 04:50 AM
Replies: 47
Views: 1,703
Posted By Patrick Johnson
No, it doesn’t. Squirt doesn’t allow you to...

No, it doesn’t.

Squirt doesn’t allow you to put the CB anywhere it can’t go without it.

pj
chgo
Forum: Main Forum Yesterday, 12:59 AM
Replies: 47
Views: 1,703
Posted By Patrick Johnson
?? Squirt and throw have nothing to do with...

??

Squirt and throw have nothing to do with each other.

I don’t think squirt does anything except complicate aiming.

pj
chgo
Forum: Main Forum 01-25-2020, 07:06 PM
Replies: 47
Views: 1,703
Posted By Patrick Johnson
I hear ya. But it's not one-sided - there...

I hear ya.

But it's not one-sided - there are plenty of examples of assumed superior cue performance that are really just preference. That doesn't mean the cue isn't important - just that there's...
Forum: Main Forum 01-25-2020, 02:36 PM
Replies: 47
Views: 1,703
Posted By Patrick Johnson
I don't get it. Since you can make the CB go the...

I don't get it. Since you can make the CB go the same direction with or without CB deflection (and any other kind of spin) by simply aiming there with the required adjustment, what's CB deflection...
Forum: Main Forum 01-25-2020, 01:59 PM
Replies: 47
Views: 1,703
Posted By Patrick Johnson
Usually not 'til the next morning for me. pj...

Usually not 'til the next morning for me.

pj <- too much info?
chgo
Forum: Main Forum 01-25-2020, 01:28 PM
Replies: 32,493
Views: 21,091,457
Posted By Patrick Johnson
Don't think it's gonna work... 539792

Don't think it's gonna work...

539792
Forum: Main Forum 01-25-2020, 08:56 AM
Replies: 19
Views: 736
Posted By Patrick Johnson
You realize he's typing, not actually playing...

You realize he's typing, not actually playing pool, while he's "thinking about all these variables"...?

pj
chgo
Forum: Main Forum 01-25-2020, 08:54 AM
Replies: 19
Views: 736
Posted By Patrick Johnson
Something similar... I tend to get too...

Something similar...

I tend to get too comfortable just dropping into the shot with whatever side spin and squirt adjustment are needed. Over time all cue positions start to look like all the...
Forum: Ask The Instructor 01-24-2020, 07:20 PM
Replies: 25
Views: 633
Posted By Patrick Johnson
I agree - it's simple, intuitive and can be very...

I agree - it's simple, intuitive and can be very useful. Thanks for pointing it out.

pj
chgo
Forum: Ask The Instructor 01-24-2020, 03:18 PM
Replies: 25
Views: 633
Posted By Patrick Johnson
No, it's mostly not. For a stunned CB (as...

No, it's mostly not.

For a stunned CB (as we've been discussing), the OB travels anywhere from 1/10 more than your rule of thumb (for very thin hits) to 7 times farther (for very thick hits). For...
Forum: Ask The Instructor 01-24-2020, 12:08 PM
Replies: 25
Views: 633
Posted By Patrick Johnson
Except that's not the rule. The rule is CB...

Except that's not the rule. The rule is CB remaining fraction of original speed + CB/OB overlap fraction (not OB speed) = 1.

As described above, CB outgoing speed + OB outgoing speed = more than...
Forum: Ask The Instructor 01-23-2020, 11:57 AM
Replies: 25
Views: 633
Posted By Patrick Johnson
Yes, I agreed with that (first sentence in my...

Yes, I agreed with that (first sentence in my post) - only clarifying the OB's speed (which isn't as important to your point).


Agreed again.

pj
chgo
Forum: Ask The Instructor 01-23-2020, 09:40 AM
Replies: 25
Views: 633
Posted By Patrick Johnson
Dr. Dave's calculations...

Dr. Dave's calculations (https://billiards.colostate.edu/technical_proofs/TP_3-2.pdf) confirm what you say about a stunned CB: its after-collision speed is 1 minus the overlap fraction times its...
Forum: Ask The Instructor 01-23-2020, 01:34 AM
Replies: 25
Views: 633
Posted By Patrick Johnson
I believe the CB/OB speed ratios are affected by...

I believe the CB/OB speed ratios are affected by the CB’s vertical rotation. For example a rolling CB travels the same distance as the OB after a half ball hit (30 degree cut), but a stunned CB...
Forum: Main Forum 01-22-2020, 08:03 PM
Replies: 32,493
Views: 21,091,457
Posted By Patrick Johnson
Nah. The kid obviously knows the “hit” is coming...

Nah. The kid obviously knows the “hit” is coming and rolls with it, and then falls into a space in the floor. The bookshelf and tv are presumably cardboard.

Good stunt though...

pj
chgo
Forum: Main Forum 01-22-2020, 06:48 PM
Replies: 7
Views: 503
Posted By Patrick Johnson
lol pj <- not in a stereotyping way or...

lol

pj <- not in a stereotyping way or anything
chgo
Forum: Ask The Instructor 01-22-2020, 05:39 PM
Replies: 25
Views: 633
Posted By Patrick Johnson
Fast and hard are the same thing. How fast/hard...

Fast and hard are the same thing. How fast/hard you hit the shot is about how far you want the CB to go. There's usually no reason to want the OB to go fast.

pj
chgo
Forum: Non Pool Related 01-22-2020, 03:30 PM
Replies: 12
Views: 230
Posted By Patrick Johnson
That'll Show 'Em

EDIT: Sorry, didn't know about the new rule against political memes.

pj
chgo
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