dr dave please read.

S

sr 9ball

AzB Silver Member
Silver Member
these r my thoughts and tell me what u think please.
ld shafts reduce deflection by getting the cue ball off the tip faster. and everyone including myself say that by using the ld shafts u lose your feel of the shot. im thinking that because in a standard shaft it holds onto the cue ball longer. it seams like its easier to control. kind of like volleyball. when u set the volleyball up for the spiker, if u catch the ball first or just hold on the ball a little longer with your fingers it would be alot easer to control the ball, but its illegal. does this make any since to u?
i just switched back to my standard shaft when ive been using a 314-2 for about to years. i can stear that cue ball anywhere on the table now again. like i have a gift or something. when using the ld shaft it was always like guess work. i just never really understud deflection and thats why i missed the long "hard stroke" with english shots sometimes. i feel like i can shoot like jesse bowman in controlling the cue ball and directing other balls on breakouts. i know im crazyfor thinking so but i really think i could.
thanks for your time
scott
 
"ld shafts reduce deflection by getting the cue ball off the tip faster."

It would be interesting to see what Dr Dave would say about this....SPF=randyg
 
sr 9ball said:
ld shafts reduce deflection by getting the cue ball off the tip faster.
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Huh?

sr 9ball said:
land everyone including myself say that by using the ld shafts u lose your feel of the shot.
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What?

sr 9ball said:
im thinking
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Stop.

sr 9ball said:
because in a standard shaft it holds onto the cue ball longer.
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Eh?

sr 9ball said:
kind of like volleyball.
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No, nothing like volleyball. Pool/Volleyball = Apples/Oranges. Hell, Apples/Bricks

sr 9ball said:
when u set the volleyball up for the spiker, if u catch the ball first or just hold on the ball a little longer with your fingers it would be alot easer to control the ball, but its illegal. does this make any since to u?
Click to expand...

None.

sr 9ball said:
i just never really understud deflection
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or spelling, or pool, or volleyball.

lol.
 
Last edited:
12squared said:
A little brutal, don't you think? :wink:
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That is what I was thinking too. Fellow asked a question that deserves an answer. Some may understand the physics better and that is a real question given his understanding.

Seems to me that it is better to encourage rather than discourage thoughtful questions regardless of the OP's knowledge.
 
12squared said:
A little brutal, don't you think? :wink:
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ROFLMAO. I inserted a "lol." in there??? should I master the "smileys" better when being playful? I thought locking a freshman in the locker would be funny ?

JoeW said:
That is what I was thinking too. Fellow asked a question that deserves an answer. Some may understand the physics better and that is a real question given his understanding.

Seems to me that it is better to encourage rather than discourage thoughtful questions regardless of the OP's knowledge.
Click to expand...

Im not discouraging him. Im glad he's curious. Be even more excited when he's interested enough to use the "search button".

I did give him a positive "rep" hit for asking and having a sense of humor.

lol.
 
Beware_of_Dawg said:
ROFLMAO. I inserted a "lol." in there??? should I master the "smileys" better when being playful? I thought locking a freshman in the locker would be funny ?
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A little brutal, yes.

But the "apple/brick" statement made me laugh out loud, and the "freshman in the locker" about sent me out of my chair.

Thanks.
 
for the life of me i can't seem to find this youtube video that i saw awhile back. it was really good. basically the guy hits a shot to demonstrate deflection then puts a vice grip on the end of the shaft, clamps it down then deflects the ball like 3 diamonds, illustrating shaft-end mass contributing to deflection. I think it also demonstrating clamping vice grip to joint area and having no noticeable impact. it was cool and informative video.

As an experiment for yourself, try taping some lead or something heavy to the end of your cue and notice the change in deflection regardless of whether or not its an LD shaft.

Tip contact time does not vary noticeably even based on tip hardness let alone shaft flex. For your statement to be true, you would have to be assuming that a high deflection shaft would be flexing so much that the cue ball doesn't leave the tip until significantly later than normal because of this flex.

The cue ball simply doesn't weigh enough to prompt this logic. Maybe if it were a medicine ball then this would matter.

Since the thread is calling out dr. dave, i think it would be really cool to glue a tip onto a fishing rod and measure tip contact time with the cue ball using something that would flex like a mofo. I would love to see that result. I would do it, but i don't have that super awesome camera equipment. :cool:
 
Sorry for the delayed response. I've been out of the country the last two weeks (awesome vacation in New Zealand). Low-squirt (low cue ball deflection) shafts reduce squirt because they have less end mass. For more info (with lots of articles, explanations, and video demonstrations), see:


The cue ball doesn't come off the tip faster or slower with a low-squirt cue. I think "control" and "feel" and "hit" and "playability" are very subjective and can be totally different from one person to the next. Although, low-squirt cues do have disadvantages for some people. For more info, see:


Regards,
Dave

sr 9ball said:
these r my thoughts and tell me what u think please.
ld shafts reduce deflection by getting the cue ball off the tip faster. and everyone including myself say that by using the ld shafts u lose your feel of the shot. im thinking that because in a standard shaft it holds onto the cue ball longer. it seams like its easier to control. kind of like volleyball. when u set the volleyball up for the spiker, if u catch the ball first or just hold on the ball a little longer with your fingers it would be alot easer to control the ball, but its illegal. does this make any since to u?
i just switched back to my standard shaft when ive been using a 314-2 for about to years. i can stear that cue ball anywhere on the table now again. like i have a gift or something. when using the ld shaft it was always like guess work. i just never really understud deflection and thats why i missed the long "hard stroke" with english shots sometimes. i feel like i can shoot like jesse bowman in controlling the cue ball and directing other balls on breakouts. i know im crazyfor thinking so but i really think i could.
thanks for your time
scott
Click to expand...
 
~jj~ said:
for the life of me i can't seem to find this youtube video that i saw awhile back. it was really good. basically the guy hits a shot to demonstrate deflection then puts a vice grip on the end of the shaft, clamps it down then deflects the ball like 3 diamonds, illustrating shaft-end mass contributing to deflection. I think it also demonstrating clamping vice grip to joint area and having no noticeable impact. it was cool and informative video.

As an experiment for yourself, try taping some lead or something heavy to the end of your cue and notice the change in deflection regardless of whether or not its an LD shaft.
Click to expand...
FYI, here are some videos demonstrating the effect:


~jj~ said:
Tip contact time does not vary noticeably even based on tip hardness let alone shaft flex. For your statement to be true, you would have to be assuming that a high deflection shaft would be flexing so much that the cue ball doesn't leave the tip until significantly later than normal because of this flex.

The cue ball simply doesn't weigh enough to prompt this logic. Maybe if it were a medicine ball then this would matter.

Since the thread is calling out dr. dave, i think it would be really cool to glue a tip onto a fishing rod and measure tip contact time with the cue ball using something that would flex like a mofo. I would love to see that result. I would do it, but i don't have that super awesome camera equipment. :cool:
Click to expand...
See Diagram 3 in my August '08 article. It shows how stiffness is not as important as mass.

Regards,
Dave
 
Dave,How was your trip down under?
On newyears eve, I saw model pulse jet do 211 mph on a steel line going round in circles.Then at midnight,they flew a slower jet at about 160 mph. Really awsome to see.

Neil
 
cycopath said:
Dr Dave, did you get to hit any balls while in New Zealand?
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I played only once. As Randy pointed out, there isn't a lot of pool in New Zealand (although, I can speak only about the South island, where I was). All tables I saw (in a few bars) were 8-foot pool tables with smaller balls and snooker-style (rounded) pockets. I had forgotten how difficult it is to send a ball down a rail into a rounded-wall pocket. Rail cut shots required near-perfect aim at slow speed.

Another interesting feature on the tables was a large piece of cloth hanging down from the foot rail. The cloth is flipped onto the table surface under the rack when loading the balls to help reduce wear and dirt on the playing surface. The cloth is removed when the rack is placed in the final position. Is this common in Europe and elsewhere with both pool and snooker tables? I hadn't seen it before.

Regards,
Dave
 
conetip said:
Dave,How was your trip down under?
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Awesome. My wife and I are very outdoorsy, and New Zealand has great hiking (tramping, as they call it), sea kayaking, and fishing. It was also summer there, which was a nice break from the Colorado winter. We had a great time.
conetip said:
On newyears eve, I saw model pulse jet do 211 mph on a steel line going round in circles.Then at midnight,they flew a slower jet at about 160 mph. Really awsome to see.
Click to expand...
Cool.

Regards,
Dave
 
dr_dave said:
... Another interesting feature on the tables was a large piece of cloth hanging down from the foot rail. The cloth is flipped onto the table surface under the rack when loading the balls to help reduce wear and dirt on the playing surface. The cloth is removed when the rack is placed in the final position. ...
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I have seen a piece of cloth attached to the triangle so that it almost automatically goes under the balls when racking. As the triangle is pushed forward, the cloth stays near the foot rail.
 
In the North Island, most tables have the cloth at the end as Dave mentioned, but alot of bars, have the cloth on the rack as well. I think it is there,so no excuse for not protecting the table. It came about when they 1st bought pool and snooker tables to NZ. They were a very expensive item and it was seen as a way to make the cloth last longer.
Neil
 
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