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    Ball movement and accuracy - 12.5 vs 12.9 diameter tip

    The effects that people 'notice' with shaft diameter changes are to do with the natural pivot point changing and where they bridge. They have nothing to do with what you are saying. Just take a practice ball and compare the contact point size for these two different sized tips and you will see...
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    Playing sober, can’t do it

    I have a similar story. I stopped smoking marijuana and went up at least 150 fargo points in 4 years. After being stagnent forever. I have a friend who plays and he has been stagnent this whole time. I've told him quit smoking the weed and drinking or you will never get better. He insists...
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    Scott Frost's opinion about Predator tables

    Obviously they dont see valley as a real competitor because the tables are junk and considered 2nd rate.
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    Diamond Pro-Am question

    Humidity?
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    I record myself playing pool...

    i record myself using all of the above
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    How to track cue ball movement?

    Lens distortion is definitely a problem as you have identified. It will definitely have an effect on solution I am about to suggest if the camera is fish-eye. Of course there are software solutions to fix fish-eye, however. So basically I think that it can be done with a single camera using...
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    Optical Flow Density with Open CV

    I think for slower speeds you can get a close to exact speed. For faster speeds you use AI. Basically you want to look at cueball distortion (The cueball should look more ovalish the faster it is going). To do this you want to setup a high speed camera and a low speed camera. Shoot a bunch...
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    Eagle eye and sightright

    I have seen the videos and use it. You do not have to start with your foot on the line to do it the way I am suggesting. Just look at Mark Wilson because he is clearly doing it. Steven is doing it his own way. Look at the finals of the recent world championship Mark Wilson won. He is...
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    Eagle eye and sightright

    They say to stand perpendicular to the shot line and hold the cue across your body as a starting point. The videos are purposely vague so you have to pay for their instruction.
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    Eagle eye and sightright

    They might not describe it but it is clearly being done if you watch some videos of Mark Williams and Stewart Bingham. Basically, this step needs to be performed this way or the shift from standing perpendicular to the shot line with the cue across your chest to having the cue on the shot line...
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    Is a Cue with Less Squirt or Cue Ball Deflection Better?

    Performing air pivots consistently takes a lot of practice. For me I was good at it off the bat and just got better with practice/refinement. When performing the air pivots its not just as simple as air pivoting. There are a whole progression of mechanical/visual steps I take (which are...
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    Eagle eye and sightright

    I think it could affect the sightright alignment system steps a tiny bit. Mainly this would be because you stand with the cue across your chest and then put your back hand online with your vision center then rotate you wrist to bring the cue over the vision center. This manuver is probably a...
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    Is a Cue with Less Squirt or Cue Ball Deflection Better?

    Dr Dave: This talk about SAWS brings up a question I've had about it for a while: As mentioned above I like to air pivot instead of pivoting when down. I also use Z3 shafts which have a pivot point of about 16 inches. When pivoting I use your numbers you laid out in the SAWS video and...
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    Is a Cue with Less Squirt or Cue Ball Deflection Better?

    I use SAWS with a Z3 shaft and I perform the pivot in the air and imagine a cue ball in front of my cue when pivoting. I then look at the angle I am at relative to that imaginary cue ball and line up on the shot at that angle relative to the aim at the object ball with throw taken into account...
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    Playing up against better players-advice please

    I'm talking about playing even.
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    Playing up against better players-advice please

    All the pressure is on the better player until the worse player gets at the finish line then the pressure is on them.
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    Electronic pool product question regarding USB Chargers

    Dont worry about it. They only sued apple because they are apple and have money. You are a pool company so you dont have anything to sue for. Plus you live in USA right? Its not like a brazil court or some other 3rd world country can put a lein on your property here or jail you for not...
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    BK Rush Max Weight ?

    If you want to make it heavier you might try maxing out on the weight bolts and add a butt extension.
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    body position when lining up the shot ...square vs angled

    Both seem to have a a major effect on the how much of an angle off the shot line you obtain when going down.
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    body position when lining up the shot ...square vs angled

    Experimenting with open feet positions and which ones seem to have better placement.
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