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  1. dr_dave

    Table Difficulty Factor (TDF) for measuring table "toughness"

    Here's the latest: Calculate your Table Difficulty Factor (TDF) to determine how tough it plays relative to other tables. Only three pocket measurements are required, and you can use the TDF calculator or TDF spreadsheet to get your results. username - table size, pocket mouth size...
  2. dr_dave

    Table Difficulty Factor (TDF) for measuring table "toughness"

    Thank you for posting. I've added your table to the list.
  3. dr_dave

    Table Difficulty Factor (TDF) for measuring table "toughness"

    Here's the latest: Calculate your Table Difficulty Factor (TDF) to determine how tough it plays relative to other tables. Only three pocket measurements are required, and you can use the TDF calculator or TDF spreadsheet to get your results. username - table size, pocket mouth size...
  4. dr_dave

    Table Difficulty Factor (TDF) for measuring table "toughness"

    Thank you for posting. I've added your table to the list.
  5. dr_dave

    Deflection question, explain how a stiffer CF shaft has less deflection.

    See: What Causes CB Deflection The shaft does not flex enough during the incredibly brief tip-contact time for shaft stiffness to have much effect. The shaft flexes the most after the CB is already gone (due to the sideways momentum of the shaft endmass).
  6. dr_dave

    Deflection question, explain how a stiffer CF shaft has less deflection.

    … unless the end of the shaft close to the tip is heavy. For example, a very flexible shaft with a lead ferrule would create a shocking amount of CB deflection. See Diagram 4 in the following article showing the effects of mass added to the shaft at different distances from the tip...
  7. dr_dave

    Smaller Pockets Don’t Always Play Smaller … Dr. Dave Evaluates His New Rails and Pockets

    Olhausen custom-made these for me as a favor. I don’t know if they offer this service, but it can’t hurt to ask. I don’t know what they might charge. Sorry.
  8. dr_dave

    Smaller Pockets Don’t Always Play Smaller … Dr. Dave Evaluates His New Rails and Pockets

    The rails are not reacting any differently, as far as I can tell so far.
  9. dr_dave

    Smaller Pockets Don’t Always Play Smaller … Dr. Dave Evaluates His New Rails and Pockets

    Good points. My experience so far tells me the new setup plays slightly easier, but that could because of the new/slick cloth on the cushions letting balls slide in more.
  10. dr_dave

    Smaller Pockets Don’t Always Play Smaller … Dr. Dave Evaluates His New Rails and Pockets

    Sorry about my false assumption. Understood.
  11. dr_dave

    Smaller Pockets Don’t Always Play Smaller … Dr. Dave Evaluates His New Rails and Pockets

    It isn’t just “perception.” I did careful measurements. The old pockets were certainly “bigger” at some angles and speeds, but fast balls down the rail rattled out unless the hit was near perfect. If you barely caught the near point or hit a little too far out on the far facing, the ball got...
  12. dr_dave

    Smaller Pockets Don’t Always Play Smaller … Dr. Dave Evaluates His New Rails and Pockets

    I will certainly get less comments on YouTube about my pockets looking like gigantic buckets. The main difference for me is when filming power shots down the rail, I won’t need to fear pocket rattle as much. Even though the original pockets were huge, they sure spit out fast balls easily.
  13. dr_dave

    Smaller Pockets Don’t Always Play Smaller … Dr. Dave Evaluates His New Rails and Pockets

    No. The new black ones are leather also. They just don’t have the classic look of the original leather pockets.
  14. dr_dave

    Smaller Pockets Don’t Always Play Smaller … Dr. Dave Evaluates His New Rails and Pockets

    I agree the leather looks more flush in many of the video views, but they stuck up quite a bit.
  15. dr_dave

    Smaller Pockets Don’t Always Play Smaller … Dr. Dave Evaluates His New Rails and Pockets

    They do stick up a little, but not as much as the previous leather pockets.
  16. dr_dave

    Smaller Pockets Don’t Always Play Smaller … Dr. Dave Evaluates His New Rails and Pockets

    Good point. I’ve noticed this also. I’ve also noticed the “tight” pro tournament pockets playing much bigger than they look with the slick conditions. I miss Neil. We had lots of good interactions over many years. RIP Neil! I remember his “bar box” having very tight pockets, but I don’t...
  17. dr_dave

    Smaller Pockets Don’t Always Play Smaller … Dr. Dave Evaluates His New Rails and Pockets

    Agreed. They are at 50 degrees instead of parallel (45 degrees), but they definitely help the balls in. That was actually part of my goal … to make the pockets look tougher without making them tougher. Although, they are tougher for many shots. It sure is nice to be able to fire the balls...
  18. dr_dave

    Smaller Pockets Don’t Always Play Smaller … Dr. Dave Evaluates His New Rails and Pockets

    That was my only hesitation before doing the modifications. It is no longer the same table as what I got from Byrne. I still think of it as his table, though.
  19. dr_dave

    Smaller Pockets Don’t Always Play Smaller … Dr. Dave Evaluates His New Rails and Pockets

    As I mentioned in the video, I use the table mostly for lessons and filming, so making the table brutally hard was not a goal.
  20. dr_dave

    Smaller Pockets Don’t Always Play Smaller … Dr. Dave Evaluates His New Rails and Pockets

    They feel pretty hard to me, pressing my fingernail through the cloth, but I don't know how they compare to other tables (other than my previous rails which had facings of similar thickness and hardness).
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