Dr. Dave talks about how to select a cue, and demonstrates how to do simple squirt testing to compare shaft cue ball deflections. He also talks about the advantages of carbon fiber shafts, and compares the popular Predator Rev (12.4 mm) to the Cuetec 15K (12.5 mm).

NOTE CONCERNING FOLLOW-THROUGH:
During the first set of tests, hitting the CB straight up table with parallel english, my follow-through was not very straight. However, I did hit the CB accurately, with the desired tip position and in the desired direction. The crooked follow-through happened after the CB was gone, so the shots still had the desired outcome.

I did some additional filming to help me diagnose what was causing the non-straight follow through. Playing the new video back in slow motion showed the cause. When the tip hits the right side of the CB, a sideways force pushes the shaft to the right against the thumb of my open bridge. Then the cue bounces to the left off the thumb causing the follow through to veer left, but the CB is long gone by the time this happens.

Regardless, when I did the original filming, I did a large number of shots with each test and with each cue, and only included the shots that seemed to be the most-representative "average" shots for each, so I am confident the relative comparison is accurate.

Also, for a newer video showing a collection of similar cue tests with a much more careful procedure and stroke, see my "CUE TESTING for Cue Ball Deflection, And PREDATOR REVO Carbon Fiber Shaft SIZE EFFECTS" video:
[ Ссылка ]

Contents:
- Intro [0:00]
- Selecting a Cue [0:17]
- CB Deflection Testing [1:05]
- Aim Compensation With Sidespin [3:20]
- Natural Pivot Length [4:21]
- Jump Shot Comparison [7:10]
- Carbon Fiber Shaft Advantages [8:12]
- Revo vs. Cuetec [10:07]

Supporting Resources:
- selecting a cue: [ Ссылка ]
- optimal cue weight: [ Ссылка ]
- cue efficiency: [ Ссылка ]
- cue tip hardness effects: [ Ссылка ]
- cue "feel," "hit," "feedback," and "playability": [ Ссылка ]
- open bridge advantages: [ Ссылка ]
- squirt and swerve effects: [ Ссылка ]
- squirt (cue ball deflection) testing: [ Ссылка ]
- cue natural pivot length: [ Ссылка ]
- LD shaft advantages: [ Ссылка ]
- more spin with an LD shaft: [ Ссылка ]
- BHE/FHE Calibration System: [ Ссылка ]

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