What the predator shaft does is greatly reduce the amount of squirt and increases the speed before squirt starts to take effect. With a cue that doesn't have a low deflection/squirt shaft, squirt will start taking effect at a much slower speedQUOTE]
I guess I just don't understand this. Based on Dr. Dave's experimants of speed and it's relationship to deflection/squirt: squirt/deflection is not altered by the speed of cue at impact. Has this been changed?
From Dr. Dave's article:
Diagram 2 shows experimental data for squirt measurements taken over a wide range of shot speeds. Many people think squirt is larger at higher speeds than at lower speeds. This “myth” is shown with the red curve in the diagram. As the actual data points show, squirt is very nearly constant over a wide range of speeds, for a given tip offset. This conclusion is in agreement with the “human robot” data presented in my September ’07 article. As with all of the graphs in this article, each data point represents the average of five trials taken at each setting (e.g., each speed in Diagram 2). I think one reason people sometimes think squirt increases with speed is because they might be including the effects of swerve in their thinking. “Effective squirt” (AKA “squerve”) due to both squirt and swerve does depend quite a bit on shot speed (see my October ’07 article). One final observation about Diagram 2: you might notice a small dip in squirt measurements at medium speeds. I’m not sure how to explain this physically, and it could even be a slight error introduced by how the machine functions. Regardless, it is a very small effect. I think it is safe to say that squirt is very nearly constant with speed and doesn’t increase with speed as the “myth” curve suggests.