In the ball rating matrix i rate the rg on a scale of 1 to 10 with the pin in the leverage position.
Bowling ball pin placement.
Even standard label drill patterns with the pin at 1 30 from the cg place the pin very near almost everyone s leverage point.
The layout of course defines how the core is oriented inside the ball relative to the bowler s pap and relative to the gripping holes.
The pin deck is the area of the lane the pins rest on.
In this quick demonstration research tech jason milligan and bowling coach rod ross use earl the robot to show how bowling ball pin placement and surface adjustments affect the way a ball rolls.
The bowling pin rack consists of 10 pins laid out in an equilateral triangle.
With today s high tech bowling balls the ball driller must know where the core is in the ball.
We re often told two main things about how pin to pap distance affects ball motion.
Jason sets earl up to throw an undrilled ball down the lane several times adjusting its grip to accommodate pin placements of 3 4 and 5 inches.
Pin to pap distance is one element of a bowling ball s layout.
This is the most popular pin placement for the average bowler.
When the cover material.
The pin is a colored dot on the ball that signifies the position of the top of the core in the ball.
Often the pin rack is referred to as the pin deck although they re not synonymous.
Depending on the volume of the lane pattern and the friction of the lane surface you might need either a pin up ball or pin down ball to give you a good look on something longer.
The pin rack is the actual set of pins.
In the drilling layout the pin placement how close or far the pin is in relationship to your positive axis point determines the ball reaction you will have.
The pin location has the biggest effect on the balls reaction and core location.
So if you had two identical bowling balls one with a 2 pin and one with a 4 pin and you put both pins in the same location then the only thing you have to worry about is the final destination of the cg and how much weight it carries.
Pin up is going to cause the ball to transition faster because more mass is being removed from the side of the core as opposed to the top.
When a ball is built the core anchored by a small rod is suspended in a mold and the cover stock is poured into the mold.
