Bowling Ball Pin To Cg Distance
Cg placement determines static weights so in order to keep the ball legal it needs to be taken into account when drilling.
Bowling ball pin to cg distance. If you wish to purchase a. Because of variation in the manufacturer s process usbc receives pin out distances that vary from 1 inch to sometimes 6 inches. We re often told two main things about how pin to pap distance affects ball motion. It is also the point around which the ball wants to rotate.
In terms of ball reaction there is almost no difference between a 1 pin to cg distance and a 6 pin to cg distance. Pin to pap distance is one element of a bowling ball s layout. Pin distance matters based on layout. If you want a pin up high flare layout using a 1 1 2 pin and having to use a p1 hole to get rid of side and top weight because a bowler uses an it or switch grip in the thumb isn t going to work out so well.
Given an infinite length and time a ball will eventually rotate around the pin either with the pin down on the lane or on top of the ball. When bowling ball companies design bowling balls in cad programs they usually have a certain pin to center of gravity distance in mind. If you have a short pin cg distance you need to have the pin closer to the grip center. With the new usbc rules you can drill a 1 pin to cg distance above the fingers and have the cg end up above the fingers as long as the ball has less than 3oz of finger weight.
These small shifts do not affect the ball reaction or the quality of the product but it can limit the drill options to remain within usbc specifications. Often times pro cg bowling balls can be found at good prices. If you draw a line from the pin to psa on the average the cg would need to be 2 1 2 or more from the line. The effect of pin to pap distance.
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. If you have a long pin cg distance you need to have the pin farther from the grip center. You will notice cg markings on some bowling balls are a far distance from the pin to psa line.