Blog - Bowling Education — That Wow Factor

What is the difference between Pin up and Pin down Drilling on a Bowling Ball?

Posted by Ronald Hickland on

The explanation given in this blog is valid for 95% of bowlers. However, there are always exceptions to the rule. For this blog, we will stick to the majority of bowlers who will be reading it. If you feel that you are in the other 5%, check out this video to learn more about ball motion. The above pictures are of the exact same ball with two different layouts.  The colors indicate the numerical impact that drilling has on the core shape. As you put holes in a bowling ball, the colors shift based on the size and depth of...

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