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The 11th Frame: The fascinating science of RG and differential and what it means in bowling ball motion

JEFF RICHGELS | Posted: Monday, March 28, 2016 7:59 am

A picture from the instructions by USBC of how to determine the RG about the X, Y and Z axes of an asymmetrically marked bowling ball. Photo by United States Bowling Congress.
Victor Marion has a special bowling ball in his lab at Storm Products that dramatically demonstrates the most important thing anyone considering the science of differential in bowling balls must understand: Bigger does not necessarily mean better. As I detailed in this story originally posted on March 15, the United States Bowling Congress on that day announced that it had removed MOTIV’s JACKAL and JACKAL CARNAGE from its list of balls approved for competition because a "significant...

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