Bill Sempsrott

About Bill Sempsrott

Bill is the founder of BTM Digital Media, LLC and he manages the day-to-day operations of Bowling This Month. Bill has a graduate degree in Mechanical Engineering, he developed the Powerhouse Blueprint ball motion simulator, and he has been an avid bowler for more than 20 years.

A Look at the USBC’s Bowling Technology Study

Some thoughts on differential, balance holes, static imbalance, and coverstock oil absorption rate

A Look at the USBC's Bowling Technology Study

About a month ago, the USBC published the results of a recent research project that examined bowling balls and their impact on the bowling environment. This project, which they are calling the Bowling Technology Study, primarily examined bowling ball RGs,... [Read More]

The Fundamentals of Target Line Adjustments

Getting (and staying) lined up by moving your feet and/or target

The Fundamentals of Target Line Adjustments

There are dozens of possible adjustments that we as bowlers can make to change where and how our bowling balls are entering the pocket. The first adjustment we typically learn—usually very early in our bowling careers—is how to move our... [Read More]

Bowling Ball Balance Hole Fundamentals

The basics, some examples, and recommended best practices

Balance Hole Fundamentals

Let’s start with a quick question: Have you ever heard a fellow bowler say any of the following statements? “I just don’t like balls with balance holes. They don’t roll well for me.” “I’m going to have a weight hole... [Read More]

Understanding Bowler Delivery Parameters

How ball speed, rev rate, axis rotation, and axis tilt influence your ball’s on-lane motion

Understanding Bowler Delivery Parameters

Bowling balls, coverstocks, RGs, differentials, layouts, balance holes, and surface adjustments are all important parts of the modern game. It is very valuable for bowlers to learn about and experiment with these elements as they build their knowledge of the... [Read More]

Bowling This Month is Officially Back!

I am very happy to announce today that Bowling This Month is officially back in business! After many months of hard work, we've just finished updating our website with everything necessary to launch our online subscription service. I really appreciate... [Read More]