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Importance of Bowling Ball Layouts

Intro to Layouts

There is a lot of information about ball layouts. From books to articles in the bowling magazines to the internet. All seem to want to complicate what is happening. There are layout systems, (such as duel angle, degree system, Storms Vector layout system,  XbyY with buffers) plus the layout examples you get when you one buys a bowling ball.

Attempt at Drilling the Ball Right

All of these systems are attempting to one thing: Help a ball driller not to screw up a drill. After all, if a bowler pays $200.00 for a ball, the ball driller AND the manufacturer want that ball to knock down  a lot  of pins. Do you think that  customer will  buy  a  ball from that pro shop OR that brand of bowling ball if they are disapointed with the  results?

All Systems Work - Some of the Time

All systems will be correct some of the time, but never all of the time. Why is this? The why is very simple. All bowlers do not have same release, ball speed or revs. Therefore their ball track, pap and axis of rotation will be different.

Average  Pap vs Your PAP

Most drill sheets and layout systems assume a persons pap is 5 inches out and 1 inch up with a 45 degree axis shift. That is considered the norm. If your pap or axis is not those specs, then the targeted ball reaction will not be as promised. Hence, the more a bowlers pap and roll differs from the normal, the less accurate these systems are.


Another factor that drill sheets and drill systems cannot really account for is pin placements, especialy in the case of asymmetrical bowling balls. Asymmetrical balls can have mass bias placements in realy awkward positions, rendering a ball that can only be drill for a lefthander or visa versa.

Heavy Weight Block

Before Hammer introducted the hand gernade type weight block weighing several pounds,  bowling balls had a weight block that weighed between 2-4 oz. This weight was designed only to replace the weight taken out of a bowing ball when it was drilled. Putting 4 to 6 pound weight blocks in a bowling balls made it manditory that the layout of a bowling ball MATCHED a bowlers pap and axis shift. 

Why Game Analysis Is Important

The above gives a person a general idea of why it is mandatory to analyze a persons games BEFORE they get a balled drilled. To do it any other way means the ball driller is either guessing or just doesn’t care enough about the customer to get it right.

Make an Appointment to Get It Right

Want it done right? Make an appointment with us and receive a professional evaluation and a competent ball drill that is backed by over 50 years of experience.