900 Global Drilling Pattern Selector

In order to accurately determine a drilling pattern and final ball surface, you must first identify your personal bowling characteristics; these three key factors must be determined.

Bowlers Ball Speed
Bowler Rev Rate
Bowlers Axis Angle of Rotation

Chose the number below in each category that best describes your bowling style.

Step 1:

Ball Speed 1 = slower, 2 = average, 3 = faster
Ball rev Rate (RMPs) 1 = cranker (18 or more), 2 = tweener (13-17), 3 = stroker (12 or less)
Axis angle Rotation (side roll) select from one, two, or three

Step 2: Total your numbers up from ball speed, rev rate, and axis rotation. Use that number to select your drilling pattern.
Step 3: Layout must be based on your Positive Axis Point, illustrations are all based off a 5-1/2 over PAP.
Step 3: Choose your lane condition.
Step 4: Adjust surface.

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