Proshop Information

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CLT Instructions - Courtesy of
CLT Instructions en français - Courtesy of SST (Patrice)
Coke can overlay for thumb pitch - By bowl1820
IBPSIA Fitting Guide 2013
Jayhawk Fitting Tips - Courtesy of
Lateral Finger Pitch Fan Chart
Morich Fitting Instructions
Mos Conventional Fitting - Fitting instructions for conventional grip
Ovalator program for drilling ovals...Developed by 2y2
Simplified Fan Chart Instructions
Thumb Angle Pitch Chart
Turbo Switch Grip Tips - Courtesy of MeNoRevs


Detailed Oval Cut Chart - by BowlingCoach
DeTerminator Instruction Manual
Effects of Drilling Finger Holes Deeper
Fractions/Decimals chart
Finger Lateral Pitch Calculator -by snick
Lane #1 Guide to Finding Unmarked CG
Oval Thumb Drilling Chart
Target Static Weight Chart
Thumbhole Size affects Pitch - by snick
The Truth About Drilled Balls Article - by Mo Pinel
The Truth About Drilled Balls Seminar - by Mo Pinel
Two Stage Bevel - By JessN16
Label Shift Wt. Calculation Estimator - by MWhite
Label Shift Wt. Calculation Estimator (with a balance hole) - by MWhite
Weight Removal Chart ~ Courtesy of Jayhawk


Company Specific
Ball Layout Basics
Manufacturer Drill Sheets
Double Thumb
MoRich Double Thumb Layout - includes instructions and a video finding the exact layout based on a bowlers PAP of 5" over by 1" up
Dual Angle Layouts
Ball Speed vs Rev Rate comparison chart
Dual Angle Layout Method - by Mo Pinel - (DualAngleSPANISH.pdf‎ - translated by 2y2)
Dual Angle Layout Method - Updated Guide - by Mo Pinel 2013
Dual Angle Sweet Spot Guide & Examples
Dual Angle Sweet Spot Summary
Dual Angle Ratio Guide - (Guia Para Hallar la Proporcion - by elgavachon)
Guia para Determinar la Suma Total - (guide to calculate total sums - by elgavachon)
Pin Buffer to Dual Angle Converter - Spreadsheet to convert pin buffer layouts to dual angles and vice versa
Summary of Drillings for MoRich Perpetual Motion, RipR, N'Sane - Mass properties summary using several dual angle drilling layouts.
Gradient Line Balance Hole
Final Gradient Line Guidelines
Gradient Line Extra Hole Method - by Mo Pinel
Using the Gradient Line Balance Hole
Mo's Recommended
Mo's Simple Symmetrical Layouts - Perpetual Motion Drill Sheet by Mo Pinel
Mo's Recommended Layouts for High, Medium and Low Track Players - mass properties of drilled MoRich RipR included
Full Roller Layout Comparison for an Asymmetrical Ball
Full Roller Layout Comparison for a Symmetrical Ball
Motion Hole Symmetrical Instructions
Final Radical Motion Hole instructions
Over Rolled Full Roller
PBA Plastic Ball Layout
Sport Bowling Layouts
Radical No Thumb Layouts

Bowler Measurements & Reference

Axis Rotation
Rotation and Tilt Chart - Transparent Overlay
Rotation and Tilt Chart
Axis Tilt
Axis Tilt Conversion Chart
Axis Tilt Chart with Dimensions and Diagrams
How to - Measure Axis Tilt
Ball Speed
Ball Speed vs Rev Rate comparison chart
How to - Measure Ball Speed
Rev Rate
How to - Measure Rev Rate
Positive Axis Point (PAP)
How to - Measure Positive Axis Point
Combined References
How to - Measure Axis Rotation, Axis Tilt, and Rev Rate - Video Tutorial and Tips - Courtesy of MattintheHat
How to - Measure Axis Rotation, Axis Tilt, Ball Speed, and Rev Rate - Spreadsheet Analysis
Video Capture Tips for Axis Rotation, Axis Tilt, Ball Speed, and Rev Rate
Misc. References
Asymmetrical and Symmetrical Core Track Flare Chart - Pin to PAP Distance
Effective DeTerminator Use Instructions
Jayhawk Balances and Weights
Pad Grit Conversion Chart
Blank comprehensive spec. sheet for a Righthander
Blank comprehensive spec. sheet for a Lefthander

Tips & Tricks

Pro Shop Equipment
AMF 2500 Operator Manual
GilMac Operator Manual