The Modern Guide to Shaft Fitting
The Modern Guide To Shaft Fitting Now Online FREE!
Originally published in 1992, "The Modern Guide to Shaft Fitting" is the book that changed the way clubmakers (and for much of the golf industry) view golf shafts. The "Modern Guide to Shaft Fitting" verified what clubmaker's long suspected, that shaft specifications that were thought to be the same are not comparable at all. In 1989, Dynacraft Golf (now a Hireko brand), in a joint venture with the shaft company Apollo Golf, embarked on a project to test various shaft specifications under one single set of testing conditions. The tests would reveal variations in testing methods and labeling flex, torque, bend point, kick point, etc. "The Modern Guide to Shaft Fitting" goes in-depth on each of the various shaft parameters, plus ties it all together using the most innovative shaft fitting system ever created, the Dynamic Shaft Fitting Index. The DSFI is a mathematical formula for shaft stiffness, based on the measured frequency and torque of a shaft, and then equates it into a player's swing speed. If you want to truly learn about shafts and shaft fitting, then second edition of "The Modern Guide to Shaft Fitting" is a must read. The latest edition is partially re-written to reflect on what we have learned the past eight years.
If you are having any problems downloading these files, please email us. We can also email the chapters to those that are having trouble downloading.
TO DOWNLOAD, JUST CLICK ON THE CHAPTER! Chapter 1 The Evolution Of Shaft Fitting (file size 159kb) Chapter 2 A Need For Comparable Shaft Information (file size 96kb) Chapter 3 A Comparison Of Shaft Deflection Measurements (file size 136kb) Chapter 4 A Comparison Of Shaft vibrational Frequencies (file size 144kb) Chapter 5 A Comparison Of Shaft Torque (file size 102kb) Chapter 6 A Discussion Of Kick Point/Bend Point And Balance Point (file size 121kb) Chapter 7 Putting It All Together - The Dynamic Shaft Fitting Index (file size 131kb)
2008 Shaft Fitting Addendum The 2008 version of the annual Hireko trademarked shaft testing project provides up-to-date measurements of thousands of shafts. Included are technical measurements of raw and cut weights, frequencies, torques, balance points and recommended swing speed ranges for each shaft. Included is an explanation of how to use the Dynamic Shaft Fitting Index (DSFI) in total club fitting applications. Written by Jeff Summitt.
TO DOWNLOAD, JUST CLICK ON THE CHAPTER! Chapter 1 Introduction and Cut Shaft Specifications (file size 121 kb) Chapter 2 Current Shaft Data (file size 177 kb) Chapter 3 Archived Shaft Data A - O (file size 312 kb) Chapter 4 Archived Shaft Data P - Z (file size 292 kb) Chapter 5 DSFI Listings (file size 209 kb) You must have Adobe Acrobat Reader to view the above files. Please click here to download (it's free too).
For over 26 years, Hireko Golf has served the golf industry through its direct mail, website and retail channels. Hireko and Hireko's technical expertise has produced over a dozen nationally recognized publications and the Dynamic Shaft Fitting Index remains the dominant testing and development concept in shaft technology. Our brands include Acer, Hireko, Oxygen, Dynacraft, Pal Joey, iBella, Synchron, Power Play and Karma. Hireko specializes in manufacturing and designing custom made golf clubs. For more information visit www.hirekogolf.com. SOURCE: Hireko Trading Company, Inc. Contact: Rob Altomonte, 614-209-7405 Copyright © 2007 Hireko Golf

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