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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, in a joint venture with 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 Dynacraft 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 (159kb)
Chapter 2 A Need For Comparable Shaft Information (96kb)
Chapter 3 A Comparison Of Shaft Deflection Measurements (136kb)
Chapter 4 A Comparison Of Shaft vibrational Frequencies (144kb)
Chapter 5 A Comparison Of Shaft Torque (102kb)
Chapter 6 A Discussion Of Kick Point/Bend Point And Balance Point (121kb)
Chapter 7 Putting It All Together - The Dynacraft Shaft Fitting Index (131kb)
Shaft Fitting Addendum
The 2004 version of Dynacraft's trademarked shaft testing provides up-to-date measurements of thousands of shafts. Included are technical measurements of raw and cut weights, frequencies, torques, balance points and recommended swingspeed ranges for each shaft. Included is an explanation of how to use the Dynacraft Shaft Fitting Index (DSFI) in total clubfitting applications. Written by Jeff Summitt.
To download, just click on the chapter you'd like to view. Adobe Acrobat Viewer will automatically be opened to allow you to view these files. It may take Acrobat a couple of minutes (especially Chapter 3) to open so please be patient. It will not open until the file is downloaded to your computer. This will depend on your internet connection speed. If you do not have Adobe Acrobat, please click on the Acrobat box below to download this free program. This free program allows you to view technical documents, books and catalogs online. 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 Introduction and Cut Shaft Specifications (167 kb)
Chapter 2 Current Shaft Data (416 kb)
Chapter 3 Archived Shaft Data (1190 kb)
Chapter 4 DSFI Listings (470 kb)
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