What Everyone Needs To Know To Play Better.
The Maltby Playability Factor

By Ralph D. Maltby

Understanding Golf Club Dynamics
Copyright 2008 The GolfWorks. Notice of rights All rights reserved. No part of this book may be reproduced or transmitted in any form by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior written permission of the publisher. For information on getting permission for reprints or excerpts, contact golfworks@golfworks.com. Notice of Liability The information in this book is distributed on an As Is basis, without warranty While every precaution has been taken in the preparation. of the book, neither the author nor The GolfWorks shall have any liability to any person or entity with respect to any loss or damage caused or alleged to be caused directly or indirectly by the instructions or other information contained in this book. Trademarks Ralph Maltby, Maltby Design and The GolfWorks are trademarks of The GolfWorks in the United States and other countries. The brand names, model names and trademarks associated with the golf clubs discussed throughout this book are the property of the respective manufacturers of those clubs who have no affiliation with The GolfWorks with the exception as stated below, and have not endorsed or sponsored this publication. The GolfWorks has provided design services in the past for the following brands of golf equipment: Maxfli, Powerbilt, and Tommy Armour. Any reference to any individual, professional golfer or otherwise, in this book is for historical completeness in explaining golf equipment design and is not intended to imply any endorsement or sponsorship of any of the goods or services mentioned in this book by those individuals. Published by: The GolfWorks BOOK TRADE DISTRIBUTION BY: The GolfWorks 4820 Jacksontown Road P.O. Box 3008 Newark, Ohio 43058-3008 Manufactured in the United States of America

GOLF CLUB MANUFACTURERS

(OEM Listings)
Maltby Playability Factor (MPF)
Sorted By Brand And Model Year
MOI 13.5295 Actual RCOG Loft.Brand CALLAWAY Model FT #6 Year 2008 Head C Basic Wt. Dim. VCOG 260.5 1.557.776 VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -.084.949 Ultra Game Improvement

Brand CALLAWAY

Model Big Bertha Hybrid #5

Year 2008

Head C Basic Wt. Dim. VCOG 252.0 1.525.825

MOI 13.8930

Actual RCOG Loft.652 25
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -.125.911 Ultra Game Improvement

Model Big Bertha #6

Head C Basic Wt. Dim. VCOG 264.0 1.487.821

MOI 14.2341

Actual RCOG Loft.658 28
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -.118.857 Ultra Game Improvement

Model FT iBrid #6

Head C Basic Wt. Dim. VCOG 260.0 1.768.815

MOI 12.3155

Actual RCOG Loft.675 28
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -.128.1160 Ultra Game Improvement
Model FT iBrid #5 Transition Hybrid
Head C Basic Wt. Dim. VCOG 254.0 1.659.807

MOI 11.8760

Actual RCOG Loft.830 25
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -.212.1153 Ultra Game Improvement
Model Big Bertha Ladies #6
Head C Basic Wt. Dim. VCOG 257.0 1.548.840

MOI 13.7831

Actual RCOG Loft.685 28
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -.127.906 Ultra Game Improvement
The Maltby Playability Factor
Sorted By Maltby Playability Factor
MOI 12.3155 11.8760 Actual RCOG Loft.675.25 Brand CALLAWAY CALLAWAY CALLAWAY CALLAWAY Model FT iBrid #6 FT iBrid #5 Transition Hybrid FT #6 Big Bertha Hybrid #5 Big Bertha Ladies #6 Big Bertha #6 Year Head C Basic Wt. Dim. VCOG.815.807 VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -.128 -.212.687.1160 Ultra Game Improvement Ultra Game Improvement

2008 260.0 1.254.0 1.659

2008 260.5 1.252.0 1.525

.776.825

13.5295 13.8930

.594.652

-.084 -.125

.692.700

919 881
949 Ultra Game Improvement 911 Ultra Game Improvement

CALLAWAY CALLAWAY

2008 257.0 1.264.0 1.487

.840.821

13.7831 14.2341

.685.658

-.127 -.118

.713.703

876 827
906 Ultra Game Improvement 857 Ultra Game Improvement
Notes, Ideas, Designs and Sketches
MOI 13.8934 Actual RCOG Loft 0.Brand CLEVELAND Model Hi Bore #6 Year 2007 Head C Basic Wt. Dim. VCOG 257.5 1.351 0.872 VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.222 0.800 Super Game Improvement

Brand CLEVELAND

Model CG Gold MCT #6
Head C Basic Wt. Dim. VCOG 259.0 1.419 0.818

MOI 14.2043

Actual RCOG Loft 0.537 29
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.046 0.705 Super Game Improvement

Model CG Red MCT #6

Head C Basic Wt. Dim. VCOG 257.5 1.221 0.768

MOI 13.7647

Actual RCOG Loft 0.412 30
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category 0.018 0.493 Conventional
MOI 13.8934 14.2043 13.7647 Actual RCOG Loft 0.883 0.537 0.Brand CLEVELAND CLEVELAND CLEVELAND Model Hi Bore #6 CG Gold MCT #6 CG Red MCT #6 Year Head C Basic Wt. Dim. VCOG VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.222 -0.046 0.018 0.650 0.772 0.800 Super Game Improvement 705 Super Game Improvement 493 Conventional
2007 257.5 1.351 0.259.0 1.419 0.257.5 1.221 0.768
MOI 13.6885 Actual RCOG Loft 0.Brand COBRA Model King Cobra Transition S #6 Year 2007 Head C Basic Wt. Dim. VCOG 254.1 1.380 0.790 VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.145 0.833 Super Game Improvement

Brand COBRA

Model King Cobra Transition S #5 (Hybrid Start)

Year 2007

Head C Basic Wt. Dim. VCOG 245.9 1.063 0.844

MOI 13.1304

Actual RCOG Loft 0.930 27
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.255 0.570 Game Improvement

Model King Cobra UFi #6

Head C Basic Wt. Dim. VCOG 261.9 1.425 0.771

MOI 15.3644

Actual RCOG Loft 0.605 27
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.108 0.853 Ultra Game Improvement
Head C Basic Wt. Dim. VCOG 258.0 1.197 0.769

MOI 10.3236

Actual RCOG Loft 0.470 30
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.015 0.494 Conventional
King Cobra Pro CB (Forged) #6 2008
Head C Basic Wt. Dim. VCOG 260.0 1.108 0.819

MOI 12.0892

Actual RCOG Loft 0.465 29
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.006 0.337 Classic
King Cobra Pro MB (Forged) #6 2008

Model King Cobra S9 #6

Head C Basic Wt. Dim. VCOG 260.0 1.528 0.790

MOI 14.4789

Actual RCOG Loft 0.527 29
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.049 0.860 Ultra Game Improvement
MOI 13.8728 Actual RCOG Loft 0.Brand COBRA Model King Cobra FP #6 Year 2008 Head C Basic Wt. Dim. VCOG 263.0 1.344 0.791 VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.015 0.626 Game Improvement
MOI 14.4789 15.3644 13.6885 13.8728 13.1304 10.3236 12.0892 Actual RCOG Loft 0.527 0.605 0.692 0.448 0.930 0.470 0.Brand COBRA COBRA COBRA COBRA COBRA COBRA COBRA Model King Cobra S9 #6 King Cobra UFi #6 King Cobra Transition S #6 King Cobra FP #6 King Cobra Transition S #5 (Hybrid Start) Year Head C Basic Wt. Dim. VCOG VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.049 -0.108 -0.145 -0.015 -0.255 -0.015 -0.006 0.741 0.663 0.645 0.776 0.589 0.754 0.860 Ultra Game Improvement 853 Ultra Game Improvement 833 Super Game Improvement 626 Game Improvement 570 Game Improvement 494 Conventional 337 Classic
2008 260.0 1.528 0.261.9 1.425 0.254.1 1.380 0.263.0 1.344 0.245.9 1.063 0.844
King Cobra Pro CB (Forged) #258.0 1.197 0.769 King Cobra Pro MB (Forged) #260.0 1.108 0.819
COBRA Brand LYNX King Cobra S9 #6 Model Black Cat #Year 2008 260.0 1.528 0.790 14.4789 0.Head C Basic Actual Wt. Dim. VCOG MOI RCOG Loft 253.0 1.359 0.802 13.4538 0.-0.049 0.860 VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.010 0.624 Game Improvement

MOI 13.4538 Actual RCOG Loft 0.Brand LYNX Model Black Cat #5 Year Head C Basic Wt. Dim. VCOG VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.010 0.624 Game Improvement

2008 253.0 1.359 0.802

MOI 14.5925 Actual RCOG Loft 0.Brand MACGREGOR Model MT #6 Year 2008 Head C Basic Wt. Dim. VCOG 266.0 1.245 0.890 VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category 0.003 0.893 -Classic

Brand MACGREGOR

Model MT Pro M #6 (Forged 1025)
Head C Basic Wt. Dim. VCOG 261.0 1.076 0.820

MOI 12.2608

Actual RCOG Loft 0.406 30
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category 0.039 0.859 -Player Classic

Model MT Mid #6

Head C Basic Wt. Dim. VCOG 264.0 1.315 0.806

MOI 13.4958

Actual RCOG Loft 0.484 27
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.037 0.603 Game Improvement
Model MT Pro C #6 (Forged 1025)
Head C Basic Wt. Dim. VCOG 262.0 1.116 0.801

MOI 13.6573

Actual RCOG Loft 0.400 31
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category 0.049 0.850 -Classic

Model MT OS #6

Head C Basic Wt. Dim. VCOG 259.0 1.314 0.914

MOI 15.1227

Actual RCOG Loft 0.461 28
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category 0.013 0.927 -Player Classic
MOI 13.4958 14.5925 13.6573 15.1227 12.2608 Actual RCOG Loft 0.484 0.468 0.400 0.461 0.Brand MACGREGOR MACGREGOR MACGREGOR MACGREGOR MACGREGOR Model MT Mid #6 MT #6 MT Pro C #6 (Forged 1025) MT OS #6 MT Pro M #6 (Forged 1025) Year Head C Basic Wt. Dim. VCOG VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.037 0.003 0.049 0.013 0.039 0.769 0.893 0.850 0.927 0.-80 -10 -174 -Game Improvement 302 Classic 286 Classic 243 Player Classic 228 Player Classic
2008 264.0 1.315 0.266.0 1.245 0.262.0 1.116 0.259.0 1.314 0.261.0 1.076 0.820
MOI 14.0141 Actual RCOG Loft 0.Brand MAXFLI Model CrossBax #6 Year 2008 Head C Basic Wt. Dim. VCOG 259.0 1.458 0.789 VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.049 0.790 Super Game Improvement
MOI 14.0141 Actual RCOG Loft 0.Brand MAXFLI Model CrossBax #6 Year Head C Basic Wt. Dim. VCOG VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.049 0.790 Super Game Improvement

2008 259.0 1.458 0.789

MOI 12.3970 Actual RCOG Loft 0.Brand MIZUNO Model Year Head C Basic Wt. Dim. VCOG 261.0 1.126 0.823 VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.053 0.411 Conventional
MP-57 Cut Muscle 2007 (Forged) #6

Brand MIZUNO

Head C Basic Wt. Dim. VCOG 270.0 1.374 0.775

MOI 14.4760

Actual RCOG Loft 0.615 35
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.051 0.723 Super Game Improvement

SORA High Launch 2008 Design (Forged) #6
Model MX-950 Hemi COG (Forged) #6 Hybrid Design
Head C Basic Wt. Dim. VCOG

Actual RCOG Loft

VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category

MIZUNO

263.0 1.203 0.875

13.4022

-0.137

Conventional

MOI 14.4760 13.4022 12.3970 Actual RCOG Loft 0.615 0.732 0.Brand MIZUNO MIZUNO MIZUNO Model Year Head C Basic Wt. Dim. VCOG VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.051 -0.137 -0.053 0.724 0.738 0.723 Super Game Improvement 535 Conventional 411 Conventional
SORA High Launch 2008 270.0 1.374 0.775 Design (Forged) #6 MX-950 Hemi COG (Forged) #6 Hybrid Design MP-57 Cut Muscle (Forged) #263.0 1.203 0.261.0 1.126 0.823
MOI 16.3361 Actual RCOG Loft 0.Brand NICKLAUS Model Polarity MTR #6 Year 2008 Head C Basic Wt. Dim. VCOG 263.0 1.614 0.797 VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category 0.001 0.879 Ultra Game Improvement
MOI 16.3361 Actual RCOG Loft 0.Brand NICKLAUS Model Polarity MTR #6 Year Head C Basic Wt. Dim. VCOG VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category 0.001 0.879 Ultra Game Improvement

2008 263.0 1.614 0.797

MOI Actual RCOG Loft Brand Model Year Head C Basic Wt. Dim. VCOG VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category

Sumo SQ #6

268.0 1.197 0.806

15.8171

-0.082

Brand NIKE

Model SlingShot 40 (SS40) #6
Head C Basic Wt. Dim. VCOG 263.5 1.290 0.854

MOI 14.3918

Actual RCOG Loft 0.590 29
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.065 0.560 Game Improvement
MOI 14.3918 15.8171 Actual RCOG Loft 0.590 0.29 Brand NIKE NIKE Model SlingShot 40 (SS40) #6 Sumo SQ #6 Year Head C Basic Wt. Dim. VCOG VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.065 -0.082 0.789 0.Game Improvement 550 Conventional
2008 263.5 1.290 0.268.0 1.197 0.806

MOI 14.8537 Actual RCOG Loft 0.Brand PING Model Rhapsody #6 Year 2008 Head C Basic Wt. Dim. VCOG 259.5 1.568 0.813 VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.043 0.858 Ultra Game Improvement

Brand PING

Model G-10 #6
Head C Basic Wt. Dim. VCOG 255.5 1.570 0.796

MOI 14.4200

Actual RCOG Loft 0.456 31
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category 0.013 0.805 Super Game Improvement

i-10 #6

260.5 1.326 0.824

12.3334

-0.016

Game Improvement

MOI 14.8537 Actual RCOG Loft 0.Brand PING Model Rhapsody #6 Year Head C Basic Wt. Dim. VCOG VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.043 0.858 Ultra Game Improvement

2008 259.5 1.568 0.813

G-10 #6

2008 255.5 1.570 0.796

14.4200
805 Super Game Improvement

2008 260.5 1.326 0.824

560 Game Improvement
MOI 15.7803 Actual RCOG Loft 0.Brand TAYLORMADE Model Burner XD #6 Year 2008 Head C Basic Wt. Dim. VCOG 260.0 1.277 0.848 VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.066 0.557 Game Improvement

Brand TAYLORMADE

Model R7 CGB Max #6
Head C Basic Wt. Dim. VCOG 262.0 1.246 0.866

MOI 13.6690

Actual RCOG Loft 0.522 25
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.055 0.479 Conventional
MOI 15.7803 13.6690 Actual RCOG Loft 0.538 0.25 Brand TAYLORMADE TAYLORMADE Model Burner XD #6 R7 CGB Max #6 Year Head C Basic Wt. Dim. VCOG VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.066 -0.055 0.782 0.Game Improvement 479 Conventional
2008 260.0 1.277 0.262.0 1.246 0.866
MOI 13.6786 Actual RCOG Loft 0.Brand TITLESIST Model AP1 #6 Year 2008 Head C Basic Wt. Dim. VCOG 257.0 1.437 0.810 VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.067 0.765 Super Game Improvement

Brand TITLESIST

Model AP2 (Forged) #6
Head C Basic Wt. Dim. VCOG 259.0 1.216 0.758

MOI 12.5770

Actual RCOG Loft 0.497 31
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.025 0.551 Game Improvement

Model Z.B. (Forged) #6

Head C Basic Wt. Dim. VCOG 257.0 1.206 0.767

MOI 11.7185

Actual RCOG Loft 0.466 31
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.003 0.495 Conventional

Model Z.M. (Forged) #6

Head C Basic Wt. Dim. VCOG 257.0 1.182 0.798

MOI 12.3061

Actual RCOG Loft 0.427 31
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category 0.032 0.394 Classic
MOI 13.6786 12.5770 11.7185 12.3061 Actual RCOG Loft 0.570 0.497 0.466 0.31 Brand TITLESIST TITLESIST TITLESIST TITLESIST Model AP1 #6 AP2 (Forged) #6 Z.B. (Forged) #6 Z.M. (Forged) #6 Year Head C Basic Wt. Dim. VCOG VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.067 -0.025 -0.003 0.032 0.743 0.733 0.764 0.Super Game Improvement 551 Game Improvement 495 Conventional 394 Classic
2008 257.0 1.437 0.259.0 1.216 0.257.0 1.206 0.257.0 1.182 0.798
MOI 14.3583 Actual RCOG Loft 0.Brand Model Target TS60 Hybrid #6 Year 2008 Head C Basic Wt. Dim. VCOG 262.5 1.555 0.830 VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.082 0.880 Ultra Game Improvement
MOI 14.3583 Actual RCOG Loft 0.Brand TOSKI Model Target TS60 Hybrid #6 Year Head C Basic Wt. Dim. VCOG VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.082 0.880 Ultra Game Improvement

2008 262.5 1.555 0.830

(Component Listings)
MOI 11.4687 Actual RCOG Loft 0.Brand GOLFSMITH Model Snake Eyes 675B (Forged) #6 Year 2008 Head C Basic Wt. Dim. VCOG 262 1.194 0.756 VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.065 0.579 Game Improvement

Brand GOLFSMITH

Head C Basic Wt. Dim. VCOG 263.5 1.266 0.828

MOI 13.6777

Actual RCOG Loft 0.495 29
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.020 0.502 Conventional
Snake Eyes 675XC 2008 (Forged) #6
Model Snake Eyes 675C (Forged) #6
Head C Basic Wt. Dim. VCOG 261.0 1.198 0.806

MOI 12.8145

Actual RCOG Loft 0.475 31

VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category 0.006 0.429 Conventional

Model XPC Lady #5

Year 2004
Head C Basic Wt. Dim. VCOG 251.0 1.491 0.819

MOI 13.6457

Actual RCOG Loft 0.460 29
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.003 0.719 Super Game Improvement

Model Snake Eyes VNM #5

Head C Basic Wt. Dim. VCOG 254.0 1.254 0.799

MOI 13.2295

Actual RCOG Loft 0.434 26
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category 0.022 0.533 Conventional
MOI 13.6457 11.4687 13.2295 13.6777 12.8145 Actual RCOG Loft 0.460 0.549 0.434 0.495 0.Brand GOLFSMITH GOLFSMITH GOLFSMITH GOLFSMITH GOLFSMITH Model XPC Lady #5 Snake Eyes 675B (Forged) #6 Snake Eyes VNM #5 Snake Eyes 675XC (Forged) #6 Snake Eyes 675C (Forged) #6 Year Head C Basic Wt. Dim. VCOG VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.003 -0.065 0.022 -0.020 0.006 0.816 0.691 0.777 0.808 0.719 Super Game Improvement 579 Game Improvement 533 Conventional 502 Conventional 429 Conventional
2004 251.0 1.491 0.262.0 1.194 0.254.0 1.254 0.263.5 1.266 0.261.0 1.198 0.806
MOI 11.9215 Actual RCOG Loft 0.Brand GOLFWORKS Model CER OS #6 Year 2008 Head C Basic Wt. Dim. VCOG 261.0 1.502 0.756 VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.057 0.881 Ultra Game Improvement

Brand GOLFWORKS

Model CER #6
Head C Basic Wt. Dim. VCOG 261.5 1.504 0.744

MOI 12.5445

Actual RCOG Loft 0.456 28
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.032 0.860 Ultra Game Improvement
MOI 11.9215 12.5445 Actual RCOG Loft 0.510 0.28 Brand GOLFWORKS GOLFWORKS Model CER OS #6 CER #6 Year Head C Basic Wt. Dim. VCOG VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.057 -0.032 0.699 0.Ultra Game Improvement 860 Ultra Game Improvement
2008 261.0 1.502 0.261.5 1.504 0.744
MOI 12.7216 Actual RCOG Loft 0.Brand MALTBY Model Glider S #6 Year 2008 Head C Basic Wt. Dim. VCOG 258.5 1.430 0.686 VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.185 0.1023 Ultra Game Improvement

Brand MALTBY

Model Hybrid ST #6
Head C Basic Wt. Dim. VCOG 259.0 1.598 0.744

MOI 17.4410

Actual RCOG Loft 0.740 31
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.176 0.1147 Ultra Game Improvement
Model KE4 V Polymer Back #6
Head C Basic Wt. Dim. VCOG 263.4 1.530 0.801

MOI 12.8354

Actual RCOG Loft 0.556 29
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.062 0.860 Ultra Game Improvement

MALTBY

Model MPC (Forged) #6
Head C Basic Wt. Dim. VCOG 251.5 1.451 0.755

MOI 12.3368

Actual RCOG Loft 0.415 28
VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.007 0.770 Super Game Improvement
MOI 17.4410 12.7216 12.8354 12.3368 Actual RCOG Loft 0.740 0.720 0.556 0.28 Brand MALTBY MALTBY MALTBY MALTBY Model Hybrid ST #6 Glider S #6 KE4 V Polymer Back #6 MPC (Forged) #6 Year Head C Basic Wt. Dim. VCOG VCOG Actual VCOG MOI Calc. Adjst. VCOG C.F. C.F. Points MPF Category -0.176 -0.185 -0.062 -0.007 0.568 0.501 0.739 0.1147 Ultra Game Improvement Ultra Game Improvement 860 Ultra Game Improvement 770 Super Game Improvement
2008 259.0 1.598 0.258.5 1.430 0.263.4 1.530 0.251.5 1.451 0.755

M A LT B Y

PLAYABILITY

FACTOR

M A J O R B R A N D I R O N P L AYA B I L I T Y L E V E L S ULTRA GAME IMPROVEMENT (continued.) ULTRA GAME IMPROVEMENT
MALTBY MALTBY MALTBY CALLAWAY MALTBY MALTBY MALTBY MALTBY CALLAWAY CALLAWAY CALLAWAY MALTBY CALLAWAY MAXFLI LYNX CALLAWAY MALTBY CALLAWAY CALLAWAY CALLAWAY MALTBY CALLAWAY CALLAWAY CALLAWAY CALLAWAY MALTBY CALLAWAY MALTBY MALTBY CALLAWAY TOMMY ARMOUR MALTBY CALLAWAY TOMMY ARMOUR CALLAWAY CALLAWAY TOSKI MALTBY TOMMY ARMOUR MALTBY CLEVELAND MALTBY POWER BILT CALLAWAY CALLAWAY MALTBY GOLFWORKS MALTBY CALLAWAY TOMMY ARMOUR WILSON MALTBY CALLAWAY CLEVELAND COBRA CLEVELAND CALLAWAY POWER BILT MALTBY GOLFWORKS CLEVELAND PING MALTBY CALLAWAY PING CALLAWAY PING GOLFWORKS GOLFWORKS SRIXON GOLFWORKS GOLFWORKS CALLAWAY MALTBY MALTBY MALTBY MACGREGOR MALTBY GOLFWORKS CLEVELAND TOSKI NICKLAUS COBRA GOLFWORKS PING COBRA COBRA MALTBY MALTBY BROWNING PING GOLFWORKS MALTBY COBRA GOLFWORKS
Outburst NT Outburst Plus Glider-X Fusion Wide Sole #6 Logic Tech Logic Tech Xtreme X-2 Outburst FT iBrid #6 Hawkeye VFT Tungsten inj. FT iBrid #5 Transition Hybrid Hybrid ST #6 Tungsten Injected Ti Torque Arm Tigress #6 Big Bertha (original) Logic Gold Big Bertha Gold X-20 #6 X-18 #6 AST Hybrid #6 Great Big Bertha Tungsten inj. Steelhead X-16 Big Bertha Fusion #6 S2 H2 Glider TL Womens #6 Big Bertha Glider S KE-4 Big Bertha X-12 845u Silver Back Logic Lady Big Bertha Ladies #6 845w Silver Back (Womens) X-18 Pro Series #6 Steelhead X-14 Target T-56 RDM Recoil ##6 L Tech #5 Launcher #6 MHS #5 GrandSlam Ladies Oversize Pro Series X-16 Big Bertha Logic Lady CER 851 UM Logic Lady FT #Vault Deep Red II #6 Hybrid ST Big Bertha Hybrid #4 Quadpro #6 S9 #6 TA6 #6 Big Bertha #6 TPS H&B Black Finish Glider T #6 CER 851 UM Oversize TA5 (Cast) Rapture #6 Xtreme X-1 Big Bertha Hybrid #5 G5L #6 Big Bertha Ladies #6 Rapture V2 #6 Kinetic CER CER E-Series I-403 AD 851 HS Hybrid Series #5 DM Pro Steel Stainless #6 Steelhead X-14 Pro RDM Recoil Logic Pro Forged KE4 Tour The Doctor RX #5 Logic Kidz Professional CER OS Launcher LP #6 Target TS60 Hybrid Polarity MTR #6 King Cobra S9 Ladies #7 DM Pro Steel III King Cobra S9 Senior #7 King Cobra SS-i #6 MXO Xtreme RDM Recoil (hollow) 440 #6 IV CER KE4 V Polymer Back King Cobra S9 #6 Vectrax

YEAR MPF

860 860
PEERLESS PING GOLDWIN CALLAWAY WILSON TOMMY ARMOUR CALLAWAY COBRA 1 IRON GOLF GOLFWORKS MIZUNO
Lexor Rhapsody AVDP (Oversize) Big Bertha #6 Reflex Royal Scot #6 X-22 #6 King Cobra UFi 1 iron CER 701+ Tava Ladies #7

2002 2006

SUPER GAME IMPROVEMENT
BEN HOGAN CLEVELAND GOLFWORKS COBRA SPALDING COBRA TAYLORMADE POWER BILT PING GOLFSMITH TOMMY ARMOUR MAXFLI BEN HOGAN PING TOMMY ARMOUR GOLFWORKS PING COBRA GOLFWORKS POWER BILT WILSON MALTBY PING TAYLOR MADE PING PING WILSON POWER BILT TOSKI CLEVELAND PING COBRA TAYLOR MADE MAXFLI COBRA BEN HOGAN MALTBY PING TOMMY ARMOUR GOLFWORKS PING GOLFSMITH COBRA MIZUNO PING PING LIQUIDMETAL PING MALTBY TOSKI ADAMS TAYLOR MADE WILSON TITLEIST WILSON PRECEPT MALTBY COBRA LYNX TAYLOR MADE COBRA TOMMY ARMOUR GOLFSMITH MALTBY TOSKI MALTBY PING CLEVELAND ADAMS WILSON BROWNING MIZUNO TOMMY ARMOUR MALTBY PING NIKE MIZUNO MALTBY TAYLOR MADE GOLFSMITH
copyright The GolfWorks 2009
BH-5 #6 TA7 Tour Action CER 701U King Cobra SS-i Ladies #7 XL-2000 King Cobra Transitions S #6 R7 XD #6 Citation II I Snake Eyes Viper Ti 4 845s Oversize Plus VHL USA BH-5 EYE 845 Stripe DM Pro Launch + G2 HL 3400 I/XH Ladies #7 CER 3C TPS 8.0 Deep Red #6 (graphite shaft) Logic Tungsten G5 #6 Supersteel Burner G-10 ISI Fat Shaft #6 TPS 7.0 T-58 #5 Hi Bore Ping Zing King Cobra SS-i Firesole Tungsten CrossBax King Cobra SZ #6 B-H offset #6 MTF Forged Ping Zing2 845fs Silver Scot Rim Fire Performance + II Snake Eyes Viper #5 King Cobra 3400 I/XH MZX S58 #6 G2 #6 Pure Energy G2 MPC Forged TourU T-58 Idea A1 Pro Hybrid #6 RAC OS 2 #6 Deep Red #6 AP1 #6 Di 5 #6 EV Logic HTD M-07 (forged) King Cobra #6 Transition S Hybrid Black Cat Ti Launch #CX1 845c Silver Back (forged cavity) Snake Eyes Python MCC Forged #5 Target T-55 Logic Tech Tungsten ISI K Hi Bore XLi Hybrid #6 A2 Hybrid #6 Fat Shaft Staff 440 G MX-11 #6 845cs Silver Back (cast ss) Logic Tradition M-06 (stainless) Eye 2 Slingshot HL #6 SORA High Launch Design MMB Forged EL-1 XPC Lady

720 719

Updated 5/09
M A J O R B R A N D I R O N P L AYA B I L I T Y L E V E L S GAME IMPROVEMENT (continued.) SUPER GAME IMPROVEMENT (continued.)
GOLFSMITH MALTBY CALLAWAY MALTBY MIZUNO GOLFWORKS MALTBY MALTBY CLEVELAND PING CLEVELAND COBRA WISHON GOLFWORKS MALTBY TAYLOR MADE Spalding Legacy Tricept Cavity C2 #6 X-20 Tour #6 Logic Tradition M-05 MX-19 #6 DM Pro Launch Logic Tradition M-03 (forged) MCC Forged CG4 #6 i5 #6 CG Gold MCT King Cobra SS-i #6 (senior) 770 CFE Dm Pro Balance M-45 #6 RAC HT MALTBY MALTBY MACGREGOR COBRA WISHON LYNX GOLFSMITH MIZUNO MIZUNO CALLAWAY WILSON ADAMS TITLEIST WILSON PING NIKE CLEVELAND TAYLOR MADE MAXFLI MIZUNO GOLFSMITH MACGREGOR MACGREGOR NIKE TOMMY ARMOUR TITLEIST GOLFSMITH MIZUNO MACGREGOR COBRA TOMMY ARMOUR CALLAWAY BEN HOGAN GOLFSMITH GOLFSMITH WILSON TITLEIST TAYLOR MADE GOLFSMITH TAYLOR MADE ADAMS GOLFSMITH NIKE COBRA GOLFSMITH PING BEN HOGAN MAXFLI TAYLOR MADE GOLFSMITH CLEVELAND POWER BILT GOLFSMITH COBRA DYNACRAFT DYNACRAFT CLEVELAND TAYLOR MADE GOLFSMITH POWER BILT ADAMS GOLFWORKS MAXFLI LYNX POWER BILT GOLFSMITH TITLEIST GOLFSMITH NIKE NIKE PING BEN HOGAN WISHON TAYLORMADE CONFIDENCE GOLFSMITH POWER BILT WISHON TITLEIST TAYLORMADE WILSON WOOD BROTHERS TITLEIST Logic Tradition M-04 (forged) Peak Velocity V-FOIL 1025cm (forged) King Cobra FP #6 Tamarron Grand Monarch Black Cat #5 XPC seven MX100 #6 MX100 Hybrid #5 X Forged #6 Fi 5 #6 Tight Lies #OS (forged stainless) 1200 GE S57 #6 Sling Shot Tour #6 CG4 Tour #Revolution (midsize) TZOID MX15 #6 Snake Eyes Viper MS MT Mid #6 MACTEC NVG2 #6 Ignite #5 845s Titanium (Ti face) 775 #6 Snake Eyes Fire Forged 2 T-ZOID Comp EZ #6 V-Foil 1025m (forged) Carbon CB #6 Morph #6 X-22 Tour #6 Magnum Plus P2 G #5 Spalding Black Hawk 1200 #CB #6 T-D Tour Preferred Snake Eyes Viper LS 300 A2 OS Hybrid #6 Snakes Eyes 675B CCi #6 Baffler Blade II XPC Max #5 I3 + Blade #6 Edge CFT Australian Blade (MCT-97) 360 Snake Eyes Viper MS TA2 #6 Dynasty XPC4 King Cobra Transition S #5 PC3 Power Chamber Oversize CG2 #6 Ti Bubble 2 Snake Eyes Viper Ti Steel Citation Tight Lies UC 10 Rim Fire VHL (oversize) Black Cat Tour TPS 6.0 Oversize Tour Cavity Professional Grind DCI 981 Snake Eyes Python Plus #6 Slingshot #6 SlingShot 40 (SS40) i-10 Apex Forged #C Burner XD MP (Mader) Spalding Elegance Titanium Copper 752TC DCI R7 TP #6 Staff Ultra 45 NG2000 AP2 #551

GAME IMPROVEMENT

MAXFLI SPALDING YONEX WILSON TOMMY ARMOUR MAXFLI COBRA PRECEPT GOLFSMITH GOLFSMITH GOLFSMITH POWER BILT POWER BILT TAYLOR MADE TOMMY ARMOUR ORLIMAR MACGREGOR NIKE FOUNDERS CLUB TAYLOR MADE POWER BILT TOSKI MAKSER COBRA GOLFSMITH MIZUNO POWER BILT TAYLOR MADE TOMMY ARMOUR WISHON COBRA TAYLOR MADE PING TITLEIST GOLFWORKS GOLFSMITH POWER BILT GOLFSMITH COBRA ADAMS GOLFSMITH TOMMY ARMOUR TITLEIST TAYLOR MADE TAYLOR MADE COBRA WILSON WILSON GOLFSMITH GOLFSMITH MACGREGOR ADAMS NIKE COBRA MAXFLI POWER BILT COBRA GOLFSMITH GOLFSMITH TITLEIST CALLAWAY ADAMS MALTBY MALTBY ADAMS TAYLORMADE GOLFSMITH GOLFSMITH NICKLAUS PING GOLFSMITH PEERLESS RAM COBRA
Australian 2000 Tour Edition V-Mass 350 Pi 5 #Hot Scot VHL (midsize) 3100 I/H Ladies #7 EC 603 tungsten #6 Snake Eyes Viper LS Snakes Eyes Viper Ladies #5 Harvey Penick Fire Steel TPS Oversize Platinum Series III RAC OS 845s Silver Scot (original) SS Scoring Iron M565 #6 Sling Shot OSS #6 Fresh Metal #6 RAC LT 2 #6 TPS Elipsoid T-54 Forged AS-4 King Cobra SS (oversize) Snake Eyes FMC-1 MX-17 #6 GrandSlam Diamond Weighting LCG Burner 855s Silver Scot 550C (forged) King Cobra #5 Transition S Hybrid Oversize Burner S59 DCI 981 SL CER 551+ Sterling Tungsten GrandSlam mens over Snake Eyes FC-01 King Cobra FP Ladies #7 IDEA Pro Forged #6 TGI.560 845m Silver Back 735 CM #6 RAC LT #6 RAC CGB #6 FP #6 Fat Shaft FS #6 Ci 6 #6 Tour Cavity Snake Eyes 600xc forged V-Foil 1025c (forged) Tight Lies NDS #6 FP #6 Revolution (multi-layer) GrandSlam H&B goal post align King Cobra 3100 I/H 400CM Deep CG HMX Twin Tune 695 CB #6 X-Forged #6 A2 OS Hybrid #7 HP Forged Tricept F1 Forged #6 Idea a1 hybrid #6 R7 #6 Tri Matrix Snake Eyes Viper Tour Airmax (low profile) i3 + Snake Eyes MC-01 Peerless Accubar Dual Cavity King Cobra Forged CB #6

CONVENTIONAL

NIKE ADAMS PING TAD MORE TITLEIST GOLFSMITH SPALDING TAYLORAMADE
Sumo SQ GT Tight Lies i 3 Blade Titanium Face 704 CB (forged stainless) Z9 Forged Face #5 Top-Flite Tour Burner Plus Womens #6

541 538

M A J O R B R A N D I R O N P L AYA B I L I T Y L E V E L S CONVENTIONAL (continued.) CONVENTIONAL (continued.)

MACGREGOR MALTBY BRIDGESTONE COBRA MIZUNO GOLFSMITH GOLFSMITH TITLEIST TAYLORMADE CLEVELAND GOLFSMITH WILSON TITLEIST WILSON DYNACRAFT TAYLORMADE MIZUNO GOLFSMITH GOLFSMITH NIKE GOLFSMITH PING TAYLOR MADE MIZUNO PRECEPT TOMMY ARMOUR TOMMY ARMOUR GOLFSMITH MIZUNO GOLFSMITH MIZUNO MACGREGOR BEN HOGAN LYNX MIZUNO BEN HOGAN TITLEIST GOLFSMITH TITLEIST COBRA CLEVELAND ADAMS GOLFSMITH TOMMY ARMOUR CLEVELAND GOLFSMITH GOLFSMITH TAYLORMADE POWER BILT TITLEIST TAYLOR MADE WILSON WISHON POWER BILT BEN HOGAN COBRA BRIDGESTONE DYNACRAFT DYNACRAFT MIZUNO MIZUNO CALLAWAY BEN HOGAN RAM WISHON NIKE NIKE NIKE TAYLORMADE MIZUNO SPALDING TOMMY ARMOUR BEN HOGAN MIZUNO WISHON DYNACRAFT KZG GOLFSMITH TITLEIST MACGREGOR BEN HOGAN NICKLAUS SPALDING FOUNDERS CLUB GOLFSMITH BEN HOGAN TITLEIST GOLFSMITH TOMMY ARMOUR MIZUNO MAXFLI TITLEIST SPALDING MIZUNO MIZUNO POWER BILT TAYLORMADE M675 #6 Logic Pro Tour J 33 #6 Gravity Back (optimum inertia) MX-950 Hemi COG Hybrid Snake Eyes VNM #5 Snake Eyes TC-01 DCI Oversize + Tour Burner #6 TA2 Harvey Penick Professional Tour X-31 (forged) #6 695MB #6 Staff R. Mendralla #5 Limited Tour Burner #6 T-ZOID Pro #6 Snake Eyes 600B Forged Snake Eyes Python OS Vr TW Forged #6 Tour Cavity Forged i 3 O-Size TP #6 MX025 #6 Tour Premium CB 845 EVO V-31 RO Blade 855s Golden Scot #6 Snake Eyes 600c Forged MX-900 #6 Snake Eyes 675XC Alton #5 M685 #6 Apex Edge Black Cat Tour Milled DC #5 TZOID MX20 #6 Edge GCD Tour ZB Forged #6 XPC Tour Steel DCI 962 King Cobra Pro CB #6 CG Red MCT Tight Lies Tour Tour Cavity Pro 845 HB CG1 #6 HI-COR XPC Sapphire R7 CGB Max Citation Forged 822-OS RAC Coin #6 (forged) Custom Laura Baugh #MC Forged #5 V-1 Cavity Spirits Apex Edge Pro TRD II V-groove J 33 Center Pad #6 1030cv Tour Caliber forged (cavity) MX-23 #6 MP-30 #6 X-Tour #6 Apex (forged) FX2 Flow Weighted 702 W Vr #6 SlingShot HL Hybrid #5 Womens SlingShot HL Hybrid #5 R7 CGB #6 MP-14 Top-Flite Plus Silver Scot #6 Apex (forged) MP-60 #H 1030b Forged II-M Harvey Penick Plus Tungsten DCI 990B Tourney Director (forged) Airbear Tour Executive MV2 The Judge-Tour CB forged XPC 3000 Apex F T X #CB (forged) Snake Eyes 675C 845 EVO V-31 Pro-II #6 Tour Limited A10 #6 DCI 990 Top-Flite Dy-Nertial MX-200 Forged #6 MP-33 GrandSlam oversize R7 Draw #418 WISHON MIZUNO TITLEIST MIZUNO GOLFSMITH CLEVELAND KZG TURNER TITLEIST 951 XA MP-32 #MB (forged) MP-57 Cut Muscle D2 G #5 TA1 (form forged) Forged II T2 Optimized Trajectory 680 (forged) 405 402

CLASSIC

GOLFSMITH TOMMY ARMOUR NIKE TOMMY ARMOUR TITLEIST CLEVELAND LYNX MIZUNO GOLFSMITH GOLFSMITH TOSKI WILSON SPALDING SPALDING WILSON CLEVELAND GOLFSMITH MIZUNO MIZUNO TOMMY ARMOUR MIZUNO ADAMS MIZUNO MAXFLI MACGREGOR TITLEIST MIZUNO TITLEIST TAYLORMADE MACGREGOR RAM MIZUNO TAYLORMADE NIKE NIKE PEERLESS COBRA NIKE BEN HOGAN PRECEPT WILSON MACGREGOR SRIXON NIKE BEN HOGAN NIKE SUPER STICK WILSON DYNACRAFT GOLFSMITH MACGREGOR MACGREGOR SPALDING SPALDING GOLFSMITH WILSON SPALDING BEN HOGAN POWER BILT

Lady XPC Plus 845s Oversize CPR 845 EVO V-25 (forged) ZM Forged #6 TA3 (cast) Black Cat Tour Milled MC #5 MP-52 Forged #6 Fire Steel T2 Snake Eyes HS 300 Target Staff Midsize RM Top-Flite Professional Top-Flite Professional Dyna Powered Staff Model TA3 (form forged) XPC Plus Twin Sole MP-67 #6 T-ZOID true Concept 2 MP-37 Idea #6 Pro MP-11 DP-801 Nicklaus Golden Bear 870 (forged) MP-62 Forged #6 DCI 762 RAC TP MB #6 M455 V-MASS (forged) Tour Grind TG-898 MP-37 #6 Tour Preferred #6 Blade (forged) Pro Combo OS #6 Acura King Cobra Pro MB #6 Pro Combo Hogan Saber (forged) Tour Premium Staff Tour Blade Super Tourney I-302 forged Vr Forged #6 Apex (forged) Pro Combo adjustable iron club X-31 Tour Tour Caliber forged (muscle) Snake Eyes Quick Strike 03 #5 MT #6 MT Pro C #6 Elite MV2 Top-Flite Professional Reg. #6 XPC3 Midsize Staff Tour RM Elite Professional Medallion Citation shaft-over hosel

PLAYERS CLASSIC

COBRA MACGREGOR BEN HOGAN MACGREGOR MAXFLI NANCY LOPEZ MACGREGOR BROWNING SPALDING TOMMY ARMOUR MACGREGOR GOLFSMITH GOLFSMITH TITLEIST BEN HOGAN
OS #5 Tourney #5 Apex (forged) MT OS #6 Australian Blade (TM-92) Albany Series 200 MT Pro M #6 John Browning (forged) Executive focal powered Ti-100 Titanium Tourney MT (forged) Snake Eyes 650 TH 20 Snake Eyes Quick Strike by Acushnet (forged) Bounce Sole (forged)

203 185

M A J O R B R A N D I R O N P L AYA B I L I T Y L E V E L S PLAYERS CLASSIC (continued.)
SPALDING BEN HOGAN POWER BILT GOLFSMITH WILSON TITLEIST COBRA GOLFSMITH CLEVELAND POWER BILT BURKE BEN HOGAN SPALDING POWER BILT SPALDING CLEVELAND BURKE MACGREGOR TITLEIST SPALDING BURKE Top-Flite Syncro-Dyned Apex Plus (Forged) Silver Series (Junior) Tour Cavity Forged Pro Staff Junior set Tour Model (Forged) King Cobra II (oversize) Pro Forged VAS #6 TPS Forged Punchiron Bounce Sole +1 (forged) Robert T. Jones Jr. Registered Bill Kaiser Elite MV2 VAS 792 #6 Billy Burke Tourney CF4000 (forged) AC108 (tungsten) Symetric Set Mashie -6 -7 -44 -195 -197 -330 -341 -412 -606 -873