golf grip design: natural golf - engr.iupui.edu · natural golf & iupui natural golf natural...

20
Golf Grip Design: Natural Golf Burkhart, James Christopher, Steven Schmidt, Andy Thomas, Art

Upload: lamhuong

Post on 30-Jul-2018

243 views

Category:

Documents


3 download

TRANSCRIPT

Page 1: Golf Grip Design: Natural Golf - engr.iupui.edu · Natural Golf & IUPUI Natural Golf Natural Golf Swing (Moe Norman) 100,000 Customers Think out-of-box Quality Products Localized

Golf Grip Design:Natural Golf

Burkhart, JamesChristopher, Steven

Schmidt, AndyThomas, Art

Page 2: Golf Grip Design: Natural Golf - engr.iupui.edu · Natural Golf & IUPUI Natural Golf Natural Golf Swing (Moe Norman) 100,000 Customers Think out-of-box Quality Products Localized

Natural Golf & IUPUINatural Golf

Natural Golf Swing (Moe Norman)

100,000 Customers

Think out-of-box

Quality Products

Localized Training

Page 3: Golf Grip Design: Natural Golf - engr.iupui.edu · Natural Golf & IUPUI Natural Golf Natural Golf Swing (Moe Norman) 100,000 Customers Think out-of-box Quality Products Localized

Natural Golf & IUPUIIUPUI

Leader in engineering education

Capable Senior Engineers

Current project with IUPUI Fort Wayne

Scientific Design

Page 4: Golf Grip Design: Natural Golf - engr.iupui.edu · Natural Golf & IUPUI Natural Golf Natural Golf Swing (Moe Norman) 100,000 Customers Think out-of-box Quality Products Localized

Why a New Grip?Increase Sales

Need story to tell

Need features to sell

Meet customer desiresIncrease distance

Increase accuracy

Increase Comfort

Reduce Vibration

Reduce Slip

Reduce Torque

Page 5: Golf Grip Design: Natural Golf - engr.iupui.edu · Natural Golf & IUPUI Natural Golf Natural Golf Swing (Moe Norman) 100,000 Customers Think out-of-box Quality Products Localized

BenchmarkingNo Industry DataNo Standard TestingNo Specific Engineering SpecsMeasurable Specs

Distance (Yd)

Accuracy (Ft)

Slip Resistance (G)

Vibration (Hz)

Torque (Ft. lb.)

Page 6: Golf Grip Design: Natural Golf - engr.iupui.edu · Natural Golf & IUPUI Natural Golf Natural Golf Swing (Moe Norman) 100,000 Customers Think out-of-box Quality Products Localized

How to Measure?Distance traveled

Accuracy from the pin

Vibration test

Slip Resistance

Torque

Weight Verification

Page 7: Golf Grip Design: Natural Golf - engr.iupui.edu · Natural Golf & IUPUI Natural Golf Natural Golf Swing (Moe Norman) 100,000 Customers Think out-of-box Quality Products Localized

Distance & AccuracyThree identical clubs

Three different grips

One Natural Golf Expert

Laser and Tape Measure

Page 8: Golf Grip Design: Natural Golf - engr.iupui.edu · Natural Golf & IUPUI Natural Golf Natural Golf Swing (Moe Norman) 100,000 Customers Think out-of-box Quality Products Localized

VibrationFixture & Layout

Page 9: Golf Grip Design: Natural Golf - engr.iupui.edu · Natural Golf & IUPUI Natural Golf Natural Golf Swing (Moe Norman) 100,000 Customers Think out-of-box Quality Products Localized

Don’t Slip (Dry or Wet)

Fixture & Layout

Page 10: Golf Grip Design: Natural Golf - engr.iupui.edu · Natural Golf & IUPUI Natural Golf Natural Golf Swing (Moe Norman) 100,000 Customers Think out-of-box Quality Products Localized

TorqueAnalysis & Formula

•T = F*rperpendicular

Page 11: Golf Grip Design: Natural Golf - engr.iupui.edu · Natural Golf & IUPUI Natural Golf Natural Golf Swing (Moe Norman) 100,000 Customers Think out-of-box Quality Products Localized

Improvement GridBenchmarks

Engi

neer

ing

Requ

irem

ent

Dir

ecti

on o

f Im

prov

emen

t

Uni

t of M

easu

re

Lam

kin

(Bus

ter)

Scut

i (Bi

g Li

te)

Enlo

w

Nat

ural

Gol

f (Pa

lm G

rip)

Des

ign

Targ

et

Distance Traveled = Yards 114 111 n/a 115 110+

Distance from Pin = Feet 19 24 n/a 20 20-

Vibration < Hz 0.0093 0.006 n/a 0.008 0.006-

Torque* < In-Lb 36.4 47.7 n/a 39.9 50.0+

Weight =Industry Standard

D3 E0 n/a D2 D1 or D2

Slip Resistance (Dry) > Grams n/a 339 180.5 281 300+

Slip Resistance (Wet) > Grams n/a 175.5 156.5 175 175+

Page 12: Golf Grip Design: Natural Golf - engr.iupui.edu · Natural Golf & IUPUI Natural Golf Natural Golf Swing (Moe Norman) 100,000 Customers Think out-of-box Quality Products Localized

Constraints to Creativity

USGA RulesCan’t be shorter than 7”

Can’t have bulges or waist

Can’t have ribs or indentations greater than .04”

Page 13: Golf Grip Design: Natural Golf - engr.iupui.edu · Natural Golf & IUPUI Natural Golf Natural Golf Swing (Moe Norman) 100,000 Customers Think out-of-box Quality Products Localized

Experts OpinionRealistic Improvements

Reduce Vibration

Reduce Slip

Reduce Torque

Guaranteed SustainmentDistance

Accuracy

Page 14: Golf Grip Design: Natural Golf - engr.iupui.edu · Natural Golf & IUPUI Natural Golf Natural Golf Swing (Moe Norman) 100,000 Customers Think out-of-box Quality Products Localized

Materials to be Tested

Material Hardness Density (g/cm3)

Silicone 60A 1.34

Polyurethane (High-Density)

60A 1.32

Polyurethane (Low-Density)

40A 1.26

Neoprene 75A 1.29

Nitrile, Buna-N 75A 1.26

Page 15: Golf Grip Design: Natural Golf - engr.iupui.edu · Natural Golf & IUPUI Natural Golf Natural Golf Swing (Moe Norman) 100,000 Customers Think out-of-box Quality Products Localized

Results (Vibration)Able to reduce to nearly 500 Hz

with Low-Density PolyurethaneMaterial Frequency (Hz)Silicone 1167Polyurethane (High-Density) 633Polyurethane (Low-Density) 533Neoprene 1267Nitrile, Buna-N 1633

Page 16: Golf Grip Design: Natural Golf - engr.iupui.edu · Natural Golf & IUPUI Natural Golf Natural Golf Swing (Moe Norman) 100,000 Customers Think out-of-box Quality Products Localized

Results (Slip Resistance)

Low-Density Polyurethane Demonstrated Best Results

Silicone Low-Density Polyurethane

High-Density Polyurethane

Nitrile (Buna-N)

Neoprene

Dry (g) Wet (g)

Dry (g) Wet (g)

Dry (g) Wet (g)

Dry (g) Wet (g)

Dry (g) Wet (g)

1 171 153 200 145 80 79 125 102 170 122

2 170 157 210 135 85 81 120 108 168 124

Page 17: Golf Grip Design: Natural Golf - engr.iupui.edu · Natural Golf & IUPUI Natural Golf Natural Golf Swing (Moe Norman) 100,000 Customers Think out-of-box Quality Products Localized

Results (Torque)Oversized Design Reduces

Torque from the Shaft by Over 60%

Page 18: Golf Grip Design: Natural Golf - engr.iupui.edu · Natural Golf & IUPUI Natural Golf Natural Golf Swing (Moe Norman) 100,000 Customers Think out-of-box Quality Products Localized

Results…Benchmarks

Engi

neer

ing

Requ

irem

ent

Dir

ecti

on o

f Im

prov

emen

t

Uni

t of

Mea

sure

Lam

kin

(Bus

ter)

Scut

i (Bi

g Li

te)

Enlo

w

Nat

ural

Gol

f (Pa

lm

Gri

p)

Des

ign

Targ

et

Expe

cted

Res

ults

Distance Traveled

> Yard 114 111 n/a 115 110+ 110

Distance from Pin

> Feet 19 24 n/a 20 20- 20

Vibration < Hz 667 767 n/a 867 600- 533-

Torque < % (In-Lb) 36.4 47.7 n/a 39.9 50.0+ 61.2

Weight =Industry Standard

D3 E0 n/a D2 D1 or D2 D1 or D2

Slip Resistance (Dry)

> Grams n/a 339 180.5 281 300+ 205++

Slip Resistance (Wet)

> Grams n/a 175.5 156.5 175 175+ 140++

Page 19: Golf Grip Design: Natural Golf - engr.iupui.edu · Natural Golf & IUPUI Natural Golf Natural Golf Swing (Moe Norman) 100,000 Customers Think out-of-box Quality Products Localized

Final Design