Download pptx - Tennis Racquets

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Page 1: Tennis Racquets

Tennis RacquetsContrasting CasesHain-Lee Hsueh

Page 2: Tennis Racquets

This is a tennis racquet

Page 3: Tennis Racquets

Some Dimensions• Head Size (sq. in.)• Midsize: 80-93• Midplus: 95-98• Oversize: 102-140

• Weight Distribution

• Head-heavy (HH): < 0• Balanced: ~0• Head-light (HL): > 0

• Other Dimensions• Stiffness • String Pattern

• open (sparse)• closed (dense)

Page 4: Tennis Racquets

Rough Power RelationshipsHead Size Weight Distribution

Stiffness String Pattern

In general, there is a trade-off between power and control.

Power

Head Size (sq. in.)

Power

Stiffness

Power

Weight DistributionHLHH

Power

String Pattern16x18(open)

18x20(closed)45 80

80 140

Page 5: Tennis Racquets

2-D Gradient

Weight Distributionvery HH very HL

Head Size

90 sq. in.

140 sq. in. More Power

Less Power

Page 6: Tennis Racquets

Contrasting CasesWhich racquet is more powerful?

Page 7: Tennis Racquets

Head Size 90 sq. in.

Weight Distribution +9Stiffness 65String Pattern 16x19

Head Size 118 sq. in.

Weight Distribution -7Stiffness 69String Pattern 16x19

Page 8: Tennis Racquets

Head Size 118 sq. in.

Weight Distribution -7Stiffness 69String Pattern 16x19

Head Size 100 sq. in.

Weight Distribution +6Stiffness 70String Pattern 16x19

Page 9: Tennis Racquets

Head Size 93 sq. in.

Weight Distribution +7Stiffness 65String Pattern 18x20

Head Size 100 sq. in.

Weight Distribution +7Stiffness 65String Pattern 18x20

Page 10: Tennis Racquets

Head Size 93 sq. in.

Weight Distribution +8Stiffness 60String Pattern 18x20

Head Size 93 sq. in.Weight Distribution +8Stiffness 60String Pattern 16x19


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