Tennis RacquetsContrasting CasesHain-Lee Hsueh

This is a tennis racquet

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)

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

2-D Gradient

Weight Distributionvery HH very HL

Head Size

90 sq. in.

140 sq. in. More Power

Less Power

Contrasting CasesWhich racquet is more powerful?

Head Size 90 sq. in.

Weight Distribution +9Stiffness 65String Pattern 16x19

Head Size 118 sq. in.

Weight Distribution -7Stiffness 69String Pattern 16x19

Head Size 118 sq. in.

Weight Distribution -7Stiffness 69String Pattern 16x19

Head Size 100 sq. in.

Weight Distribution +6Stiffness 70String Pattern 16x19

Head Size 93 sq. in.

Weight Distribution +7Stiffness 65String Pattern 18x20

Head Size 100 sq. in.

Weight Distribution +7Stiffness 65String Pattern 18x20

Head Size 93 sq. in.

Weight Distribution +8Stiffness 60String Pattern 18x20

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