Volkl Grand Slam

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The Volkl Grand Slam was a contemporary of the Highspeed 35 but for a different target player.  The head size is smaller but the beam height is about the same except at the very top which is slimmer than the Highspeed 35.

The color, red and maroon, is very nice and very German/Austrian.  The cosmetic is very aggressive and well ahead of it’s time.  Typical of that era the cosmetic finishing is very, very minimal.

Manufacturer
Vollk
Racquet ModelVolkl Grand Slam
Reference TensionNot Strung
StringNot Strung
Static Data
ASPS, RDC0
ASPS, FlexFour0
Racquet Flex, RDC62
Racquet Flex, FlexFour47
Weight, Gram345.2
Weight, Ounce12.18
Balance, mm311.5
Balance, Inch12.26
Length, cm69.0
Length, Inch27.165
Head Width9.15
Head Length12.85
Head Area, sq cm595.8
Head Area, sq in92.3
Number of Main Strings16
Number of Cross Strings19
Ratio Cross/Main0.600
Main String Grid6.56
Cross String Grid10.06
Density0.708
Average Cross String Spacing0.529
Average Main String Spacing0.406
Dynamic Data
Dynamic Tension, KP, ERTNot Strung
Dynamic Tension, Lbs/inNot Strung
First Moment, Nm0.818
Polar Moment329
Torsional Stability12
Swing Weight, Gram317
Swing Weight, Ounce11.18
Swing Weight Calculated335.0
Power, RDCNot Strung
Control, RDCNot Strung
Maneuverability, RDC
Not Strung
Power, Calculated1851.2
Head Points10.55
Head Weight, Percent45.1
Center of Percussion21.0
Dwell Time, MsNot Strung
Effective StiffnessNot Strung
K, lb/inNot Strung
Recoil Weight164.91
Twist Weight218.28

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