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Weight Stabilizing - Liquid

Brand:

Model:

Year:

(documented or estimated)

Background facts:

Dynaspot

GS 200

1979

 

Movable mass tennis racket. Graphite Composition - String tension 53/58 lbs. 1982 US Pat No. 4.330.125 Dynaspot Corporation.

The concept: The liquid in the racket frame puts the weight at the optimal point when hitting the ball

Perspectives

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