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Old 04-29-2010, 09:10 PM   #8
corners
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Join Date: Jul 2008
Posts: 5,158
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The head of USRSA is the TW Professor. His testing at TWU is much better, in that he's tested the strings at three reference tensions, rather than one, and tested for things other than stiffness and tension loss - energy return, dwell time, etc.

http://twu.tennis-warehouse.com/lear...ngselector.php

It gives much more information, but it's not as easy to compare strings and doesn't have have as many strings, yet.
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