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Old 01-12-2013, 06:56 PM   #11
McLovin
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Quote:
Originally Posted by julian View Post
How do you know whether 52.5 is a number referring to a gut or
a poly?
A git should loose between 7 and 9 percents
PS I am NOT a stringer,I am a tennis coach
RacquetTune has a 'hybrid' setting, so the tension loss is the overall string bed. Whether it is due to the gut or the poly, I do not know.

BTW, I forgot to mention that the Co. Focus is 17g (1.23mm).
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