Welcome back, today I would like to discuss racket evaluation and checking the racket for cracks,stress fractures, etc. Racket stringing is a technical field and many basic prechecks need to be done before you can actually string a racket. Rackets have stress points, they crack for various reasons and unrelated to the obvious throwing or slamming of the rackets. Rackets break down and every retringing puts several thousands of pounds of pressure on. Professional players use rackets anywhere from one time to 6 months at most, generally. Fresh rackets -new rackets, have a different feel than those strung 100 times.

If you start selling racket along with stringing, make sure to document when the racket was sold, and keep records for the customer, if you have a RDC machine (babolat diagnostic center) you can provide technical data as well. . Ok enough about that, on too todays topic.

If a racket is cracked, whether small or the racket starts to implode then you would be better off explaining to your customer that a new racket is in order. It is not worth your time or the customers to restring a cracked racket. If you have a minor stress fracture and see only a hairline in the racket then you might be able to get away with stringing it once or twice more (at moderate tension and a professional stringing machine, the better machines have a six point mounting for more support.

If you look at the picture above, this is a simple diagram of 4 major racket points, when you explain to your customer or the warranty department of the manufacturer it helps to convey where the crack is. Use the numbers to tell your story. " the crack is at 12 oclock or the crack is at 2.00 position." simple verbage but it helps.

Ok thats it for today, some good tennis on - federer, hantuchova , sharapova...

please email any comments or questions. thanks till later.

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