Differences in stringing pattern comparison

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4 Knots stringing – Uniform tension

We have already proposed it in previous articles, but we place it as a reference element since the 4 knot stringing is considered a standard and widespread throughout the world, both in tournaments and in clubs and shops, for practicality, simplicity and effectiveness of performance.

The tension applied to the vertical strings, in this case, is the same one applied to the horizontal ones, starting from the consideration that during the assembly phase of the horizontal strings, the presence of the pre-installed vertical strings causes a friction that will return an effective tension lower than the nominal one. In essence, applying 24kg on vertical strings and 24kg on horizontal strings will result in a differentiation of tensions due to the presence of friction during assembly and traction of the so called “cross strings”.

The more coefficient of friction between the strings is installed, and the more tension is applied, the higher the difference in effective tension between mains and crosses will be. 

Sweetspot analysis

Racket usedBabolat Pure Drive 2018
String usedSignum Pro Poly Plasma 1.23
Pattern4 knots – vertical symmetrical – horizontal with “weaving one ahead” technique
Tensions24 / 24 kg
Knot overtension+10%
Real tension of the stringbed detected with pro-t-one chromatic S.T.D.24 kg
Vibration frequency625Hz
Waiting time4 hours
Real tension of the stringbed detected with pro-t-one chromatic S.T.D.23.2kg ⇨ loss of tension -0.8kg
Vibration frequency599Hz
Rated dynamic stiffness of the top of the platter38.3 DT-CH ⇨ the middle part of the plate: 34.5 DT-CH
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