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Gut thickness and tension

I’m intending going back to natural gut after trying Luxillon M2 and also X1 Biphase for a while. I’ve noticed the Babolat gut has some poor reviews due to the adding of BT7. I was looking at the Wison and noticed that they do gut in 1.35. I assume this would increase durability over 1.30 thickness. Would playability be adversely affected?
On tension I was thinking of 50ib without pre-stretching in a Pure Drive, I strung the Luxillon at 45.
Any advice most welcome

1 Comment
  • jeffd on September 27, 2015

    I have seen equally good reviews about Babolat gut. The BT7 technology was added specifically to improve durability and the performance of the string. Whether you believe it is simply a matter of choice or, better, the result of testing one with another and seeing which you personally prefer. I see way too many ‘opinions’ that are contrary to known physical principles to take much notice of them.
    Increase in diameter will lead to an increase in durability if all else remains equal, but there will be an inevitable change in playing characteristics. Whether it is significant can only be determined by personal testing. As the majority of players seem o prefer the playing characteristics of relatively thinner strings, my own thoughts are that the increase in durability is in proportion to the decrease in ‘playability’ and you should choose an increase in diameter only if you are willing to trade a similar degree of one for the other.
    Gut is a much softer string than M2, so an increase in tension would be appropriate if you want to try to maintain a similar feel and response. But there is not necessarily a ‘straight-line’ relationship between stiffness and tension – such that a string that is 20% stiffer should be strung at a 20% reduced tension. The mathematics and physics don’t make sense – and rarely would you be able to create a similar feel or response: you can’t turn a synthetic string into gut just by changing its tension…

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