Originally Posted by DrAiN
Hi there, I read that even if a string is pulled at e.g. 25kg, friction in the strings reduce the tension when stringing. Is it true? How much does it reduces? If they say, for example that Nadal's racket was stringed at 25 kg, does it mean that the real stiffness is lower than that, or professional stringing is able to keep It accurate?
Loss of tension, from set tension to actual string tension in a racquet, does happen. It can be reduced, some, by good stringing technique. The amount of tension loss varies by string, stringing machine and stringer.