NSL analysis is invaluable in figuring out what to do in these unusual cases in order to acheive a stable tuning.
Tuning Pianos
Hooke’s Law and this Long Non-Speaking Length (NSL) Mean I Have to Turn the Pin Quite a Bit Before the String Slips Across the Agraffe and The Pitch Changes.
August 16, 2016
By Mark Cerisano, RPT, B.Sc.(Mech.Eng.)
