This is a multi-part message in MIME format. ---------------------- multipart/alternative attachment "Mystery Writer" asked: "This question is so basic and naive, I fear the = wrath of the list so I =3D will ask it annonymously ... =3D20 Customer asked: "I understand that humidity change is the principle =3D cause for going out of tune, but if it gets flat than sharp, etc., why = is the =3D long term trend always flat? In other words, if it's a fact that the = tuning =3D pins are slowly turning counterclockwise with playing and weather, why = can't =3D you just lock them in place, somehow, so the piano stays close to pitch = all =3D the time?" =3D20 I stood there staring stupidly and could not conjur a sensible-sounding answer. =3D20 What would YOU say? =3D20 Dear Mystery Writer, When a piano draws moisture, it goes sharp, which increases the tension = of the strings. Which, in turn, stretches the strings. When the piano = goes back to an equilibriam below the higher moisture situation...the = strings are not "springs" that recoil back to their original = position/length...THEREFORE the piano is now FLAT. K?<G> Best Regards, Joe Garrett, R.P.T. Captain, Tool Police Squares R I ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/59/ce/d1/cc/attachment.htm ---------------------- multipart/alternative attachment--
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