It's elementary, my dear Watson. Twisting the wire work hardens it and therefore it is stronger. Anyway, that's as good as any for a reason. Carl Meyer PTG assoc Santa Clara, Ca. ----- Original Message ----- From: "Delwin D Fandrich" <fandrich@pianobuilders.com> To: "'Pianotech'" <pianotech@ptg.org> Sent: Saturday, June 25, 2005 11:41 AM Subject: Piano wire tensile strength > > I just read something in an old report I've been looking at that strikes > me as > odd. Basically it says that piano builders put as many as three or four > twists > in bass strings to increase the tensile strength of the core wire. > > Does this ring any bells? Does anyone know of a piano manufacturer doing > this > (twisting bass strings this much)? Is anyone out there metallurgist enough > to > know if there is any validity to this claim? > > Del > > Delwin D Fandrich > Piano Design & Fabrication > 512 Hanna Avenue > Aberdeen, Washington 98520 > USA > Phone 360.532-2563 > Fax 360.537-1262 > <mailto:fandrich@pianobuilders.com> > <http://www.pianobuilders.com> > > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives >
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