Inharmonicity goes down with increased tension, all other things being equal. --- Joe Garrett <joegarrett@earthlink.net> wrote: > David Renaud said: "to calculate rescaling. > Never done this before. > > What is prefered range of tension and % of breaking > point at various points along the scale? > .....this is not for the bass strings. > > Old grand or upright piano(both) > 160lbs average?? > If Inhar. goes up by increasing tension with larger > wire is this bad.....or is inhar good at some point? > How much inhar. is too much?" > > David, > Inharmonicity works in relation to tension. If the > tension goes up, so does Inharmonicity. I was told, > by my mentor, "do not exceed 60% of the breaking > strength." Many times this is not possible to > follow, but it's a good rule of thumb. I would > suggest you consider using a "loudness/impedance" > formula, as well. The combination of all, in, > hopefully, linear graphs, will give you what you > desire. When running a scale, I try to percieve what > the intent of the piano designer/manufacturer was. > Most of the time this is apparent, but many pianos > were "copy-cat" types and the "copy" got lost in the > translation! Doing lots of scales & putting them > into practice, (ie rebuilds on your stuff<G>), is a > big help in coming to the conclusions that will work > for you and the pianos you are re-whatevering. > Or.....you can send the scale to someone like me or > Del or Ron or...????? and let them figure it out.<G> > Best Regards, > Joe Garrett, R.P.T. > Captain, Tool Police > Squares R I ===== Ryan Sowers, RPT Puget Sound Chapter Pianova Piano Service Olympia, WA __________________________________ Do you Yahoo!? Yahoo! Mail is new and improved - Check it out! http://promotions.yahoo.com/new_mail
This PTG archive page provided courtesy of Moy Piano Service, LLC