more heresy

Richard Moody remoody@easnetsd.com
Wed, 17 Sep 1997 01:05:53 -0500



----------
> From: Delwin D Fandrich <pianobuilders@olynet.com>
> To: pianotech@ptg.org
> Subject: Re: more heresy
> Date: Tuesday, September 16, 1997 8:31 AM
> 
> Richard Moody wrote:
> > 
> > ----------
> > > From: Hrschm@aol.com
> > > To: pianotech@ptg.org
> > > Subject: Re: more heresy
> > > Date: Monday, September 15, 1997 7:46 AM
> > >
> > > In a message dated 97-08-20 10:46:44 EDT, you write:
> > >
> > > <<
> > >  Estimates of string downforce against the bridges of modern
pianos
> > >  varies from about 0.5% to 1.5% of overall scale tension.
> > 
> > Is there a formula to compute this down bearing?  I am looking
for
> > one that computes the down bearing of a single string, given its
> > tension and deflection.
> > Richard Moody
> 
> See "The Piano - Its Acoustics," by W.V. McFerrin, Chapter 9.
> 
> --ddf

Anybody have a copy they want to sell? 

Richard Moody 


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