Tune it where it is

[Newton Hunt]

Hi Frank,

Well, you can come along and break strings with the rest of us.

Don't confuse the newbies, they have to learn to replace strings and
what it feels like to break them.

Thanks for the look up. (I thought he said 40 cents.  Ah well,
fallible me.)

		Newton

Frank Cahill wrote:
> 
> Hi Newton.
> 
> oops I made a mistake on this one. Sanderson says "Never go more than 50 cents
> sharp".  This is from his "PIANO TECHNOLOGY TOPISC" #3.  Oh well, it's better to
> be embarrased and learn something. I've been limiting myself to 20 Cents.
> 
> Newton Hunt wrote:
> 
> > > says never raise more than 20 cents sharp or else risk breaking the string.
> >
> > Show me where Al says this!!  20 cents is 440 to 445.113 Hz.  I would
> > only be concerned if the pitch change went from 440 to 460 or almost
> > 3/4 semi-tone.
> >
> > The pitch or cents is not as important as is breaking % and elastic
> > limit.  If you are approaching 80 B% you run the risk of breaking
> > strings.  If the strings are old and on a high tension scale then
> > coming close to 70 B% puts strings at risk.
> >
> > I think the quote above is a misquote or misunderstanding.
> >
> > NOT understanding some about scaling, tension, breaking %,
> > inharmonicity, friction and the relationship between cents, Hz or B%
> > places yourself at string breakage risk.  Understanding something of
> > these factors gives you more flexibility to do what you want to do
> > without the risk.
> >
> >                 Newton
> 
> --
> 
> Frank Cahill
> Associate Member, Piano Technicians Guild
> Northern Va