wire curve

Delwin D Fandrich pianobuilders@olynet.com
Tue, 02 Mar 1999 10:11:13 -0800



Michael Jorgensen wrote:

> Ron,
>     String curvature force orientation, microscopic as it is, affects
> the speaking length.  Any factor bearing on the speaking length and
> therefore motions of a piano string is usually serious.  Consider the
> huge affects resulting from micro changes in hammers, terminations, or
> phasing.  I admit this is strictly conjecture and hypothesis and not
> tested but it should be considered seriously.
>     Has any piano company ever strung a piano where the strings have
> never been coiled.  i.e. cut in long pieces and shipped in pipes?
> (Might double the low price of wire).  Who knows, in twenty years you'll
> have to carry twenty or so pipes on your car.
> -Mike

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Michael, Ron, et al.,

A few years back I did some work comparing straight vs. coiled piano wire in plain
steel strings of various pitches and lengths and in single and double wrapped bass
strings, again in various pitches and lengths.  There were no discernible
differences either audible or measurable.

Del



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