Piano wire tensile strength

[Avery Todd]

Dell,

I'd always heard one twist in the singles and two in the doubles.

I just got a set from J. Arledge for an L and he says he "pre twists"
them when he makes them and don't twist them more unless needed.

Avery

At 01:41 PM 6/25/05, you wrote:

>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>
>
>
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