A first for me

Delwin D Fandrich pianobuilders@olynet.com
Wed, 30 May 2001 21:21:34 -0700


----- Original Message -----
From: <kam544@flash.net>
To: <pianotech@ptg.org>
Sent: May 30, 2001 9:02 PM
Subject: A first for me


> List,
>
> Experienced a minor oddity today.
>
> Replaced a broken B7 treble string on a 1960s' Steinway D today.  Measured
> the string with a digital caliper and came up with .030 (Size 12 1/2).
> However, the plate was clearly marked 13 1/2 as the lowest size.
>
> The string was original.
>
> Is it possible for a string to stretch itself over the years by that much
> and become a smaller diameter than it was in the beginning?
---------------------------------------------------

No.

Don't trust those digital calipers. I have one as well -- a nice, expensive
Mitutoyo Absolute -- and it's a great tool, but it doesn't take the place of
a nice digital micrometer.

Regards,

Del



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