string length possible in given cabinet size?

[Carl Meyer]

Well, I guess if you took a 10 foot chorus girl, measured from her "G"
string to the floor then added her bust size, you'd be pretty close.

You like big things, Huh?

Carl M


----- Original Message -----
From: "Stephen Airy" <stephen_airy@yahoo.com>
To: <pianotech@ptg.org>
Sent: Thursday, March 29, 2001 1:27 PM
Subject: string length possible in given cabinet size?


> I was wondering -- How does a piano maker figure out
> how long his longest string on each bridge can be?  I
> was thinking -- if I designed a 64-inch tall and
> 76-inch wide upright (extra width cause I would like
> an extra octave at each end) (would probably be
> several years before I could actually start a project
> like this if I ever get around to doing it), is there
> a way I could figure out how long my longest string
> can be on the bass, and my longest tenor string
> length?  I was thinking I could possibly have a 81" or
> 84" longest string on the bass and maybe a 68" string
> on the lowest tenor note.  I am thinking of a scale
> like A-12 (negative numbers = below lowest note on
> 88-key piano) to B3 = wound monochords, C4 to G#12 =
> wound bichords, A13 to B15 = wound trichords, then C16
> to C100 (extra octave in treble IF possible) would be
> plain trichords.  I'm thinking of having a bass/treble
> break at A#12/A13 or B15/B16.  What do you guys think
> would be the longest strings I could get in a cabinet
> that size?  Also the keyboard would probably be
> designed for standing up at the piano, or for using a
> fairly tall stool.  I'm thinking of a keyboard height
> of 36 inches from the floor to the tops of the naturals.
>
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