[pianotech] M&H "A" Scale

[Mike Spalding]

Jim,

Here's the original scale data from an A3, as measured last year and 
entered into pScale to calculate tension, inharmonicity, and percent of 
breaking strain. 

Mike

Jim Moy wrote:
> Number on tail of plate is A 3.
>
> Jim
>
> On Fri, Jan 29, 2010 at 10:23 AM, <RWyatt8547 at aol.com 
> <mailto:RWyatt8547 at aol.com>> wrote:
>
>     Please look at the back corner in the plate and it will have A
>     1,2,3,4,5,6, stamp in to it
>      
>     I                                                                                    Rick
>     Wyatt
>      
>      
>      a message dated 1/29/2010 9:59:23 A.M. Central Standard Time,
>     erwinspiano at aol.com <mailto:erwinspiano at aol.com> writes:
>
>         The original scales vayied. They tried many sizes of wire at
>         the tenor bass break. New Masons have some wrapped string
>         there & highly suggest a few unisons there if its not too
>         late, other wise it doesn't matter what size wire you use they
>         all sound insuffieicent. ASk me how.........If I have time
>         I'll post one
>           Dale
>
>
>
>         -----Original Message-----
>         From: Jim Moy <jim at moypiano.com <mailto:jim at moypiano.com>>
>         To: Pianotech List <pianotech at ptg.org <mailto:pianotech at ptg.org>>
>         Sent: Fri, Jan 29, 2010 7:09 am
>         Subject: [pianotech] M&H "A" Scale
>
>         I am working with my mentor on a rebuild, an M&H "A" #30386
>         (Pierce 1922).  New soundboard is in, and we kept original
>         bridges.  Judging by the strings removed, someone made
>         interesting modifications to the scale.  We'd like to go in
>         and do some scale design ourselves for fun and education.
>
>         I found a 2005 pianotech reference by Del Fandrich on how he
>         has taught approaching this particular model, so have inquired
>         there.  If anyone has original scale information readily
>         available, it would assist our efforts.  Any pointers
>         appreciated as well!
>
>         Thanks,
>
>         Jim Moy, RPT
>         http://www.moypiano.com <http://www.moypiano.com/>
>
>
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