The answer from Yamaha

[Avery Todd]

Why not just buy metric wire? If I remember correctly, Don Manino and/or Kawai
did a lot of measuring several years ago and some of the wire sizes are the 
same.
But not all. Do you still have that handout, Don?

Avery

At 05:41 PM 10/18/04, you wrote:
>earlier today I spoke with tech  Dave Durbin, of yamaha Corp. He confirmed 
>that the stamped scale indications on the long bridge are INDEED Metric, 
>as I suspected. On the vast majority of grands, and probaly uprights as 
>well, "Suzuki" wire, which is metric sized, is used. Bottom line from 
>Yamaha: When restringing with American Standard wire,  use 1/2 size 
>smaller than indicated on the bridge. Simple enough.
>
>Terry Peterson
>
>
>
>----Original Message Follows----
>From: David Ilvedson <ilvey@sbcglobal.net>
>Reply-To: ilvey@sbcglobal.net, Pianotech <pianotech@ptg.org>
>To: <pianotech@ptg.org>
>Subject: Re: yamaha wire is metric..OT
>Date: Mon, 18 Oct 2004 13:55:12 -0700
>
>I've been conversing back and forth off list with Terry on this...in my 
>experience with Yamahas, when I replace a  broken string I mic and have 
>found that area in between two bridge stamps, i.e. 13.5, 14 etc. is read 
>from right to left, treble to bass.   On Terry's piano the last size 
>stamped on the bridge is 13.5.   This is several unisons towards the bass 
>from note #88.  In other words there is no 13 stamped on the bridge!  The 
>size from #88 note down (towards the bass) to the 13.5 stamp is size 13 
>wire.   From 13.5 stamp down (towards the bass) to 14 stamp is 13.5 and onward.
>
>David I.
>
>
>
>----- Original message ---------------------------------------->
>From: Farrell <mfarrel2@tampabay.rr.com>
>To: Pianotech <pianotech@ptg.org>
>Received: Mon, 18 Oct 2004 09:32:56 -0400
>Subject: Re: yamaha wire is metric..OT
>
>>I've been following this tread with interest as I service a number of 
>Yamaha
>>C3s that get beat on and need string replacements somewhat frequently.
>>Perhaps I missed the key post, but has there been any consensus as to
>>whether the gauge numbers marked on the long bridge are consistent with
>>Roslau & Mapes gauge sizes?
>
>>Terry Farrell
>
>
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