yamaha wire is metric

[Marcel Carey]

Not sure about this, but I think that 14.5 on the bridge is equivalent
to 14 standard US size. Yes, I just checked with the micrometer and
metric 15 1/2 is exactly .035" which is 15 standard.

Marcel Carey, RPT
Sherbrooke, QC  Canada,

> -----Original Message-----
> From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org]On
> Behalf Of pianolover 88
> Sent: October 16, 2004 8:14 PM
> To: pianotech@ptg.org
> Subject: yamaha wire is metric
>
>
> Found out today that the wire size indications that Yamaha
> stamps on their
> grand piano bridges are METRIC, not standard sizes.  I
> confirmed this with
> tech Greg at yamaha corp. When I mentioned this to a couple
> other techs (who
> have more experience than myself), their typical reaction
> was, "hmmm, I
> didn't know that". So, for example, 14.5 on the bridge
> calls for 15 standard
> size. How many on the list knows this? (Probably most
> everyone but me! :))
>
> Also, since I'm restringing my yamaha G1, after removing
> the old understring
> felt, i found that the "curved" piece at the beginning of
> the plain wire
> tenor section (between agraffe and tuning pins) is actually
> a piece of
> cardboard, covered with thin felt, instead of one thick
> piece, as in the
> last two sections. Upon further inspection, the underside
> of the cardboard
> also has an extra strip of the material on one side, and a
> thinner strip of
> felt on the other, for DB purposes no doubt. I wonder if
> you can order these
> pieces ready-made, or will i  have to just make a "copy' of
> it myself.
>
>
> Terry Peterson
>
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