[pianotech] Liter box / piano

[Roger@Integra.com]

Rick,
When I attended the Yamaha Red School house for training we were visited by 
the casting engineer from the Yamaha factory. He was asked how much tension 
could you apply to all the strings before the plate would break. He 
responded with a puzzled look and said " All the strings would break before 
the plate". His puzzlement stemmed from an engineers perspective of design 
to that of the layman. No engineer would design a product that would fail 
within the margins presented in your situation.
Roger Gable

----- Original Message ----- 
From: "Richard Ucci" <richarducci at comcast.net>
To: <pianotech at ptg.org>
Sent: Thursday, November 18, 2010 9:32 AM
Subject: [pianotech] Liter box / piano


> List,
> These string have started popping, all need replacing. I'm planning on
> replacing under string felt and tuning pins. I'm thinking agraffes too.
> Only the tenor section is damaged, can the tension be lowered on just
> that section without risking cracking the plate?
>
>


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