[pianotech] How come?

[Ron Nossaman]

On 10/24/2010 12:25 AM, Bppiano wrote:
> Thanks for the input, I imagine that a soundboard doesn't adjust evenly
> under the bridge, accounting for different pressure from the breaks
> provided by the plate, and so on.

Imagination, and so on, is a wonderful thing. The results, 
unfortunately, aren't necessarily the answer.


>We all know that good string stability
> is not expected as much around the breaks between the plate struts for
> example.

And noting the break% changes in the string scaling at the inadequate 
bridge doglegs accounts for a good portion of that without invoking some 
mysterious stress effect.


>I wonder if anyone has examined an old soundboard to see
> evidence of more or less stress fatigue at these points. Or the inherent
> dead spots of a soundboard. Sounds like a project for someone with a lot
> more of a scientific vocabulary than myself.
> Bruce P

There are years of discussion on this in the archives.
Ron N