How weather affects pianos

[gordon stelter]

I'm quite certain that, as humidity rises, wood
creates a duller "thud" as opposed to a nice, clear
knock. But in a piano this would be hard to quantify
as the hammers also get softer with humidity, and the
board gains crown, increasing bearing. 
     But I find that, overall, pianos sound better
with lower humidity. Right about the recommended 42%.
IMHO.
     Thump

--- Cy Shuster <cy.shuster@theshusters.org> wrote:
> My son asked an interesting question: how does RH
> affect the tone of wood?
> We're all familiar with the effects of dimensional
> changes, but say you just
> had a wooden xylophone, where each piece of wood was
> unconstrained at all
> edges.  Would the tone be different at 10%RH and
> 80%RH, and if so, how?
> 
> --Cy Shuster--
> Rochester, MN (soon to be Bluefield, WV)
> 
> ----- Original Message -----
> From: "Farrell" <mfarrel2@tampabay.rr.com>
> To: "Pianotech" <pianotech@ptg.org>
> Sent: Wednesday, February 19, 2003 6:29 AM
> Subject: Re: How weather affects pianos
> 
> 
> > That's a shame, because a good DC installation can
> really benefit a piano
> that experiences RH extremes. Oh well. Cha-ching,
> cha-ching!
> >
> > Terry Farrell
> >
> 
> 
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