Humidity swings

[David ilvedson]

Now it seems to me a dampchaser might be a big help, not that 
I've ever installed one..

David ilvedson, RPT
Pacifica, Ca



> Date:          Mon, 21 Sep 1998 22:09:19 -0300
> From:          John Ross <piano.tech@ns.sympatico.ca>
> Organization:  Ross Piano Service
> To:            pianotech@ptg.org
> Subject:       Re: Humidity swings
> Reply-to:      pianotech@ptg.org

> Hi Bob,
> I tuned 40, in a University, the first 2 weeks of the month.   They were 25-30c
> sharp.
> The humidity was 65-70%.
> When I tuned them last Jan., with the humidity 25% or less, they were a similar
> amount flat.
> This has been the general trend for the last 9 years.
> Regards,
> John M. Ross
> Windsor, Nova Scotia, Canada.
> 
> RptBob1@AOL.COM wrote:
> 
> > In a message dated 98-09-21 15:48:53 EDT, you write:
> >
> > << s an example, I've tuned a dozen school pianos this week. All were
> > somewhere
> >  between 20 and 40 cents sharp.  This winter they will be at least that flat.
> >  Th >>
> > Dear WHoever you are since you didn't sign your letter and I wish you did:
> >
> > I have just completed tuning several dozen school pianos this week and for the
> > first time in recent memory, have found most of these pianos within 3-5cents
> > of A440.  I was amazed since they are usually as you describe the pianos in
> > Minnesota.  I wonder if anyone else has noticed similar closeness of pitch in
> > tuning school pianos this late summer.
> >
> > Bob Bergantino,RPT
> > South Euclid (Cleveland), Ohio
> 
> 
> 
David Ilvedson, RPT
Pacifica, CA
ilvey@jps.net