Dampp Chaser or not, that is that question!

[Don]

Hi Terry,

Is it a grand or an upright--if an upright the addition of a back cover can
improve results dramatically. If a grand a *bottom* cover of plastic will
help as well. It is just very difficult to make a bottom cover *look* good.


At 09:35 AM 02/02/2000 -0500, you wrote:
>Ed:
>
>I agree about pitch. And yes, the piano's pitch has been observed to slide
>up and down as much as 10 cents. The RH in my house varies from about 75% to
>80% during rainy periods and goes as low as 35% during dry winter periods.
>So, I think a DC system that works would be desirable. I am going to try my
>third humidistat on my piano and see if it works any better than the two I
>have tried in the past. Thanks for your thoughts.
>
>Terry Farrell
>Piano Tuning & Service
>Tampa, Florida
>mfarrel2@tampabay.rr.com
>----- Original Message -----
>From: <A440A@AOL.COM>
>To: <pianotech@ptg.org>
>Sent: Wednesday, February 02, 2000 8:43 AM
>Subject: Re: Dampp Chaser or not, that is that question!
>
>
>>
>> In a message dated 2/2/0 1:22:46 PM, mfarrel2@tampabay.rr.com writes:
>>
>> >he darn thing right on top of and next to (actually
>> > touching) the humidistat. I have placed up to three different
>hygrometers
>> > under the piano at the same time (the three were compared at stable
>> > conditions and are known to produce similar RH readings) and get the
>results
>> > I have described.
>>
>> >Because of the known relationship between spruce and atmospheric RH, RH
>> >in the soundboard environment will provide an accurate (although
>indirect)
>> > indicator of soundboard moisture content.
>>
>> Greetings,
>>     I must add to the above, "so is pitch!".  After a solid tuning, in
>which
>> the atmosphere is noted,  a careful listen will reveal much information
>about
>> what the soundboard is doing.  I am not sure if I have seen the piano's
>> tuning mentioned.  Is there a problem with this piano's pitch stability?
>> Regards,
>> Ed Foote
>>
>
>
>
Regards,
Don Rose, B.Mus., A.M.U.S., A.MUS., R.M.T., R.P.T.

Tuner for the Saskatchewan Centre of the Arts

drose@dlcwest.com
http://donrose.htmlplanet.com/

3004 Grant Rd.
REGINA, SK
S4S 5G7
306-352-3620 or 1-888-29t-uner