Piano On Ice.

[Don]

Hi all,

Humm now just where to I buy a piano that is *gas tight*??? the air comes
from the room. And the air in the room comes from outside the house. Even an
2000 home in Canada has 7 yes count 'em 7 air changes per hour. (BTW
anything less is considered a *health* hazard.)

At 06:20 PM 10/15/97 -0400, you wrote:
>On Wed, 15 Oct 1997, Don wrote:
>
>> Hi all,
>> 
>> Nope...the water is coming from the *air* the strings are cold...and below
>> the *dew point* temperature.
>
>The water is coming from the air inside the piano.  The air inside
>a piano is pretty much isolated (not the right word, but you know what I
>mean) from the air outside the case (open up a really smelly piano and
>you'll know what I mean...ewww!)  The air inside has high water content
>because the wood parts gives out some water during the heat-up process.
>
>
>> 
>> At 11:47 AM 10/15/97 -0400, you wrote:
>> >Hi list,
>> >	This is just my opinion.  As long as the piano is stored BELOW
>> >water freezing point, the piano shouldn't be damaged.  Why?  because the
>> >water in the wood won't evaporate therefore the wood won't shrink (is this
>> >the right word?)  However, if you store a piano right above the freezing
>> >point, the climate will be very dry and the water content of the wood will
>> >become very low without humility control.  You mentioned that some piano
>> >had rusty strings because water condensed on strings when piano was
>> >brought to "normal" room temperature too rapidly (that's because wood and
>> >metal have different heat velocity gradient).  Obviousely, the water vapor
>> >is coming from the wood!  I actually believe it's better to store a piano
>> >below freezing point (with sufficient water content) than to store a piano
>> >in a regular home where humility changes _constantly_ because once the
>> >piano is below freezing point, the water content of the wood NEVER
>> >changes --> the best humility control you can possibly have (well,
>> >almost)!  It's a good idea to bring the temperature back gradualy.  Treat
>> >it like your car's engine, don't heat up your car's engine too fast in
>> >winter (as recommented by virtualy all engine builders).  As a rule of
>> >dumb, always make sure the wood has sufficient water content before
>> >"freezing" (it should).
>> >
>> >> 
>> >
>> >
>> Regards, Don Rose (drose@dlcwest.com)
>> 
>
>Kuang
>
>
Regards,
Don Rose, B.Mus., A.M.U.S., A.MUS., R.M.T., R.P.T.
"Tuner for the Centre of the Arts"
drose@dlcwest.com
3004 Grant Rd.
REGINA, SK
S4S 5G7
306-352-3620 or 1-888-29t-uner