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
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