Hi Alan, Thats' why DC systems now have back/bottom covers. The humidity level will tend to be equal on both sides of the board at least in an upright. It improves the grand system by a factor of 3 to 5 times in my experience. At 10:24 AM 2/19/2003 -0600, you wrote: >Seems like the DC sets up an environment where the RH on one side of the >board can be substantially different than on the other side. Wonder if this >has any short or long-term consequences or does the wood absorb (or release) >moisture evenly, regardless? > >Inquiring minds want to know.* > >Alan Barnard >Salem, MO > >*Never kill a silent comedian: A mime is a terrible thing to waste. > >-----Original Message----- >From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org]On >Behalf Of Cy Shuster >Sent: Wednesday, February 19, 2003 9:41 AM >To: Pianotech >Subject: Re: How weather affects pianos > > >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 >> > > >_______________________________________________ >pianotech list info: https://www.moypiano.com/resources/#archives > >_______________________________________________ >pianotech list info: https://www.moypiano.com/resources/#archives > > Regards, Don Rose, B.Mus., A.M.U.S., A.MUS., R.M.T., R.P.T. mailto:pianotuna@accesscomm.ca http://us.geocities.com/drpt1948/ 3004 Grant Rd. REGINA, SK S4S 5G7 306-352-3620 or 1-888-29t-uner
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