With grands, there are enough plate screw openings through the board to allow circulation. Leaving the lid down helps. Same idea on uprights with D-C installed on the back w/fabric. my 2¢ Conrad Hoffsommer > From: jamesgrebe at charter.net > To: pianotech at ptg.org > Date: Thu, 6 May 2010 06:25:18 -0500 > Subject: Re: [pianotech] Question with climate control system - answer > > Always my question is the DC systems stabilized humidity on one side of the > board. What about the other? > In applying finish we are always reminded to put the same number of coats on > each side of a flat panel to keep humidity effects stabilized. It seems > like the damp chaser is only doing one side. > Any comments? > James > James Grebe Est. 1962 > Piano Tuner-Technician > Creator of Custom Caster Cups > Creator of fine Writing Instruments > Theatre and Theatre Organ Historian > www.grebepiano.com > 1526 Raspberry Lane > Arnold, MO 63010 > (314) 608-4137 > Become what you believe > ----- Original Message ----- > From: "Ursula Hammerling" <ursulapianotuning at yahoo.com> > To: <pianotech at ptg.org> > Sent: Wednesday, May 05, 2010 9:56 PM > Subject: [pianotech] Question with climate control system - answer > > > > Thank you all, Michael, Ryan, Don, Garret, James and David for your > > thoughts. You've helped think this out. I will try to convince the > > customer first to go through a couple more tunings. DC comes later. > > > > Ursula > > > > > > > > > > > > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech.php/attachments/20100506/96015c34/attachment-0001.htm>
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