This is a multipart message in MIME format ---------------------- multipart/alternative attachment I've been reading the thread on half/whole Dampp-Chaser systems= with interest. Here (Dallas area) humidity gets low quite= infrequently and for very short periods of time. Generally,= I've thought that the full system to be unnecessary. The full= system is not only more expensive, but is the only thing that= takes maintenance (fill the tanks, do the treatment, change the= pads etc.). Then when you remember that the DC system does not= keep the piano at 42% but rather turns on the humidifyer when= the humidistat gets down to 38% and stays on until it reaches= 50%. At that point the dehumidifyer comes on to undo what has= just been done until it's back to 38% again. Given the climatic conditions we have here I'd much rather the= system take care of the high humidity, turn off when it gets= down to 38% and just wait until nature brings it back to 50%. = When it is humid, why would I want to force more humidity to the= piano when the most propitious thing would be to just turn off= and wait for the humidity to rise. This also eliminates the= possibility of mold growth that comes with that added humidity. = Mold is a problem in this area. If I were in the North and had heaters drying out the air 9= months of the year, I'd recommend a complete system. Here I= think they are superfluous, expensive, labor intensive and= counter productive. dave __________________________________________ David M. Porritt, RPT Meadows School of the Arts Southern Methodist University Dallas, TX 75275 dporritt@mail.smu.edu ----- Original message ----------------------------------------> From: "William R. Monroe" <A440WRMPiano@tm.net> To: Pianotech <pianotech@ptg.org> Received: Mon, 20 Sep 2004 07:51:05 -0500 Subject: Re: Dampp-Chaser sold on the internet (cheap)! Cy, Dunno. I agree that with a humidifier, it would certainly be= capable of increasing the humidity faster, but, if the ambient= humidity is only 45%. the humidifier would never turn on, right?= Again, going further, when the humidity drops below the= "magical" 42%, and the humidifier is activated, even in an= environment where the RH is still close to that 42%, of course= it would raise it quicker, and keep it closer to 42%. Mainly, I offer partial systems as a more affordable way to help= eliminate some, and in my opinion, the greater part, of the= climatic changes that we experience here. I always try and sell= a full system, however, as I believe they are clearly superior= here in this area, and worth the cost many times over. However,= a half-system does a bang-up job for less. William R. Monroe Madison, WI Assoc. ----- Original Message ----- From: Cy Shuster To: Pianotech Sent: Sunday, September 19, 2004 9:46 PM Subject: Re: Dampp-Chaser sold on the internet (cheap)! Isn't there a chance that a complete system might be able to= raise humidity faster than a heater-only system, even with= ambient 45% atmospheric humidity? This would keep the= soundboard closer to its target for a greater percent of the= time... Don't know if this would make a perceptible difference... In= theory, "theory" and "practice" are different, but in= practice... --Cy Shuster-- Bluefield, WV ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/a0/19/5b/5d/attachment.htm ---------------------- multipart/alternative attachment--
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