damp chaser

[Diane Hofstetter]

Les,
  Best way to find out whether you need to install a Damppchaser system is 
to measure humidity at varying intervals.  You may well need a complete 
system depending on what you find.  Damppchaser sells an excellent guage.
  Our whole county is quite damp and I have seen remarkable results in terms 
of tuning stability from installing systems in churches and homes.  One 
place I tune is a large Christian conference center.  the summer before they 
bought their concert grand, they rented a Yamaha C7, just like the one they 
already owned, and the two pianos sat on stage next to each other all 
summer.  Theirs had a complete grand system plus two extra rods in it, the 
rented piano had nothing.  Every week when I tuned for the concert, I 
recorded the pitch level on the two pianos and watched the pitch on the 
piano without the system fluctuate wildly while the piano with the 
Damppchaser was almost always on pitch when I arrived to tune.
   The biggest problem in such places is getting the people who use the 
facility to keep it plugged in :-(
   Diane






>From: Leslie W Bartlett <lesbart@juno.com>
>Reply-To: pianotech@ptg.org
>To: pianotech@ptg.org
>Subject: damp chaser
>Date: Thu, 28 Oct 1999 14:02:21 -0500
>
>Do any of you have experience with Damp Chasers in choral rehearsal rooms
>that are terribly small, without particularly good ventilation?   I was
>visiting a small local college to attend a Chorale rehearsal, and noted
>the Steinway D was in horrible shape, with strings very rusted, and
>tuning a mess.
>
>My guess is that radical shifts in humidity on a daily basis may account
>for a fair amount of this.   I'd like to hear if experienced folks think
>that Damp Chaser might be the solution to the trouble, and if, perhaps,
>more than the average number of heating rods might be necessary because
>of the very quickly changing conditions.
>
>Thanks for any thoughts
>les bartlett
>houston
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