It is a well known fact that cold damp air settles to the lowest point. Warm damp air will rise and eventually settle. We call it rain. A Dampp Chaser system would definitely help. Jim Coleman, Sr. On Fri, 19 Jun 1998 PDtek@aol.com wrote: > > Hi All; > > Being the tuner for the Des Moines Metro Opera, June marks the beginning of > the performance season, and several rental pianos are brought down from a > local dealer for rehearsal purposes. Every summer, the dealer puts a Young > Chang G-150 into the lower level of this large concrete type building. It is > checked out before delivery, and within 24 hours, the opera is complaining of > "sticky keys". Before I even arrive I know It's not sticky keys. I pull out > the action and the shanks are so twisted it looks like it has been vandalized. > Hammers angeled to the left, to the right, hanging up on each other to the > point that the piano is completely unplayable. The problem is that this lower > level is very cool and damp, and the shanks are warping like crazy. So I spend > about an hour heating and twisting shanks, spacing hammers, checking the > travel, and a couple of days later they are warped again. Are Young Changs > more moisture prone than other pianos? The dealer really doesn't want to put a > better piano down there to find out. (The opera folks are kind of hard on the > pianos). Would a dampp-chaser help the action enough in that moist an > environment? > Any suggestions? > > Dave Bunch >
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