You are mixing your issues, aren't you? If these pianos are just a few months old, then they are right on schedule needing action regulation after an initial playing-in period. The pianos may need climate control, but it would be a mistake to blame all the action problems of new pianos on the change of seasons. Kent Swafford On Jan 8, 2011, at 8:27 PM, Steven Hopp wrote: > Returning after the holiday break to a college I tech for I was surprised to find lots of action problems. All pianos are new and are Steinways and Bostons. > > The grands have screws which are loosening in wippen and hammer flanges. Causing lots of clicking and clacking. Loose enough to need an 1/8 of turn to retighten and cause some hammers to rub each other. Also on one Boston grand hammers were blocking and very nearly blocking in tenor and treble sections. > > A K-52 is experiencing bobbling hammers on every note and lost motion seems now to be excessive. > > My question is: Is our low humidity here in West Texas at about 20% RH on average and the practice room humidity hovering around 21% capable of causing such widespread fluctuation? > > Is it expected with these new pianos that these regulation issues will come up until they have truly acclimated to this new environment? They have only been here a few months. > > For those of you who are Dammp Chaser installers and are experienced with the results, would installation of this system be a good idea given the dry climate? > > Thanks for the expert help. > > Steven Hopp > Midland, TX -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech.php/attachments/20110109/2dd3fd2d/attachment.htm>
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