This is a multi-part message in MIME format. ---------------------- multipart/alternative attachment Humidity is at it's lowest in SF at the moment. Very cold air, heating on, no fog. If you come back in June it's likely that the humidity will be over 70% and the pianos will have gone sharp. That being said, some houses are able to maintain lower indoor levels. Nevertheless, I always recommend a DC for most SF customers. David Love davidlovepianos@comcast.net -----Original Message----- From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On Behalf Of Piannaman@aol.com Sent: Friday, January 14, 2005 6:42 AM To: pianotech@ptg.org Subject: Re: Dampp-Chasers and Piano Tuning/attn. SF techs I've got a Dampp-Chaser question for techs who work in San Francisco a fair amount. Davids Love and Ilvedson come to mind readily. San Fancisco is a notoriously foggy area, with year round humidity and cool air. "The coldest winter I ever spent was a summer in San Francisco," Mark Twain once said. I have several clients there. I was there yesterday, around seven months after the previous tunings for the two customers I visited, fully ready to install heater bar/humidistat combinations in each of the two small Korean grands. Much to my surprise, both pianos were right at pitch, and unisons were fairly solid in both. Humidity in the houses was around 50-55% in both cases. My question is this: once the piano has acclimatized to SF, will the tuning remain stable without climate control? There is certainly less variation in climate there than there is in the South Bay, where it gets both colder in the winter and hotter and drier in the summer. It seems to me, I need to continue to monitor regulation, centers, and string condition. One of the pianos came from Denver about 3 years ago, and since they arrived, the hammers lifted about 3/4" off the rail. I'm curious about the experiences in these matters of techs who spend alot of time in SF. Thanks! Dave Stahl ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/d7/c2/7a/97/attachment.htm ---------------------- multipart/alternative attachment--
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