[CAUT] Petrof tuning

[Avery Todd]

Hi Les,

At 05:35 PM 12/8/2005, you wrote:
>The "two days without heat" were some weeks back. She has been playing
>harder than usual for the last several weeks.   I just did two Kimball
>Grands and a Baldwin upright today which I also service regularly which were
>more than the "average" amount flat.  Maybe it's just the big weather
>changes.........

It sure is here. Everything I've tuned lately has been flat to some degree.
Even the 2 D's in the small recital hall & they've been tuned or at least
touched-up almost daily lately. And they're STILL always a little flat.
Imagine if they weren't tuned for several weeks. :-(

Avery

>Thanks for observations.  I'm amazed at how fast a piano can change. I did a
>Steinway D which was delivered to a local outdoor pavillion at 10:00 in the
>morning. When I tuned it at noon it was still in very good shape. After it
>had set outside all day, and three hours in the direct sun it was a
>disaster......
>les
>
>
>
>
>
>-----Original Message-----
>From: caut-bounces@ptg.org [mailto:caut-bounces@ptg.org]On Behalf Of Ric
>Brekne
>Sent: Thursday, December 08, 2005 9:53 AM
>To: caut@ptg.org
>Subject: [CAUT] Petrof tuning
>
>
>Well... yes.  But in my experience the kind of movement in the piano you
>describe usually takes more then a couple days of somewhat lower then
>usual RH.  Could be the piano just <<gave in>> to the change.  Still...
>24 cents of movement on a stable instrument after two days of  moderate
>(?) drop in RH ??.... stranger things have happened but.....  I have to
>hang my hat on the doubtfull krage.
>
>Cheers
>RicB
>
>------------
>
>Previous tunings (every six months) never varied more than 5-7 cents.
>Houses here are central heat/air, and normally really locked down. Most
>never open windows.   Could two days in relatively low humidity, with no
>heat or air, make that kind of difference?
>les
>
>
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_______________________
Avery Todd, RPT
Moores School of Music
University of Houston
Houston, TX 77204-4017