[pianotech] Tuning stability problem

[J Patrick Draine]

Is that a/c environment on 24/7 or "as needed"?
Patrick Draine

On Tuesday, September 21, 2010,  <limhseng at gmail.com> wrote:
> Thanks Paul
> Its a Kawai SK7. The tuning pins are good and the piano is well kept  in an a/c environment. It is use in a concert hall setting.
>
> Lim
> Sent from my BlackBerry Wireless Handheld
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> -----Original Message-----
> From: "Paul McCloud" <pmc033 at earthlink.net>
> Sender: pianotech-bounces at ptg.org
> Date: Tue, 21 Sep 2010 04:19:06
> To: limhseng at gmail.com,<pianotech at ptg.org>
> Reply-To: pmc033 at earthlink.net, pianotech at ptg.org
> Subject: Re: [pianotech] Tuning stability problem
>
> Hi, Lim:
>         I've not seen any stability problems with pianos on stage trucks (trolly).
> You might try tightening the bolts, but I don't see how a stage truck would
> alter the tuning.  You might look at other factors like temperature changes
> or air movement over the piano as you tune.  Is there direct sun on the
> piano?  Stage lights?  Did you move the piano just before tuning?  I've not
> tuned one of these, so I couldn't comment on how they tune.  Some Kawai
> pianos are challenging to tune, hard to dial in unisons, etc.  Maybe Don
> Mannino can jump in here.  (SK-7 is Shugeru Kawai, no?)
>         Paul McCloud
>         San Diego
>
>
>> [Original Message]
>> From: <limhseng at gmail.com>
>> To: <pianotech at ptg.org>
>> Date: 09/21/2010 4:00:01 AM
>> Subject: [pianotech] Tuning stability problem
>>
>> Hi
>> When a grand piano sits on a Y type trolly, will there be tuning
> stability problems? I tuned a SK7 which sits on a Y trolly and I have a
> hard time on the octaves and unisons from key 55 onwards.
>>
>> Regards
>> Lim
>> Sent from my BlackBerry Wireless Handheld
>> Powered by Gee! from StarHub
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>
>