Let's Get This Settled was How to explain a pitch adjustment..and!

[James Grebe]

I have found that after a pitch correction, when I come back, the piano has 
continued in the direction I have moved it while I have been gone.  The one 
disclaimer is if the humidity has changed.
James
James Grebe
Piano-Forte Tuning & Repair
Creator of Handsome Hardwood Caster Cups, piano benches, writing instruments
(314) 845-8282
1526 Raspberry Lane
Arnold, MO 63010
BECOME WHAT YOU BELIEVE!
pianoman@accessus.net
----- Original Message ----- 
From: "Alan Barnard" <tune4u@earthlink.net>
To: "Pianotech" <pianotech@ptg.org>
Sent: Tuesday, December 20, 2005 10:24 PM
Subject: Let's Get This Settled was How to explain a pitch adjustment..and!


> Terry's post begs the question (and please understand I ain't challingin'
> nobody on nuttin' ... I'm just seeking information and opinions and
> science, here) ...
>
> Do a piano really need time to "settle" after ..
>
> 1. Big pitch change?
> 2. Small pitch change?
> 3. Moving it across country? (other than environmental acclimation)
> 4  Moving it across the room?
>
> I have been under the impression--and it may be altogether wacky--that
> every change that is going to occur in the piano occurs immediatly upon
> cranking the pin. I thought someone (Dr. Sanderson, perhaps) tested this
> and proved it.
>
> So an adjunct question: Let's say we find a piano 15 cents flat. We pitch
> correct and fine tune and walk out the door with a follow-up appointment
> set for three months. When that day arrives, for those who have set such
> appointments, is the piano any flatter or more sour than it would have 
> been
> if we found it A440 but still came back in three months?
>
> Same question, only now the piano was originally 35 cents flat. 60 cents?
> 120 cents?
>
> Certainly I've restrung pianos and found them pretty sick in a couple of
> months but have always attributed that to new wire stretch, not tension
> settling.
>
> Helmet on, raincoat on, rubber duckie in hand, I await your missives, if
> not missiles ...
>
> Alan Barnard
> Salem, Missouri
>
>
>> [Original Message]
>> From: pianolover 88 <pianolover88@hotmail.com>
>> To: <pianotech@ptg.org>
>> Date: 12/20/2005 6:24:24 PM
>> Subject: Re: How to explain a pitch adjustment..and!
>>
>> Depending on the amount of PR, ususally more than 12C, I always schedule
> a
>> "follow-up" tuning in 1-3 months, explaining that after restoring all
> that
>> loststring tension, the piano now must "settle" and adjust to that added
>> tension, and it some shifting of will occur. So the follow-up is crucial
> in
>> building long term stabilty. And that tuning will leave the piano much
> more
>> stable because tuning pin movement will be much smaller than during the
>> initial PR and tuning. Again, never a problem. Yes, it does help to have
> a
>> high confidence level and be able to effectively communicate and impart
>> information to your client in a clearand concice manner. I am a salesman
> as
>> well as a technician; that has made the difference between just getting
> by
>> to making a six figures.
>>
>> Terry Peterson
>
>
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