[pianotech] Pitch raise criteria

[David Ilvedson]

I usually tune exactly like that...although I sometimes  begin at the first tenor string and go up...

David Ilvedson, RPT
Pacifica, CA  94044

----- Original message ----------------------------------------
From: "David Stocker" <firtreepiano at hotmail.com>
To: pianotech at ptg.org
Received: 8/2/2009 1:14:03 PM
Subject: Re: [pianotech] Pitch raise criteria


>Several years before I made the jump to using an ETD, I sat in a class 
>taught by Dr. Sanderson (inventor of the SAT). He had conducted a study to 
>see which tuning order produced the most stable tunings. The answer was to 
>start at A0 and tune unisons as you go all the way to C8. That was one of 
>the reasons I went to an ETD.

>Some are worried such a procedure will cause the plate to crack from uneven 
>stress. Plates are so over-engineered I doubt it could make any difference.

>Dave Stocker, RPT
>Tumwater, WA

>--------------------------------------------------
>From: "Rob McCall" <rob at mccallpiano.com>
>Sent: Saturday, August 01, 2009 22:47
>To: "David Ilvedson" <ilvey at sbcglobal.net>; <pianotech at ptg.org>
>Subject: Re: [pianotech] Pitch raise criteria

>> David,
>>
>> I'm just curious of the pattern in which you tune.  Do you start with 
>> your temperament and go up from there and then come back and tune  going 
>> down below the temperament? Or do you have some other method/ pattern you 
>> use when you tune unisons as you go? Do you just use the  rubber mutes, 
>> set the middle string, then tune the unisons and move to  the next note?
>>
>> I'm sorry if this seems basic.  I just want to make sure I'm clear on 
>> what it is you're saying...
>>
>> I don't mind tuning unisons as I go.  I just want to end up with a  tuning 
>> that doesn't require me to go back through and fix a bunch of  stuff.
>>
>> Thanks!
>>
>> Rob
>>
>> On Aug 01, 2009, at 21:33 , David Ilvedson wrote:
>>
>>>
>>> If you want to make a big change in your tuning experience, start  tuning 
>>> unisons as you go.   If that is too big of a change, start  with unisons 
>>> as you go for the pitch raise.   Right off the bat, the  pitch change is 
>>> less.   You don't spend time inserting the strip  mute. Start NOW and you 
>>> will be glad you did...
>>
>>