Pitch Raising Techniques

[David Ilvedson]

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Speaking of archaic, I typically don't overpull at all.   1/2=
 step flat?   Up to pitch.  2nd pass up to pitch and 3rd pass in=
 the tenor and leave where it lies.

David I.

----- Original message ---------------------------------------->
From: Joe Garrett <joegarrett@earthlink.net>
To: pianotech <pianotech@ptg.org>
Received: Wed, 1 Dec 2004 07:48:11 -0800
Subject: Re: Pitch Raising Techniques

David Love said: "15% overpull in the bass, 25% in the midrange,=
 32% in the upper range.
On small spinets, reduce the numbers by 5% each.   Do unisons as=
 you go."

 
David,
I must take exception to this technique! Although, it will work=
 most of the time on most Olde Uprights and Grands, there is=
 always the exception. This technique is archaic, to say the=
 least. There are better ways. The 32% in the upper treble will=
 most likely get someone in a world of hurt! Most strings, in=
 that area, are already at/above 50% of their breaking=
 strength!!! You raise it another 32% and strings will break,=
 IMO. I've done some studying on the subject and wrote an article=
 for the PTJ, in Dec. 1999.
Regards,
Joe Garrett, R.P.T.
Captain, Tool Police
Squares R I


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