pitch raising

[Paul]

Les

There was an article in the PTJ regarding this subject. One point made was
to bring the first note ( A or C or whatever) about half as many beats sharp
as it was flat i.e. 15 beats flat pulled up to 8 beats sharp. Then rough in
a temperament from that note and pull up the rest of the strings. I mute the
entire piano  using a double strip method, and pull up the open strings.
Then I pull one mute out, tune, pull the other mute, tune, then pull up the
bicords. When a piano is down 100 cents or more, a couple of passes are
required. Work quickly. Don't be concerned with tuning the octaves and
unisons. Get close and move on. Two passes should take 15-20 minutes
including the muting. Bill Sadler, a former University of Minnesota tech
used this technique and said he found the faster he could get it done, the
better the piano would stay. This seems to be true. I've used this method on
trade ins at dealerships, so I can monitor the results. The piano stays
quite well.

Paul Chick
----- Original Message -----
From: Leslie W Bartlett <lesbart1@juno.com>
To: <pianotech@ptg.org>
Sent: Saturday, July 15, 2000 8:18 PM
Subject: pitch raising


> I'd like to get some feedback on pitch raising, aural style.
> My teacher says he can do a 100 cent pitch raise, and make it "stick" on
> the second pass.  Another tech, local, says "NO" to that notion, and says
> one should tell the customer "It will take three tunings, two weeks
> apart", to get it stabilized.  My question is regarding the
> "stretchiness" of strings on ordinary pianos needing PR's of 50 cents or
> more, and better pianos which need less adjustment, but may not have been
> tuned in two-four years.  I'd be most appreciative of the experience of
> others.
> les bartlett
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