[pianotech] Was high and outside now silent pitch lowering

[Jason Kanter]

Joe Goss's "Goose Juice" is very useful for easing rusty strings over
crusty felt. This will reduce string breakage.

Jason Kanter

On Thu, Nov 1, 2012 at 12:24 PM, Terry Farrell <mfarrel2 at tampabay.rr.com>wrote:

> Yes, strings can break. You take precautions to minimize the chance. And
> then you raise pitch. On a 100 year old piano, I'll be hesitant to go with
> more than 30 cents or so overpull in the high treble.
>
> I do a lot of pitch raises, and among 60-cent pitch raises on 100 or so
> year old pianos, I'd say that better than 90 percent are done without
> strings breaking. Sometimes you'll have one or two break, and sometimes
> they all just start popping - but not often.
>
> I had a 1900 Everett grand in original worn & rusted to the nub condition
> in my shop a couple years ago. Just for fun I wrenched on a good number of
> tuning pins with the AccuTuner on to measure how high I could pull strings
> sharp before breaking. On this particular piano, in the tenor and treble, I
> was able to pull all of them 100 cents sharp without breaking and many went
> 200 cents without breaking. None made it to 300 cents.
>
> If they break, and you lower pitch prior to pulling it up, then the string
> was weak to begin with - or the scale was horrible.
>
> And anyway, starting about this time of year, it's too cold in Winnipeg to
> do anything anyway! Eat a big meal and hibernate until spring breaks!  ;-)
>
> Terry Farrell
>
> On Nov 1, 2012, at 3:08 PM, Carl wrote:
>
> > I've been reading many, not all, of these (high and outside) posts for a
> couple of weeks now, and only
> > one fellow brought up the possibility of broken strings on pitch raises.
> I 've had many pitch raise
> > needs and always  worry about the possibility of breakeage.  I'm aware
> that a piano 10 or 15 years
> > old can be raised without much worry, but many are considerably older,
> and look and feel like all
> > the strings might break with an even 10 cent raise.  That's likely an
> exageration, but all you need is
> > one string to break, and this adds considerable time to a tuning, plus
> other factors , such as cost
> > for the extra work .  ????????
> >
> > CT  - Winnipeg.
>



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jason's cell 425 830 1561
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