[pianotech] GH-1s

[paul bruesch]

Thanks, Ron and David... that helps.


On Mon, Dec 17, 2012 at 2:28 PM, Ron Nossaman <rnossaman at cox.net> wrote:

> On 12/17/2012 1:56 PM, paul bruesch wrote:
>
>> That impossible to tune as a unison/octave has been my experience as
>> well. But why is it impossible? (Loaded question, I'm sure!)
>>
>
> I'll try to get as close as I can, hopefully without attracting a herd of
> screaming binary absolutists. The lower the break% of a string, the more
> reactive it is to minute tension changes. A string at 50% break will take a
> dimensionally produced tension change (by either turning the pin, or from
> dimensional changes of wood parts with humidity changes) with only a slight
> detectable change in tuning. A string at 17% break, given the same
> dimensional change, will produce a dramatically more pronounced change in
> tuning. A high break% string has a wide target tolerance, where a low
> break% string has a very narrow one. You just don't have anything to work
> with tuning low break% strings. The partial composition and spacing will be
> different too, but I don't have any real data on that detail.
>
> Ron N
>
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