There's always a hitch

[Gevaert Pierre]

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Hi,

I've always been convinced in the better stability of separate hitch =
pins for each string and your comments below makes it clearer  to me =
why.=20
While pitch-raising old  junkers witch separate hitch-pins that haven't =
been tuned for decades (style Erard, Broadwood,Pleyel e.o.) I'm often =
amazed to find the tuning to get stable so easily.

For what concerns the advantage when there's a string broken just before =
a concert, (still two left) it's ok as long as the pianist doesn't uses =
the una-corda and the missing string is the right handed one. (still =
will have one poor string to sound)

I think I've red somewher on this list that an other advantage of the =
separate hitch pin was the better alignment and equal distance from =
bridge-pin to hitch pin?

Regards,
PierreGevaert
Belgium



 Original Message -----=20
From: "Peter Lamos" <selahpiano@hotmail.com>
To: "'Pianotech'" <pianotech@ptg.org>
Sent: Tuesday, March 23, 2004 3:04 AM
Subject: RE: There's always a hitch


> Dearest Friends (religious, non-religious, and of all political
> parties),
>=20
> Someone responded off list with some good info.  I didn't include =
their
> name in case they responded off list for a reason. The info follows:
>=20
> There are several positive advantages for separate hitch pins for each
> string.  I give the details below for comparison only and not for
> discrimination against pianos not having hitch pins for each string.
>=20
> =20
> 1. With each string having its own hitch pin, if one string breaks in
> any one note, there are at least two left.  This is a great advantage
> during a concert.  In the case of one hitch pin for two strings, you =
can
> have one string go missing in two notes, or two strings in one note,
> which will leave the one string note very weak.
>=20
> 2. Strings elongate (stretch) according to string length.  In the case
> of separate hitch pins, the strings in the same note are quite uniform
> in length, since the tuning pins and hitch pins are fairly equally
> spaced.  This helps for better pitch stability of strings (unisons) in
> the same note, providing the tuning was well done.=20
>=20
> 3. When a piano is subjected to a fair amount of atmospheric =
(humidity)
> change, the strings in pianos using one hitch pin for two strings of =
the
> same note (because of their difference in overall length) will be
> affected differently.  The pitch of the shorter string will rise a
> little more than will the longer of the two on the same hitch pin, =
when
> humidity levels go up. And the opposite is true when the humidity =
level
> drops.  I notice this all the time when I get to tune the same pianos
> (that have used the one hitch pin construction for two strings) at
> different times of the year.  It is not the same when I tune
> Bosendorfers, or other pianos, that have separate hitch pins for each
> string.  The unisons of the notes are usually uniform, even though the
> center area of the piano scale has either risen in pitch, or dropped, =
as
> the result of the atmospheric changes.
>=20
> 4. When comparing the sound of two pianos that have not been tuned for =
a
> while, the piano with just one hitch pin for two strings will sound =
more
> out of tune, because the addition of the out of tune unisons, due to
> unequal string lengths on the same notes.  This will not be the case
> with the piano that has hitch pins for each string.
>=20
> I trust that the above makes sense. It is what I have experienced =
during
> my 50 plus years of piano service work.
>  {End quote}
>=20
> And in response to a different post:
>=20
> *BTW, I'm not familiar with the model.
> *  Are the knots:
> *   German  0////|------
> *or French  0^v^v^v^v^v^v//---- ?
>=20
> I don't know, but they didn't answer to "parle tu Francais?" or =
"spraken
> sie Deutsch?"
>=20
> Peter Lamos
> Brunswick, GA
> _______________________________________________
> pianotech list info: https://www.moypiano.com/resources/#archives
>=20

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