pitchlock followup 1 wed or Devorced

[Joe And Penny Goss]

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Hi Tom,
I think we are talking different ideas, and then mayby not. Sounds a =
little like Virgil Smith.=20
What I am wondering is if the effective termination point has changed =
for the coupled strings. And also if this is so does this raise the =
inharmonic values of the string like the stiffness at the termination =
points does.
Joe Goss
imatunr@srvinet.com
www.mothergoosetools.com
  ----- Original Message -----=20
  From: Thomas Cole=20
  To: Pianotech=20
  Sent: Tuesday, June 08, 2004 8:26 PM
  Subject: Re: pitchlock followup 1 wed or Devorced


  Joe,

  After tuning each of the coupled strings separately using an ETD, I =
find that the pitch drops significantly when playing the coupled strings =
together. You have to anticipate this drop therefore (guess), by tuning =
these strings individually to a higher pitch and check the result. That =
done, you can tune the uncoupled third string to the resultant pitch of =
the other two.

  Tom Cole

  Joe And Penny Goss wrote:

Hi Jason, You provoke a thought.
Has any one measured the difference of the pitch of a single string =
coupled
and then uncoupled? Wed or devorced?<G>
Joe Goss
imatunr@srvinet.com
www.mothergoosetools.com
----- Original Message -----=20
From: "jason kanter" <jkanter@rollingball.com>
To: "Pianotech" <pianotech@ptg.org>
Sent: Tuesday, June 08, 2004 1:26 PM
Subject: Re: pitchlock followup 1


  Definitely try different positionings for the coupler. It seems =
obvious
    that
  if the coupler is in, say, somewhere in the middle of the speaking =
length,
it will impede vibrations and be a source of interference depending on
    where
  it sits (right on a node, etc.) Likewise if it is right at a =
termination,
    it
  is bound to interfere with the behavior at the termination point.
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jason kanter . piano tuning/regulation/repair
bellevue, wa . 425 562 4127 . cell 425 831 1561
orcas island . 360 376 2799
----- Original Message -----=20
From: "Cy Shuster" <741662027@theshusters.org>
To: "Pianotech" <pianotech@ptg.org>
Sent: Tuesday, June 08, 2004 12:01 PM
Subject: Re: pitchlock followup 1


    How true! <G>

Just as an experiment, the first thing I'd try is to couple strings 2 &
      3,
  and then add a coupler on 1 & 2.  Would that dampen #2 too much?  What
      if
  you put the other coupler near the hitch pin?

I know -- I should follow the protocol, and just try it, and report back
when I'm done...  Maybe I'll grab some in Nashville.

--Cy Shuster--
Bluefield, WV

----- Original Message -----=20
From: "Ron Nossaman" <rnossaman@cox.net>
To: "Pianotech" <pianotech@ptg.org>
Sent: Tuesday, June 08, 2004 2:29 PM
Subject: Re: pitchlock followup 1


      Cy,
Not saying that it can not be done. I just wonder with all the
          differences
      in notching, if one coupler could ever be made to cover all the
          varying
  different situations.
Joe Goss
          If there is, I have a suggestion what to call it - a bridge...


<G>

Ron N
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   =20
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