Adjustable key bushings

[Gevaert Pierre]

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Yes, I meant center pin bushings. (my response was to Terry Farrell =
concerning hammer shank flanges) I didn't saw that Ryan Sawers was =
talking about key bushings.
Btw, I just restored a piano-forte from 1844 (a Boisselot from =
Marseilles one like possessed F. List) and this piano had keys with a =
smal sawcut lenghtwise  with a screw to tighten up the key bushing. Many =
of the keys were bent on the front side, I suppose due to this saw cut?

Pierre Gevaert
  ----- Original Message -----=20
  From: Carl Meyer=20
  To: Pianotech=20
  Sent: Thursday, August 26, 2004 7:02 PM
  Subject: Re: Adjustable key bushings


  I believe you meant center pin bushings, not key bushings, didn't you?

  Carl Meyer Ptg assoc
  Santa Clara, Ca.
    ----- Original Message -----=20
    From: Gevaert Pierre=20
    To: Pianotech=20
    Sent: Thursday, August 26, 2004 9:40 AM
    Subject: Re: Adjustable key bushings


    Hi,

    Erard used this system on their brass hammernuts I think from the =
second half of the 19th century on. It works well but is sometimes hard =
to regulate.
    Maybe it was to expensive to produce?

    Regards,
    P Gevaert
      ----- Original Message -----=20
      From: Ryan Sowers=20
      To: Pianotech=20
      Sent: Wednesday, August 25, 2004 9:39 PM
      Subject: Adjustable key bushings


      On a similar note:

      I once saw an old piano in Del's shop that had screw adjustable =
key bushings. It appeared to work beautifully! Anybody else seen this?

      Richard Brekne <Richard.Brekne@grieg.uib.no> wrote:
        Farrell wrote:

        >Or step back into the old box. I don't recall ever hearing a =
good
        >explanation of why the screw-adjustable felt-bushed hammer =
shank flange is
        >not popular. Anyone got a take on that? I'm talking about the =
kind you
        >commonly find on large American square grands. I know David =
Stanwood also
        >experimented with them in his early action-metrology years.
        >
        >Seems to me like such a perfect solution.
        >
        >Terry Farrell
        >
        >=20
        >
        Out of the box, into the frying pan... now all we need is the =
fire....=20
        :) Actually... a good point... I'd love to hear comments on this =
too.

        Cheers
        RicB


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      Ryan Sowers, RPT Puget Sound Chapter
      Pianova Piano Service
      Olympia, WA=20
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