Fw: Fw: Ditch the tuning pin bushings/revisited

[Erwinpiano]

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     David

    I don't think the idea of plate bushings is flawed but only that =
when it is used as an excuse to short cut a nice tight fitting block to =
the flange which is what I've come to  assume after observing the lack =
of  fit on the Yam./and other oriental types with plate bushing.=20

       Has no one else observed this?
   Dale Erwin



----- Original Message -----=20
From: David Skolnik=20
To: pianotech@ptg.org=20
Sent: Saturday, May 12, 2001 7:47 PM
Subject: Re: Fw: Ditch the tuning pin bushings/revisited


Dale

I agree with you about the feel of a well executed Steinway style =
configuration, however, from your earlier post, in which you described =
converting a Yamaha to a Steinway style,  I'm not clear whether you are =
explicitly stating that you feel the bushing system to be inherently =
flawed. Can you clarify?


At 12:30 PM 05/12/2001 -0700, you wrote:

     David and list
  =20
        all your questions are good ones and since I started the ditch =
the bushings campaign allow me to interject one potent argument and or =
bias.
     Any tuner that has ever tuned a good original 20's stwy or other =
well fit piano has found that they tune remarkably  well  and =
flaggpoling is essentially a none issue.  The pins render as better or =
at least as easily as any bushing fit block and the pins are not leaning =
against the plate(even  after all these years) because of a good tight =
plate flange/block fit and this is a piano system that has endured for =
how many years?
    It seems to me that any piano that has a a good block to plate =
flange fit ( and 40 screws)should be able to duplicate the stable and =
tunable Steinway style system.=20
      As others have said one of the advantages to bushing is a =
dust/liquid barrier. I like Willis Snyder's idea of some form of wood =
colored plastic insert for those of us who might need that for school =
church or bar applications.
    I  addressed the issue of directional force in my first post on the =
subject.
  =20
        Dale Erwin


    Hi  Dave (David Love)

   Right you are ,it is highly beneficial for the tuning pin hole to =
lineup
  with the bushing but also that the bushing be under some kind of =
compression
  as is the tuning pin in the block. Why?  glad you all asked, because =
the
  major amount of force caused by the string tension is translated from =
the
  pin thru bushing and bears against the flange thereby negating the =
need for
  much if any true pinblock to plate flange contact. Just restring any
  oriental piano. I got my first lesson on this replacing strings and =
pinblock
  on a few 1970's Yamahas.  Maybe there were two places that touched the
  flange on the whole block.
      My solution was to fully fit the block with a good plate fange =
contact
  and eliminate the bushing.  The piano tunes like a dream(Bolduc =
block)yeah
  baby. Enough said?

       Dale Erwin




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