Hamlet Davis bridge agraffes/ Reverse crown Steck

[Carl Meyer]

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Gosh, Dale!  That's interesting.

I've always thought that the more widely a belief is held the more apt =
is to be false. Could that be true of crowned boards?  If reverse crown =
sounds good, would you design and build me a reverse crowned board that =
I could put in my style 2 S&S grand?
I'm only partly kidding.  Purposely putting in a reverse crowned board =
is another one of the weird things I might try.

Regards

Carl Meyer  Assoc. PTG
Santa Clara, California
cmpiano@home.com =20


  ----- Original Message -----=20
  From: DALE ERWIN=20
  To: pianotech=20
  Sent: Sunday, November 18, 2001 1:17 PM
  Subject: Re: Hamlet Davis bridge agraffes/ Reverse crown Steck


  Terry

     Quite sure as I've seen this reverse crown design probably a dozen =
or so times of various makers.
   It is one of those things that is just too intentional and =
symmetrical to simply be a collapsed board. I have yet to run across one =
that didn't sound more musical than most pianos ever dreamed of being. =
Julius Bauer, Becker Bros. ,Steck and others I can't recall the names of =
right now. The boards were also not split up from the tension instead of =
compression as one might think.

     Dale E.=20

    ----- Original Message -----
    From: Farrell
    Sent: Sunday, November 18, 2001 9:02 AM
    To: pianotech@ptg.org
    Subject: Re: Hamlet Davis bridge agraffes/ Reverse crown Steck

    You say "that the board was a reverse crowned board with a positive =
set downbearing". Do you know if this configuration was the intent of =
the designer & manufacturer? Just curious. I have seen new Steinways =
with this board/bridge configuration, but as far as I know, it was a =
manufacturing anomaly.

    Terry Farrell =20
      ----- Original Message -----=20
      From: DALE ERWIN=20
      To: pianotech=20
      Sent: Sunday, November 18, 2001 9:48 AM
      Subject: Re: Hamlet Davis bridge agraffes/ Reverse crown Steck


      Tom and list

          You know I have been following this thread and it is =
interesting to me how many makers tried out this idea. I rebuilt a =
George Steck 6 ft. grand last year with this arrangement. When I first =
encountered the piano the sound was absolutely magic. The sustain just =
floated for what seemed like forever . The more interesting thing was =
that the board was a reverse crowned board with a positive set =
downbearing. I mean bearing set pressing in the usual direction.
         A bit more time consuming to string but what a gem. I keep =
finding all kinds of sound board conditions and configurations which =
aren't supposed to work that do and others that should that don't!=20
        I have to figure that the weight of the Big  Brass agraffes also =
contributed to the impedance properties of the board probably a sustain =
enhancing dynamic.

             Ain't life interestin---Dale Erwin----- -----
        From: Tom DriscollSent: Sunday, November 18, 2001 6:28 AM
        To: pianotech@ptg.org
        Subject: Hallet Davis bridge agraffes

        Enclosed photo of Hallet Davis Grand  referenced by Phil Ford in =
recent
        discussion of bridge agraffes. Piano was built in 1890's and =
bridge system
        is still in good condition.   Photo courtesy of Moody Piano in =
Marlboro Ma.
            Tom Driscoll


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