Soundboard crown

[gordon stelter]

And imagine the sound of the strings as they ride off
the bridges and up the pins. And pry the pins out of
the holes.
     Thump

--- Carl Meyer <cmpiano@comcast.net> wrote:
> 
> Lotsa good reasons, but in the cob webs I remember
> someone said that the
> best reason for crown is that it serves as an
> expansion joint.
> 
> Whether it is forward or reverse makes no difference
> in that regard, but if
> the board is flat it will oil can (that's a noun
> used as a verb).  Now that
> will be guaranteed due to humidity.  Imagine the
> tuning instability when it
> flips from concave to convex.  On the other hand if
> you could get it to
> happen fast enough the resultant percussive sound
> could be used to keep the
> tempo.
> 
> Carl Meyer Ptg assoc
> Santa Clara, Ca.
> 
> 
> 
> ---- Original Message ----- 
> From: "Calin Tantareanu" <dnu@fx.ro>
> To: <pianotech@ptg.org>
> Sent: Sunday, August 10, 2003 10:36 AM
> Subject: Soundboard crown
> 
> 
> > Hello!
> >
> > I have followed the numeorus discussions on this
> list oabout rib-crowned
> vs.
> > compression crowned soundboards with great
> interest.
> > However, I am asking myself if a soundboard always
> needs  crown in order
> to
> > work properly?
> > I heard about some old pianos with no measurable
> crown that sound very
> good.
> > I have even seen some where no crown seemed left,
> yet the performance was
> > very good. I read that harpsichords do not have
> crowned boards (except the
> > Italian ones).
> > So, why is a crown necessary?
> > Would a flat board, but with enough downbearing
> for teh strings, work or
> > not?
> >
> > Regards,
> >
> >
> >  Calin Tantareanu
> >
> ----------------------------------------------------
> >  http://calintantareanu.tripod.com
> >
> ----------------------------------------------------
> >
> >
> >
> >
> > _______________________________________________
> > pianotech list info:
> https://www.moypiano.com/resources/#archives
> 
> _______________________________________________
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