Bridge design

[Delwin D Fandrich]

----- Original Message -----
From: "Greg Newell" <gnewell@ameritech.net>
To: <pianotech@ptg.org>
Sent: July 12, 2002 2:26 PM
Subject: Re: Bridge design


> Del,
>     I take it then that your ribs are horizontally crowned into the shape
you
>     desire. Do you find the stability to be any different between
horizontally vs.
>     vertically laminated ribs? I think we talked about this once but I'd
like to firm
>     it up in my mind.
>
> Greg Newell
>

What do you mean, "horizontally crowned?" The end result looks somewhat like
a normal, solid, machine-crowned rib. Yes, the laminations are horizontal --
assuming a horizontal soundboard as in a grand. And yes, the crown in molded
into the rib as we press -- the cauls are curved to the crown radius
desired.

I've never tried vertically laminated ribs, though I know others have.

Del