RC vs CC again

[Farrell]

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Richard wrote:

"Steinway New York uses machine crowned ribs..."=20

I thought it was pretty well established that S&S NY uses flat ribs =
glued in a curved caul to a dried board, resulting in a purely =
compression-crowned and panel-supported soundboard (CC&PS?).

Not a clue how the Bostons are designed or built.

Terry Farrell

----- Original Message -----=20
From: "Richard Brekne" <Richard.Brekne@grieg.uib.no>
To: "Phillip Ford" <fordpiano@earthlink.net>; "Pianotech" =
<pianotech@ptg.org>
Sent: Tuesday, September 30, 2003 3:25 AM
Subject: Re: RC vs CC again

> btw.. anyone know if Boston pianos use rib crowning or compression
> boards. Steinway New York uses machine crowned ribs and dries the =
panel
> down to 5% or below and have for a long time I understand from sources =
I
> have there. Acording to Hamburg they've been doing things the same way
> for a hundred years. So I was wondering if they decided to try RC =
boards
> in Bostons.. since Kawaii produced them... or whether they were =
sticking
> with a CC /machined crowned ribs  combination.

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