Soundboard mass

[David Ilvedson]

I've just got to jump in here, where I don't really belong, and remark on a generally, congenial discussion without the occasional denigrating comments.   Keep it up and Bravo...

David Ilvedson, RPT
Pacifica, CA  94044

----- Original message ----------------------------------------
From: "John Delacour" <JD at Pianomaker.co.uk>
To: "Pianotech List" <pianotech at ptg.org>
Received: 11/24/2007 3:32:53 PM
Subject: Re: Soundboard mass


>At 14:13 -0600 24/11/07, Ron Nossaman wrote:

>>>...There was a time, however, in the very early days of the modern 
>>>piano, when some makers did so, especially on uprights.
>>
>>They certainly did. There were a number of indications along the way 
>>that some of the manufacturers had engineers  with a fair 
>>understanding of the principals involved, and the interactions among 
>>the various parts. A number of good ideas and a whole lot of valid 
>>information has been lost by not disseminating, or even recording 
>>the reasoning behind the general approach and details of things 
>>tried. A number of very promising design aspects, and a greater 
>>understanding of cause and effect relationships were sadly abandoned.

>You can say all that again and much more besides!  The joy of 
>restoration and rebuilding is working alongside the dead men and 
>finding out how they were working and striving towards their goal.

>>>...lowering of the level of the (new) soundboard to accomodate a 
>>>40mm tall bridge.
>>
>>Are you planning to use the same ribbing as the original?

>Certainly not!  This is a project that ought to have been completed 
>18 months ago but a major operation I had early last year followed by 
>a whole year with most of my stock in a barn while I waited for the 
>new workshop to be completed has rather altered my schedules and 
>priorities.  The spring should see progress and I hope to report on 
>some of it then.

>JD


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