Killer Octave Question

[Ron Overs]

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Ron N. and all,

>>Yes indeed. Now this leads me to wonder just how much longer we 
>>might expect a sound board with a properly laminated panel to last?
>
>Hi Ron,
>Wouldn't the question more fundamentally be how much longer will the 
>panel last if we design it to be rib supported rather than panel 
>supported?
>
>Ron N

I am assuming that a serious sound board will be rib crowned, but a 
laminated all spruce panel with rib crowning must surely be an 
excellent combination.

I am assuming that any piano maker worth his/her salt will be using 
the RC process for crown. I cannot understand how anyone who claims 
to be serious about piano manufacture would use compression crowning. 
The reality is, of course, that those who persist in using it are 
focused on the marketing and not the product. Its a lot quicker to 
make sound boards with straight planed ribs, while drying the hell 
out of the panel to achieve a crown which hopefully lasts long enough 
for the castors to come to rest on the lounge-room carpet. Recently, 
Del and Terry were discussing a certain manufacturer who claimed to 
have achieved perfection by 1930. An Erard representative made a 
similar claim at an 1880s trade fair (it is mentioned in Men Women 
and Pianos - but I haven't been able to find the reference - should 
anyone know the page no. of this quote I would be interested to 
hear). And where can the famous Erard be found today outside of 
Museums?

The logical conclusion we can draw is that claiming perfection is an 
admission of 'pending corporate death'. Certainly one swallow doesn't 
make it summer, but here we have two swallows. There's always 
some-one waiting in the wings to carry the banner forward.

Regarding the fit-up of flat bridges to crowned sound boards, as I 
think one other technician mentioned on the list, we are talking 
strictly about the fit-up of a logarithmic style long bridges. Hockey 
stick long bridges truly are 'dust bin' technology.

Ron O.
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OVERS PIANOS - SYDNEY
Grand Piano Manufacturers

Web: http://overspianos.com.au
mailto:info@overspianos.com.au
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