RC vs CC again

David Love davidlovepianos@earthlink.net
Thu, 2 Oct 2003 08:42:49 -0700


It was a rhetorical question in response to BB.  

David Love
davidlovepianos@earthlink.net


> [Original Message]
> From: Richard Brekne <Richard.Brekne@grieg.uib.no>
> To: Pianotech <pianotech@ptg.org>
> Date: 10/2/2003 12:33:08 PM
> Subject: Re: RC vs CC again
>
> I thought we had just made this point clear, but I see we need to dot
> the i after all.
>
> The CC board being stiffer thingy... applies only to the condition where
> we have equally dimensioned ribs and panel, equal mass, and equal crown.
> Given that, the CC board will be stiffer due to the extra stiffness
> provided by the compression in the panel. Yes ?? As long as thats true
> Daves post holds. If one or more of those things are varied then all
> gloves are off as it were... and Dels post clicks in.
>
> All of this suggests to me that in general, a CC board has an easier
> time generating a higher stiffness to mass ratio...as long as the
> compression in the panel holds. Yes ?
>
> RicB
>
> Delwin D Fandrich wrote:
> > 
> > > Is the CC board stiffer when both are fully loaded?  What you suggest
is
> > > that the CC board would have better sustain and the RC board would be
> > > louder.   It will be interesting to hear Del's remarks on this
because,
> > > judging from various comments I've heard from him (and I may be
> > mistaken),
> > > he seems to emphasize sustain in the construction of his boards.
> > >
> > > David Love
> > > davidlovepianos@earthlink.net
> > 
> > Again, with rib-crowning technology the soundboard maker has a few more
> > options. The board can be made very heavy and stiff (leaning toward more
> > sustain, but with a bit less power) or it can be made very light and
> > flexible (leaning toward more power but with a bit less sustain). Yes,
> > personally, I opt toward a bit more sustain and I don't mind
sacrificing a
> > bit of power if necessary. The amount of power loss will probably not be
> > noticeable in real life. And the tonal dynamics are a bit better. At
least
> > that's the plan.
> > 
> > Del
> > 
> > _______________________________________________
> > pianotech list info: https://www.moypiano.com/resources/#archives
>
> -- 
> Richard Brekne
> RPT, N.P.T.F.
> UiB, Bergen, Norway
> mailto:rbrekne@broadpark.no
> http://home.broadpark.no/~rbrekne/ricmain.html
> http://www.hf.uib.no/grieg/personer/cv_RB.html
> _______________________________________________
> pianotech list info: https://www.moypiano.com/resources/#archives




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