The Soundboard bit.. RC&S / Steve B

[Steve Blasyak]

Hey Now,

Thanks Ric, I think I get the compression thing on a very basic level of
course. I was confused about the RC vs RC & S. An earlier post in this
bundle used the term Rib Crowned and Supported (RC&S). I was and am
following the thread with great interest and learning alot. Thanks for the
info.

Steve


> [Original Message]
> From: RicB <ricb at pianostemmer.no>
> To: <pianotech at ptg.org>
> Date: 12/11/2006 11:46:11 AM
> Subject: The Soundboard bit.. RC&S / Steve B
>
> Hi Steve.
>
> RC simply means the ribs themselves are crowned.  It says nothing about 
> how much compression in the panel is use to also support crown against 
> the downbearing of the string plane.  RC & S clearly specifies that the 
> crowned ribs are doing nearly all that job.  The only compression in 
> that kind of board is present to work against the tendancy of a board to 
> pull apart during dry periods.
>
> If you dont understand what compression is about then you are going to 
> need a more thorough explanation.  But there is tons of stuff in the 
> archives about it.
>
> Cheers
> RicB
>
>
>     Hey Now,
>
>     One for the dumb kids class?
>
>     I know it was mentioned here a few days ago...but as this thread has
>     continued on, I need some review.
>
>     What is the difference between RC (Rib crowned), and RC&S? I thought
>     someone said here a few days ago that they were ecentialy the same.
>     True? Another post mentioned something about mesuring the crown with
>     a string or something like that. Is there a simple explanation of
>     that process?
>
>     The only belly work I do is in the gym. It dosn't seem to do much
>     good though.
>
>     This has been a very informative and entertaining discussion. With
>     new knowlege comes more questions.  The S&S thing seems to have
>     finally run its course.
>
>     Be nice.
>
>     Steve
>     Pura Vida
>
>