Untapered Soundboard Ribs

[Erwinspiano@AOL.COM]

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In a message dated 7/19/2002 7:18:05 AM Pacific Daylight Time, 
caute@optusnet.com.au writes:


> Subj:Re: Untapered Soundboard Ribs 
> Date:7/19/2002 7:18:05 AM Pacific Daylight Time
> From:<A HREF="mailto:caute@optusnet.com.au">caute@optusnet.com.au</A>
> Reply-to:<A HREF="mailto:pianotech@ptg.org">pianotech@ptg.org</A>
> To:<A HREF="mailto:pianotech@ptg.org">pianotech@ptg.org</A>
> Sent from the Internet 
> 
>        Hi Tony

      Thanks for the post. Interesting trip?  I don't think this all that 
new. I've seen Baldwin L grands with the same deal. It might be a Del 
Fandrich idea but I'm not speaking for him of course.  Actually when you 
think about it that little piece of thin rib that goes into the liner is only 
a small part of the equation as far as the strentgh needed to hold the board 
on the rim. The glue is doing 95% of .the work. Radio speaker thing and labor 
saving method. No fitting notches to the rib and the board can float a bit 
during installation hhm not good.
           Dale

> 
> Hi Dale,
>  
> This is another one of those "please explain" threads with no proven 
> answers.
>  
> Whilst I was in China I went to a City called Yenti ?. there was a piano 
> manufacturer there that was making upright pianos based on the Kawai piano. 
> Now these pianos had soundboards with tapered ribs but,  the ribs ended 
> about 1" before the rim and was terminated by a screw through the 
> soundboard, rib and into a holding block of wood.
>  
> This meant that the board was fixed at its outer edge only by the board 
> itself.
>  
> To me this is getting into the radio speaker method with a freer edge to 
> allow the board to be more sympathetic to the strings vibrations.
>  
> All my work in China was done through interpreters so I may have some miss 
> information but I saw the soundboard with my own eyes.
>  
> Regards
>  
> Tony
>  
> 


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