Laminated ribs

[Erwinspiano@aol.com]

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In a message dated 8/19/2003 2:02:44 AM Pacific Daylight Time, 
calin.tantareanu@mae.ro writes:

> Subj: Re: Laminated ribs 
>  Date: 8/19/2003 2:02:44 AM Pacific Daylight Time
>  From: <A HREF="mailto:calin.tantareanu@mae.ro">calin.tantareanu@mae.ro</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 
> 
>              Calin

      At roughly5mm per thickness either would bend easily in a caul. The 
laminations are still quarter sawn stock. Flat sawn stock would bend even easier 
but wouldn't be quite as stiff.
       Dale Erwin

> 
> Seems to me that a vertically laminated rib would have no deformation
> problems, but you would have to machine its crown, since you can't bend it
> in a caul.
> As for strength, I don't really know. If the glue is strong, a horizontally
> laminated one should be as strong as a vertical laminated one.
> 
> Calin Tantareanu
> 


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