Rib Transplants

[gordon stelter]

Or another rib, underneath, as in a suspension bridge?
with post between?
--- V T <pianovt@yahoo.com> wrote:

> Hi Mark and List,
> 
> Regarding flat soundboards, I wonder if anyone
> reading
> this has tried to restore the crown by adding some
> kind of a turnbuckle tensioning system as used by
> M&H.
> 
> Vladan
> 
> 
> Mark Davidson wrote:
> 
> Lots of discussion during the last year about rib 
> construction - laminated, curved, I-beam, etc got 
> me thinking....
> 
> Could ribs be replaced during a rebuild using
> stiffer,
> 
> more curved ribs to help restore crown, while
> keeping
> the rest of the soundboard?  (Presumably this would
> be
> in conjunction with drying and shimming etc.)  Is
> there 
> enough space to work in?  Would it be effective?
> Worth the trouble? Would it be cheaper/easier/harder
> 
> than replacing the whole board?
> 
> Mark Davidson
> Chapel Hill
> 
> 
> 	
> 		
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