Big buttons

[gordon stelter]

A little more stability, I guess. But to make it
really stable the "button" would need to be wider than
the bridge on the other side.
     Just a thought in response to Isaac's comment,
that's all. 
     T
--- Delwin D Fandrich <pianobuilders@olynet.com>
wrote:
> 
> ----- Original Message -----
> From: "gordon stelter" <lclgcnp@yahoo.com>
> To: <oleg-i@wanadoo.fr>; "Pianotech"
> <pianotech@ptg.org>
> Sent: March 08, 2003 6:01 AM
> Subject: Dowelling bridges to board.
> 
> 
> > It seems to me that if keeping the bridge from
> > "pulling over" was desired, a dowel through the
> > bridge, board, and into a big, fat, wooden button,
> > perhaps 3/4" tall and at least in dameter as the
> > bridge is wide, would work best. But would this
> > perceptibly augment notes in the vicinity of the
> > assembly?
> >      Just some thoughts.
> 
> 
> The problem with this theory lies in expecting a
> spruce panel approximately
> 8 or 9 mm thick in cross-grain to stabilize a hard
> maple bridge
> approximately 32 mm wide and anywhere from 30 to 36
> mm high. Much higher in
> the bass.
> 
> What are these dowels and buttons going to
> accomplish that the glue joint
> between the bridge and soundboard surface is unable
> to accomplish?
> 
> Del
> 
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> pianotech list info:
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