Bridge attachment

[Farrell]

That's what I did on a recent board/bridge. I ran screws through the back of the soundboard between ribs into the bridge to glue it on. Next day I removed screws and plugged holes.

Terry Farrell
  
----- Original Message ----- 
From: <BobDavis88@aol.com>
To: <pianotech@ptg.org>
Sent: Saturday, July 26, 2003 1:57 AM
Subject: Re: Bridge attachment


> Del writes:
> 
> > It is true that a screw left in a soundboard could cause a buzz sometime 
> > down the road. But then so will a loose rib. Perhaps we should leave the ribs 
> > off as well. Seriously, enough screws have been left in enough soundboards 
> > over the past 150 plus years that if this were going to develop into a severe 
> > problem it probably would have done so by now.
> > 
> 
> Del,
> 
> Putting the screws between ribs is easy enough, and I understand your point 
> about compression-crowned ribs being less sensitive to piercing than 
> rib-crowned ribs. However, I have also always heard that standard woodworking practice 
> is to replace screws used as clamps, with dowels, and I wondered if in this 
> case that was more, or less, risky than leaving the screws in. I have heard noise 
> from the screw/button combination. I also considered a spruce plug instead of 
> a dowel, or a dowel up into the bridge and a plug in the soundboard. 
> 
> The problem is, I have a bridge staring me in the face and I don't want to 
> build a pneumatic press tomorrow.
> 
> Thanks,
> Bob D
>