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 >
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