List, It seems to me that since the bolts through are pulling on such a small surface area that the way to go would be to use a 1/4", 2" wide plate running along the back of the piano. The pressure from the bolts would be distributed better... David Ilvedson, RPT Pacifica, CA > Date: Wed, 27 May 1998 14:45:59 -0400 > From: Carl Root <rootfamily@erols.com> > To: pianotech@ptg.org > Subject: Re: Janssen info needed. > Reply-to: pianotech@ptg.org > Gluing up a separated back is a good excuse for buying a set of clamps. > Consider how small the surface area is that is being drawn by carriage > bolts, especially since the back surface is probably not a particulary > hard wood. Use cauls for each clamp, but leave yourself enough room to > drill and install bolts after the clamps have been drawn up tight. I > prefer picking up the clamps on a return service call when I do this job > in the home. > > Carl > > >
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