Downbearing - Setting with Loose Board

Farrell mfarrel2@tampabay.rr.com
Wed, 13 Oct 2004 11:05:04 -0400


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I'd like to start a discussion on setting downbearing as part of =
rebuilding a piano - specifically, what methods of clamping the =
soundboard to the rim are used by those who plane their bridges for =
appropriate downbearing prior to gluing the soundboard to the rim.

Obviously one needs to have both the soundboard and the plate in the =
case to set downbearing (bridge height). The problem arises (at least =
for me) in the fact that the plate is in the way of easily/directly =
clamping the soundboard to the rim (such that bridge height relative to =
the plate will be accurately represented). I have used little wooden =
wedges placed between the plate bottom and the soundboard top in the =
past - and that seems to work - but I wonder if there is not a more =
efficient/easier/faster way to do this.

How do others approach this task?

Terry Farrell

www.farrellpiano.com
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