[pianotech] Bass bridge repair

[David Ilvedson]

How about a learning project on bridge capping?  

David Ilvedson, RPT
Pacifica, CA  94044

----- Original message ----------------------------------------
From: "paul bruesch" <paul at bruesch.net>
To: pianotech at ptg.org
Received: 5/27/2009 3:29:09 PM
Subject: [pianotech] Bass bridge repair


>I have a learning/project piano with bass bridge damage. I've purchased WEST
>SYSTEM 105 epoxy resin, 206 (slow) hardener, and HD 404 filler. (Primarily
>in anticipation of future needs, but also to practice on this project
>piano.)

>For the tenor end (second pic) I'm planning to follow Terry Farrell's
>procedure outlined in this post:
>https://www.moypiano.com/ptg/pianotech.php/2007-August/209310.html
>Questions...
>(1) I understand that epoxy should not be clamped tightly, right? So do I
>just draw it "most of the way together" with clamps and let it cure with
>spring clamps, or just use spring clamps?
>(2) Is it proper to just epoxy the bridge pins in, or do you apply a mold
>release of some sort? If so, what?
>(3) Going down the bridge to the left (first pic) there are little splitlets
>at each speaking-length-side hole. Should I use unthickened epoxy, thin CA,
>Medium CA, or just leave it??

>Thanks!
>Paul Bruesch
>Stillwater, MN