Jude R. posted photos of one he made some time back. Fenton ----- Original Message ----- From: "David Love" <davidlovepianos at comcast.net> To: "'Pianotech List'" <pianotech at ptg.org> Sent: Thursday, August 07, 2008 6:08 AM Subject: RE: Cutting rib radii >I know it is done that way but when you bend wood I don't think it really > bends in a uniform radius, it tends to bend more in the middle and less > out > toward the ends, I guess the shape is more parabolic. Also, each piece of > wood will probably bend somewhat differently. Since some of the curves > I'm > using are fairly tight (especially on the short ribs) I'd prefer to use a > preshaped caul of some type. The jig set up to translate the shape of > that > caul to the rib with a router (rather than using a bandsaw and sandpaper) > is > really the question. > > David Love > davidlovepianos at comcast.net > www.davidlovepianos.com > > -----Original Message----- > From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On > Behalf > Of Richard Brekne > Sent: Thursday, August 07, 2008 12:11 AM > To: pianotech at ptg.org > Subject: Cutting rib radii > > Ribs are bendable enough that you can bend them to the exact radii you > want, clamp them in place and remove material from the concave side so > as to make that side flat. Unclamping will then leave that flattened > convex line at exactly the radii you want. You can put in some fairly > complex curves this way as well as long as your bends are not over too > short a span to hold adequately. > > Cheers > RicB > > > >
This PTG archive page provided courtesy of Moy Piano Service, LLC