Al, That tool is still available in specialty tool catalogs (fine cabinetry which I used to do.) I'd have to dig a little but I'm sure I could come up with names & numbers. Andrew Anderson On Jan 26, 2009, at 6:46 AM, Al Guecia/AlliedPianoCraft wrote: > Thanks for the information Ron. When I worked at Steinway in the > Regulating department, we had a nose plane. It was a good size plane > with the blade up front with no frame in front. I haven't seen one > since. It came in very handy preparing the key bed. Unfortunately it > was company property. That would be a great tool for reduce the > thickness of the panel perimeter around the edge. Tried a Google > search but could find anything like it. > > Al > > > > -------------------------------------------------- > From: "Ron Nossaman" <rnossaman at cox.net> > Sent: Sunday, January 25, 2009 6:22 PM > To: <pianotech at ptg.org> > Subject: Re: [pianotech] Diaphragmizing > >> Al Guecia/AlliedPianoCraft wrote: >> >>> <snip> Rebuilding with an existing board, thinning the bass (or >>> channeling like Overs and Seiler) can be very worthwhile. >>> >>> Can you explain how you do that? >>> >>> Al >> >> Ron O has a photo on the opening page of his website http://www.overspianos.com.au/ >> showing the soundboard with a channel routed around the inner rim >> in the bass, thinning the panel perimeter. This is a laminated >> panel, so tapering it wasn't a reasonable option. The channel did >> the trick very nicely. >> >> Another approach, on a solid panel, is to plane, chisel, grind, >> gnaw, or otherwise reduce the thickness of the panel perimeter >> around the edge of the bass, tapering it back to full thickness in >> the middle. If you have sufficient back scale length in the bass to >> make it worth the trouble (since you already have the plate out), >> it should help bass response noticeably. If you have the classic >> 40mm back scale on A-0, don't bother. >> >> Ron N >> >> >
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