Rib Radii

[Fenton Murray]

Nothing wrong with that. I want to hang a router from a tree 40 ' up to cut 
the radius, now that will get laughed at.
Fenton
----- Original Message ----- 
From: "Greg Newell" <gnewell at ameritech.net>
To: "'Pianotech List'" <pianotech at ptg.org>
Sent: Wednesday, August 06, 2008 8:25 PM
Subject: Rib Radii


> David and list,
> I'm wondering, as I write this, if I'm gonna look like a fool yet
> again for posting what is probably obvious to everyone. If I remember the
> question correctly you asked how one cuts the radii not how one measures 
> or
> makes it. My procedure was to take a sheet of hardboard (that brown
> compressed paper like stuff) and lay it out on the driveway. At whatever
> radius I'm trying to make I lay out a string to that fixed point in the
> driveway and attach a pencil to the string at the end which is now above 
> the
> hardboard. Naturally this makes a compass with which I make the radius I
> want. After cutting the hardboard on the compass line I just made I lay 
> that
> over the wood or laminate that I want to make the rib out of and use the
> router w/ guide sleeve to follow the hardboard radius I just made. Simple
> enough but perhaps this isn't what you were thinking about.
>
> Greg Newell
> Greg's Piano Forté
> www.gregspianoforte.com
> 216-226-3791 (office)
> 216-470-8634 (mobile)
>
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