my own Soundboard

[Greg Newell]

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Terry,
    It would be my opinion and experience that even though you may have
the boards trimmed to perfection such that they line up perfectly along
their entire length, gluing them up that way is an entirely different
story. It seems that once that slippery wet glue gets in there all bets
are off. Though the joint may be perfect you can still get unintentional
ridges where the boards glued up less than perfectly to each other. I've
tried a number of different methods for this and have been disappointed
time and again. Perhaps I'm looking for more perfection than is
possible. I figure that's where the BFS (Big Fine Sander) comes in. I'd
love to here from someone who has glued up their own how wide the panel
gets before trimming to desired shape or size. If I can get both halves
through a cantilevered drum sander I may consider springing for one at
the wood show this weekend. Heck, it's about the only time I'm gonna
find to justify one and it will fit on the second mortgage
sooooooo.......


Greg

Farrell wrote:

>  That's why I asked Del the question below. I think he planes his 24"
> subpanels to the desired final thickness and  then glues those up. I
> think. I trust he will set us right. A local mill has a 3-foot wide
> belt thickness sander. So I guess I could always make up to a three
> foot wide subpanel and then run it through their machine. I have a 12"
> planer. I sure don't have the $$$ to buy big machines at this time. I
> just don't know how hard it is to edge glue subpanels together that
> are already planed down to the final desired thickness. I hoping Del
> will share a tad of his experience and enlighten us! Terry Farrell
>
>      ----- Original Message -----
>      From: Greg Newell
>      To: pianotech@ptg.org
>      Sent: Wednesday, January 16, 2002 7:11 PM
>      Subject: Re: my own Soundboard
>       Terry,
>          This might be a good excuse to purchase a drum sander.
>      Performax or Delta it really doesn't matter as long as the
>      cantilever design will accommodate most or all of the board.
>      Of you who have made boards in the past, what width is the
>      panel before shaping to the piano? The Delta is a bit wider
>      so that might just make it or leave a small amount for hand
>      or hand tool sanding or scraping. What 'chu think?
>
>
>      Greg
>
>      Farrell wrote:
>
>     > So then you are gluing up your 24" subpanels after they
>     > have been planed to the soundboard's final thickness (not
>     > counting edge tapering)? Can one edge glue accurately
>     > enough to get a real even subpanel-to-subpanel joint (no
>     > step from one to the other)? I was envisioning gluing up a
>     > whole soundboard panel that was thicker than needed and
>     > then (after driving the panel to a shop with BIG
>     > sanders/planers) running the whole thing through a planer
>     > device to get your nice consistent final (before tapering)
>     > thickness. If I am understanding your process, you do the
>     > above on your smaller subpanels, but then when you have
>     > glued your subpanels together, you do any slight evening
>     > up by a hand plane or sanding (or maybe even that is not
>     > needed?)? Thanks. Terry Farrell ----- Original Message
>     > -----
>     >
>     >      From: Delwin D Fandrich
>     >      To: pianotech@ptg.org
>     >      Sent: Wednesday, January 16, 2002 1:19 AM
>     >      Subject: Re: my own Soundboard
>     >
>     >           ----- Original Message -----
>     >           From: Greg Newell
>     >           To: pianotech@ptg.org
>     >           Sent: January 15, 2002 3:56 PM
>     >           Subject: Re: my own Soundboard
>     >            Thanks Del. I was still talking about
>     >           edge gluing. I would not advocate
>     >           joining two pieces end to end in a
>     >           soundboard situation. Never crossed my
>     >           mind.
>     >
>     >      Why not? I'm planning on doing it on a piano I'm
>     >      remanufacturing for myself. It's been done quite
>     >      successfully in the past. I'll not be using a
>     >      finger joint, however. I haven't quite decided
>     >      what to use.
>     >
>     >           Has anyone ever tried gluing up 2
>     >           boards first, then adding one at a
>     >           time until the desired panel size is
>     >           achieved?
>     >
>     >      We glue up sub-panels that are less than 24"
>     >      wide (so we can still run them through our
>     >      thickness planer) and then glue up the final
>     >      panel. Once you get started you will undoubtedly
>     >      come up with your own ideas. There is no one
>     >      'right' way to do this stuff. Just a bunch of
>     >      acceptable to good ways. Del
>     >
>     >
>     >
>      --
>      Greg Newell
>      mailto:gnewell@ameritech.net
>
>
--
Greg Newell
mailto:gnewell@ameritech.net


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