Make a soundboard--Measurements

[David Love]

Well that makes sense.  Do you find that the overall shape is precisely
duplicated for the same model, i.e. are all S&S model M's the same?  If so,
would it make sense to make a template in order to minimize handling the
panel.  I am rather nervous handling panels unsopported by ribs.  

David Love
davidlovepianos@earthlink.net


> [Original Message]
> From: Ron Nossaman <RNossaman@cox.net>
> To: <davidlovepianos@earthlink.net>; Pianotech <pianotech@ptg.org>
> Date: 10/30/2003 1:51:18 PM
> Subject: Re: Make a soundboard--Measurements
>
>
> >As I start to undertake this process I have been thinking about this and
> >how it might be done easily.  My thought was to first make a template out
> >of masonite once the board is removed.  To do this lay a sheet of
masonite
> >over the top of the rim.  Trace a line around the outside of the case.
> >Since the case has uniform thickness, you will need to retrace the line
> >spaced at the thickness of the case inside the original scribed line. 
Take
> >off an extra 1/8 " which will allow for 1/16" clearance all around.  Cut
> >out the masonite form which can now be used as a template for all similar
> >models.  Use the form to cut the panel to the right shape and size.  Make
> >the ribs and set them into the existing notches in the rim.  Lay the
panel
> >over the ribs and mark on the board the placement from underneath.  Then
> >glue them on.   Comments?
> >
> >David Love
>
>
> You will find that the rim isn't the same thickness all around,
especially 
> when you cut anything based on that assumption. You may also find that it 
> is just as easy to lay the panel on top of the rim and mark it from 
> underneath with a pencil, outlining the inner edge of the rim, and 
> dispensing with the pattern altogether. Mark the belly rail after the
rest 
> is fitted to your satisfaction. Marking rib placement from underneath
with 
> a pencil works where you can reach, but the last few ribs are difficult,
so 
> you might either be back to making a pattern, or pin locating ribs on the 
> panel as we discussed pretty extensively a few months ago.
>
> Ron N