Rim Width

gordon stelter lclgcnp@yahoo.com
Sun, 8 Sep 2002 19:33:25 -0700 (PDT)


Sure. Us a clean sheet of plywood, or scrub the dirty
one with a wire brush and soapy water and let dry
before putting it in a customer's beloved piano. " Do
unto others...."
--- Ron Nossaman <RNossaman@cox.net> wrote:
> 
> >Roger, Roger, you flatter me to the point of
> sillyness! I appreciate your 
> >input, but no one has entrusted me to put my first
> soundboard into their 
> >S&S D!
> 
> I don't know, Terry. Doesn't seem that flattering to
> me to have someone 
> suggest I might know where a S&S D is and can go
> measure it. Heck, I've 
> actually even gotten in my truck and driven a couple
> of miles to get that 
> sort of information. But I'm a hard head, so I
> suppose that's understandable.
> 
> 
> 
> >My first board will go in a no-name micro-grand.
> However, I have the need 
> >to make up a set of clamping cauls and I wish for
> them to work on any grand.
> 
> An interesting assumption. Based on what, I wonder.
> What would make the S&S 
> D the universal template?
> 
> 
> >  if I remember correctly (I have not seen many
> pianos with the boards 
> > out!) the width of the soundboard/rim contact area
> is most often not the 
> > full width of the inner rim.
> 
> Often not.
> 
> 
> >  My concern is that if I make my cauls out of
> 1.5-inch thick lumber and 
> > make the bottom edge at a one degree angle (I'll
> have to check and see 
> > what angle most rims are beveled at - but I think
> it is close to one 
> > degree) to meet the rim bevel, I might be
> stressing the highly-crowned 
> > board a bit. Perhaps a one or two degree
> difference between board angle 
> > and caul bottom angle is just a not a concern.
> 
> Except for not getting a decent glue joint if you
> can't force the board to 
> the bevel. I think it's important to glue a panel
> down solidly.
> 
> 
> >Any opinions?
> >Terry Farrell
> 
> Yes. The easiest way around this, with stone age
> tooling, that I've ever 
> come across is an idea I cheerfully stole from Shawn
> Hoar. I go to my local 
> lumberyard, find a sheet of 3/4" plywood that was on
> the outside of the 
> bundle and has forklift tracks, scratches, nicks,
> dings, and strapping 
> marks all over one side. Pointing out that they can
> either throw it away, 
> or sell it to the only guy likely to come along who
> is willing to buy it 
> for half price, I most often take home a $10 sheet
> of nice plywood that's 
> clean on one side. From that, I cut and piece
> together a full perimeter 
> caul matching the inner rim width all around. When
> the soundboard goes in, 
> that caul (clean side down) distributes clamp
> pressure so I don't mark up 
> the panel with my clamping blocks, which are made
> from 3/4+" scrap lumber. 
> Even while distributing clamping pressure, the caul
> is flexible enough 
> to  conform to any rim bevel I've run across, or
> produced, so I know the 
> panel is clamped to the rim across the full width of
> the rim. Very low 
> tech, and more effective than anything else I've
> tried. While I do waste a 
> sheet of plywood every other piano, it's something
> that someone else has 
> already rendered into trash by poor handling, so I
> consider it salvage more 
> than waste. I like this method a lot, though I'd
> certainly be interested in 
> hearing better ideas.
> 
> Ron N
> 


__________________________________________________
Do You Yahoo!?
Yahoo! Finance - Get real-time stock quotes
http://finance.yahoo.com


This PTG archive page provided courtesy of Moy Piano Service, LLC