S&S D Duplex

[Phillip Ford]

David,
I think I understood your question.  I was being (partly) facetious.

To answer your specific question:  If you didn't care about a tuned duplex,
then yes I would say moving them back as far as possible might be a good idea.
 It would give a longer backscale, although in many cases it seems not by
much.  If you were recapping the bridge you could compensate accordingly.  If
not you would have to grind the aliquots.  If the aliquots were too close to
the plate pins I might worry that the severe bend over the aliquot might be a
place for future string breakage.  Also, you would probably have to pin them
to keep them from sliding as tension was brought up on the strings.

But to refer back to my original response - if you don't care about a tuned
duplex and you want the longest backscale you can get with existing plate pin
locations then why use the aliquots at all?  Leaving them out would give even
a bit more backscale length.  You could replace the plate pins with accu-just
type pins, or you could put washers around the existing plate pins as I have
seen on some european pianos (Foerster I think, for one).  The main problem I
see with this is that if the piano is a Steinway it won't look Steinway any
more (not to mention the trademark issues being discussed on the list now). 
If a duplexaholic (editor's note - the opposite of duplexophobic) looked into
the piano he might have a heart attack, and then you might have a lawsuit on
your hands.

Phil F

On Tue, 19 Nov 2002 18:40:43 -0800 David Love <davidlovepianos@earthlink.net>
wrote:

> I didn't mean it that way.  I meant that
> assuming you could set the
> downbearing as needed regardless of the
> position of the aliquots, in other
> words by adjusting their thickness.
> 
> David Love
> 
> 
> ----- Original Message -----
> From: "Phillip Ford" 
> To: "Pianotech" 
> Sent: November 19, 2002 8:35 AM
> Subject: Re: S&S D Duplex
> 
> 
> 
> 
> On Tue, 19 Nov 2002 06:49:41 -0800 David Love
> 
> wrote:
> 
> > Quick question about this duplex thing. 
> Let's
> > just say for arguments sake
> > that you didn't think that tuning the duplex
> is
> > important, necessary, or
> > even desirable.  Then, on a Steinway, would
> the
> > best position for the rear
> > duplex aliquots (bearing considerations
> aside)
> > be that which gives the
> > greatest backscale length?  In other words,
> > would you push the aliquots back
> > as far as possible and grind them down
> > accordingly to give the proper
> > downbearing setting?
> >
> > David Love
> 
> David,
> If you thought that the duplex was undesirable
> and bearing wasn't a
> consideration then I would say the best place
> for the aliquots would be some
> place other than in the piano.
> 
> Phil F
> _______________________________________________
> pianotech list info:
> https://www.moypiano.com/resources/#archives
> 
> 
>