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<div class="moz-cite-prefix">Thumpe,<br>
<br>
Nothing wrong, and a lot right, with using West or similar on
bridge tops. I believe its primary benefit is to tightly link the
pins to the cap, secondarily to seal the cap surface against
moisture transport that might accelerate cracking. I don't
believe there's a need for surface lube on a bridge top - there's
plenty of vibration to help strings move to equalize tension.<br>
<br>
Mike<br>
<br>
On 1/10/2013 8:04 AM, Euphonious Thumpe wrote:<br>
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<div>Does anyone here see a problem with using a
penetrating epoxy, such as West's, on an entire bridge
in order to add some density for better vibratory
transmission, and impede cracking? If used, is there any
top surface lube that works better than others? (I've
painted on McLube molybdenum after scuffing the cap with
fine sandpaper, and it seems to work well.)<br>
<br>
Thumpe</div>
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<hr size="1"> <b> <span style="font-weight:bold;">From:</span>
</b> Ron Nossaman <a class="moz-txt-link-rfc2396E" href="mailto:rnossaman@cox.net"><rnossaman@cox.net></a>; <br>
<b> <span style="font-weight:bold:">To:</span> </b>
<a class="moz-txt-link-rfc2396E" href="mailto:pianotech@ptg.org"><pianotech@ptg.org></a>; <br>
<b> <span style="font-weight:bold:">Subject:</span> </b>
Re: [pianotech] Worst Bass/Tenor Crossover in Universe <br>
<b> <span style="font-weight:bold;">Sent:</span> </b>
Thu, Jan 10, 2013 12:05:55 PM <br>
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<td style="font:inherit;" valign="top">On 1/10/2013
5:30 AM, Encore Pianos wrote:<br>
<br>
> To my ear,<br>
> it falls short of being an improved system over
the best “traditional”<br>
> boards by a fair amount.<br>
<br>
The board can be driven into chaos at surprisingly
moderate attack levels everywhere in the scale. I've
been told repeatedly by techs who ought to know
better that this is a feature necessary to good
piano sound, largely because mine can't.<br>
<br>
Adding bearing to these boards would improve
nothing. They are just not stiff enough.<br>
<br>
<br>
> That said, could the Stuart or Phoenix agraffe
be installed on a<br>
> conventionally constructed board with
compression, crown, and bearing<br>
> skillfully blended together and sound very good
in the ways we want a<br>
> board to perform? I believe so.<br>
<br>
It depends on how we want a board to perform, I
think. In my experience, there is very little
resembling a consensus on what that is. There is
also the mass of the agraffes to deal with, which
will most certainly affect the performance. So tell
me, what's so wrong with the current bridge pinning
and notching system, if done well, that is inferior
to agraffes?<br>
Ron N<br>
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