<table cellspacing="0" cellpadding="0" border="0"><tr><td valign="top" style="font: inherit;"><div>Does anyone here see a problem with using a penetrating epoxy, such as West&#39;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&#39;ve painted on McLube molybdenum after scuffing the cap with fine sandpaper, and it seems to work well.)<br /><br />Thumpe</div></td></tr></table>            <div id="_origMsg_">
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                                <span style="font-weight:bold;">From:</span>
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                            Ron Nossaman &lt;rnossaman@cox.net&gt;;                            <br>
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                                <span style="font-weight:bold:">To:</span>
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                             &lt;pianotech@ptg.org&gt;;                                                                                                     <br>
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                                <span style="font-weight:bold:">Subject:</span>
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                            Re: [pianotech] Worst Bass/Tenor Crossover in Universe                            <br>
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                                <span style="font-weight:bold;">Sent:</span>
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                            Thu, Jan 10, 2013 12:05:55 PM                            <br>
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                                        <td valign="top" style="font:inherit;">On 1/10/2013 5:30 AM, Encore Pianos wrote:<BR><BR>&gt; To my ear,<BR>&gt; it falls short of being an improved system over the best “traditional”<BR>&gt; 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>&gt; That said, could the Stuart or Phoenix agraffe be installed on a<BR>&gt; conventionally constructed board with compression, crown, and bearing<BR>&gt; skillfully blended together and sound very good in the ways we want a<BR>&gt; board to perform?&nbsp; 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></td>
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