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Have you seen the Kawai high-speed videos of hammer/string contact?
There's a lot going on with the hammerhead oscillating all over the
place. If that oscillation is expanded into another axis I could
easily imagine it having a tonal effect, which would seem unlikely
to be positive. When my own piano gets <br>
a new set of hammers I may try one or two of the carbon shanks in
each section to see just how much tonal difference is actually
perceptible, and whether I like or dislike that difference. I like
the theoretical advantages that these shanks offer - uniformity of
stiffness, impervious-ness to humidity, and customizable knuckle
position - but honestly what matters most is whether or not they
make the piano <i>sound </i>better. So far that is not at all
obvious to me from the few examples I've heard. Keeping my fingers
crossed, though!<br>
<br>
- Mark<br>
<br>
On 2:59 PM, Encore Pianos wrote:
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<p class="MsoNormal"><span style="color: black;">My experience
with the WNG shanks is as Mark describes, and do seem to
twist more than wooden shanks. How important is this in
relation to a hammer striking a string? Not sure that it
is meaningful. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color: black;"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color: black;">Will Truitt<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color: black;"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size: 10pt;
font-family: "Tahoma","sans-serif";">From:</span></b><span
style="font-size: 10pt; font-family:
"Tahoma","sans-serif";">
<a class="moz-txt-link-abbreviated" href="mailto:pianotech-bounces@ptg.org">pianotech-bounces@ptg.org</a> [<a class="moz-txt-link-freetext" href="mailto:pianotech-bounces@ptg.org">mailto:pianotech-bounces@ptg.org</a>]
<b>On Behalf Of </b>Ed Foote<br>
<b>Sent:</b> Wednesday, May 25, 2011 6:35 PM<br>
<b>To:</b> <a class="moz-txt-link-abbreviated" href="mailto:pianotech@ptg.org">pianotech@ptg.org</a><br>
<b>Subject:</b> Re: [pianotech] Shank questions<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<pre style="background: none repeat scroll 0% 0% white;"><tt><span style="color: black;">At 15:44 -0400 25/05/2011, Mark Dierauf wrote:<o:p></o:p></span></tt></pre>
<pre style="background: none repeat scroll 0% 0% white;"><tt><span style="color: black;"><o:p> </o:p></span></tt></pre>
<pre style="background: none repeat scroll 0% 0% white;"><tt><span style="color: black;">>Interestingly, although the WNG shanks are stiffer than your average <o:p></o:p></span></tt></pre>
<pre style="background: none repeat scroll 0% 0% white;"><tt><span style="color: black;">>wooden shank, they seem to be noticeably more prone to twisting.<o:p></o:p></span></tt></pre>
<pre style="background: none repeat scroll 0% 0% white;"><tt><span style="color: black;"><o:p> </o:p></span></tt></pre>
<pre style="background: none repeat scroll 0% 0% white;"><tt><span style="color: black;"> </span></tt><span class="apple-style-span"><span style="font-size: 12pt; font-family: "Georgia","serif"; color: black;">Hmm, this is the first time I have heard of this, and the several WNG shanks I have seen with hammers on them </span></span><span style="font-size: 9pt; color: black;"><o:p></o:p></span></pre>
<pre style="background: none repeat scroll 0% 0% white;"><span class="apple-style-span"><span style="font-size: 12pt; font-family: "Georgia","serif"; color: black;"> didn't' seem to twist nearly as much as wooden ones did. What anecdotes do others have? </span></span><span style="font-size: 9pt; color: black;"><o:p></o:p></span></pre>
<pre style="background: none repeat scroll 0% 0% white;"><span class="apple-style-span"><span style="font-size: 12pt; font-family: "Georgia","serif"; color: black;">Regards, </span></span><span style="font-size: 9pt; color: black;"><o:p></o:p></span></pre>
<pre style="background: none repeat scroll 0% 0% white;"><span class="apple-style-span"><span style="font-size: 12pt; font-family: "Georgia","serif"; color: black;">Ed Foote rpt</span></span><span style="font-size: 9pt; color: black;"><o:p></o:p></span></pre>
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