<!doctype html public "-//W3C//DTD W3 HTML//EN">
<html><head><style type="text/css"><!--
blockquote, dl, ul, ol, li { padding-top: 0 ; padding-bottom: 0 }
--></style><title>Re: [pianotech] Soundboard
Analysis</title></head><body>
<div>At 14:20 -0700 23/06/2011, Albert Picknell wrote:</div>
<div><br></div>
<blockquote type="cite" cite>The plate drops when you let off
tension. Because the string plane is below the plate struts, the
struts rise when you put tension on the strings, and drop when you
release that tension. It's like stringing/destringing a
bow.</blockquote>
<div><br></div>
<div>...except that bows aren't made of cast iron and don't need to
stay in tune.</div>
<div><br></div>
<div>Piano makers use two main approaches to the design of the
structure to make sure that this cannot happen.</div>
<div><br></div>
<div>JD</div>
<div><br>
<br>
</div>
<div><br></div>
<div align="center"><img
src="cid:p06240833ca2966ff6546@[192.168.1.66].1.0"></div>
<div align="center"><br></div>
<div align="center"><img
src="cid:p06240833ca2966ff6546@[192.168.1.66].1.1"></div>
</body>
</html>