<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; =
charset=iso-8859-1">
<META content="MSHTML 6.00.2800.1400" name=GENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=#ffffff>
<DIV><FONT face=Arial size=2>Hello List, Alan M et al. who say,
collectively:</FONT></DIV>
<DIV><FONT face=Arial size=2>
<DIV><FONT face="Bookman Old Style" size=4>"OK, for arguments sake, =
let's say
the overring is not due to improper damping of the strings. What
then? I've had a few of these instruments that just keep going =
with this
kind of deep resonance, after all playing has ceased and all the checks =
for
improper damping show zip. What else could it be and can it be
stopped?</FONT></DIV>
<DIV><FONT face="Bookman Old Style" size=4></FONT> </DIV>
<DIV><FONT face="Bookman Old Style" size=4>William R.
Monroe<BR>Assoc.<BR>Madison, WI</FONT></DIV>
<BLOCKQUOTE dir=ltr
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
black"><B>From:</B>
<A title=davidskolnik@optonline.net
href="mailto:davidskolnik@optonline.net">David Skolnik</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A =
title=pianotech@ptg.org
href="mailto:pianotech@ptg.org">Pianotech</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Wednesday, March 17, 2004 =
4:47
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: acrosonic, =
Baldwin</DIV>
<DIV><BR></DIV>Alan-<BR><BR>In addition to the suggestions you've =
already
received, take a look at the condition of the damper felt, which, if =
original,
is somewhere between 45 and 55 years old. It's typical, =
especially for
the single string (low bass) dampers, to respond to drying out (thus
hardening), by an unmistakable "slappy-buzz" when returning to the
string. This loss of resilience could also permit the over-ring =
you
notice.<BR><BR>David Skolnik RPT<BR>Hastings on Hudson, =
NY<BR><BR><BR>At 07:40
PM 3/16/2004 -0800, you wrote:<BR>
<BLOCKQUOTE class=cite cite="" type="cite"><FONT face=arial =
size=2>I have
this piano I service that has a lot of over ring when you stop =
playing. I've
tested each note to see if there is any single note that doesn't =
completely
dampen - they all do. The pedal is also adjusted with some lost =
motion. Is
there a cure for this. The piano is about =
1950ish.</FONT><BR> <BR><FONT
face=arial size=2>Alan Meyer RPT</FONT><BR><FONT face=arial =
size=2>Las
Vegas</FONT></BLOCKQUOTE></BLOCKQUOTE>My input: =
(FWIW) </FONT></DIV>
<DIV><FONT face=Arial size=2>This so-called "over-ring" (known as =
"hanging on"
in UK) is possibly due to the dampers not covering enough nodal points. =
Many
uprights have what is, in UK, known as "fly-dampers" where an extra =
damper is
added to the main damper and attached to it via a wire. The hammere =
strikes the
strings between the main damper and the "fly damper". I suppose the =
undamped top
section isn't extra lively? But you say "deep resonance". My =
gut
feeling is that the damper felts need replacing - imagine! they've been =
crammed
against the same old strings by spring pressure for the last 55 years or =
so.
</FONT></DIV>
<DIV><FONT face=Arial size=2>My 2pence worth.</FONT></DIV>
<DIV><FONT face=Arial size=2> :-)</FONT></DIV>
<DIV><FONT face=Arial size=2>Michael G =
(UK)</FONT></DIV></BODY></HTML>