<HTML><HEAD> <META http-equiv=Content-Type content="text/html;= charset=iso-8859-1"> <META content="MSHTML 6.00.2800.1498" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff>Well now that was one of my= questions.   How much weight does a spring represent,= for instance in the sustain pedal lever?   Any hoo,= I'm going to experiment on the next pedal retrofit coming= up.   I'm not sure lead weights are more of noise= maker than springs?   <BR><BR>David= <BR><BR><BR><BR><BR> <DIV style="PADDING-RIGHT: 5px; PADDING-LEFT: 5px;= PADDING-BOTTOM: 5px; BORDER-LEFT: #000000 3px solid;= PADDING-TOP: 5px"> <HR> Original message<BR>From: Joe Garrett= <JOEGARRETT@EARTHLINK.NET><BR>To: pianotech= <PIANOTECH@PTG.ORG><BR>Received: Wed, 11 May 2005 15:16:49= -0700<BR>Subject: Magnets - was Springs vs lead<BR><BR> <DIV align=left><FONT face=Arial size=2>The Michael From The= Island said: "<FONT face="Times New Roman" size=3>I like it!= Magnetic forces - what are the downsides?<FONT face=Arial= size=2>"</FONT></FONT></FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>The only one that comes to mind, is= that magnets lose their properties/strength with= time.</FONT></DIV> <DIV><FONT face=Arial size=2>As for the lead thingee: you'd have= to put one helluvalotof lead into the system to mimic the effect= of a spring, which is what pianists are used to. Perhaps making= the entire system out of iron or steel would come close. But,= still not the same sensory for the pianist. Also more propensity= for noise. :-(</FONT></DIV> <DIV><FONT face=Arial size=2>Just my inflated $= worth.<G></DIV> <DIV><BR></DIV></FONT> <DIV><FONT face=Arial size=2>Joe Garrett, R.P.T.<BR>Captain, Tool= Police<BR>Squares R I</FONT></DIV></DIV></BODY></HTML>