<HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=US-ASCI= I"> <META content="MSHTML 6.00.2900.2802" name=GENERATOR></HEAD> <BODY id=role_body style="FONT-SIZE: 10pt; COLOR: #000000; BORDER-T= OP-STYLE: none; FONT-FAMILY: Arial; BORDER-RIGHT-STYLE: none; BORDER-LE= FT-STYLE: none; BORDER-BOTTOM-STYLE: none" bottomMargin=7 leftMargin== 7 topMargin=7 rightMargin=7> <P>Dave,</P> <P>I took a class from Bill years ago demonstrating that very proc= edure...it works!</P> <P><BR>David Ilvedson, RPT<BR>Pacifica, California<BR><BR><BR><BR></P> <DIV style="PADDING-RIGHT: 5px; PADDING-LEFT: 5px; PADDING-BOTTOM: 5p= x; BORDER-LEFT: #000000 3px solid; PADDING-TOP: 5px"> <HR> Original message<BR>From: Piannaman@aol.com<BR>To: pianotech@ptg.org<BR= >Received: 1/12/2006 3:26:15 PM<BR>Subject: Upright let-off jig<BR><BR>= <FONT id=role_document face=Arial color=#000000 size=2> <DIV align=left>I'm sure someone's thought of this before, so forgive= me if my idea is unoriginal!</DIV> <DIV> </DIV> <DIV>For those of you who use Bill Spurlock's grand letoff jig, this sh= ould sound familiar.  Every upright has a built in let-off jig:&nb= sp; the hammer rail.  Today I was playing with a Hallet-Davis (Pea= rl River version) that's about 3 years old.  It needed let-off reg= ulation in a bad way, so I experimented with the hammer rest rail.&nbsp= ; On this particular piano, I could push it far enough forward so the h= ammers were close to the strings, even ON the strings.  Some = pianos won't allow for that much movement, but this one did.  </DI= V> <DIV> </DIV> <DIV>I set a some samples for letoff, then pushed the rail forward to t= he point where those hammers would wink when I depressed the key.&= nbsp; I blocked the rail so it stayed there, then adjusted the let= -off to make the hammers wink.  Worked like a charm.&nbs= p; </DIV> <DIV> </DIV> <DIV>Pianos that won't allow for such free motion of the hammer rail ma= y require something to clamp onto the rail for the shanks to rest on--t= he Spurlock jig comes immediately to mind.</DIV> <DIV> </DIV> <DIV>Hope this helps someone in some small way!</DIV> <DIV> </DIV> <DIV><FONT lang=0 face=Arial size=2 PTSIZE="10" FAMILY="SANSS= ERIF">Dave Stahl<BR><BR>Dave Stahl Piano Service<BR>650-224-3560<U><BR>= <A href="http://www.dstahlpiano.net/">http://dstahlpiano.net/</A></U>= </FONT></DIV></FONT></DIV></BODY></HTML>