<!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 6.00.2800.1276" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; BACKGROUND-COLOR: = #ffffff" bgColor=#ffffff> <DIV> </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=Erwinspiano@aol.com href="mailto:Erwinspiano@aol.com">Erwinspiano@aol.com</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A = title=pianotech@ptg.org href="mailto:pianotech@ptg.org">pianotech@ptg.org</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Sunday, December 07, 2003 = 6:15 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Plate = Suspension--Carl Meyer</DIV> <DIV><BR></DIV> <DIV>In a message dated 12/7/2003 1:53:51 PM Pacific Standard Time, <A = href="mailto:cmpiano@comcast.net">cmpiano@comcast.net</A> = writes:</DIV> <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: blue 2px = solid"> <DIV><FONT face=Arial size=2>Dale, they come in many sizes and = length.  Look at McMaster Carr on the net.  It's like a lag bolt on one = end, machine screw on the other.  Put a nut on the machine screw end = and lock with (I prefer to drill and tap the side of the nut) cut off = the excess length and slot.  I usually put an internal tooth lockwasher on = top the nut so the screw won't turn after it's adjusted and you are = tightening the top nut. Use a thin (jam) nut for minimum thickness.  In = your case I would counterbore the rim to clear the nut and if necessary grind = off the boss on the plate.  Lots simpler than machining the head of the = bolt.  Any decent hardware store should have hanger bolts and = acorn nuts as well.   3/4 c-bore 3/8 or 1/2 inch deep = should do it.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Nice to hear from you.  Hi to Trix!</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Carl Meyer Ptg assoc<BR>Santa = Clara, Ca.  </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"> </DIV></BLOCKQUOTE></BLOCKQUOTE> <DIV><FONT face="Times New Roman" = color=#000040></FONT> </DIV> <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: blue 2px = solid"> <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"><FONT size=4>Carl <FONT face="Times New Roman" color=#000040>---</FONT></FONT><FONT face="Times New Roman" color=#000040 size=4>I don't know = bout you but grinding plate bosses is not my idea of time well spent. I = get the drift </FONT></DIV></BLOCKQUOTE></BLOCKQUOTE> <DIV><FONT face="Times New Roman" color=#000040 size=4>. One = thing though, how hard are these bolts & what do use to cut 13 plus slots in short order.</FONT></DIV> <DIV><FONT face="Times New Roman" = color=#000040></FONT> </DIV> <DIV><FONT face="Times New Roman" = color=#000040></FONT> </DIV> <DIV><FONT face="Times New Roman" = color=#000040></FONT> </DIV> <DIV><FONT face="Times New Roman" color=#000040>You won't need to = grind them if you chisel clearance from the soundboard where the bosses = hit.  That is if you need to lower the plate below the surface.  If you have = clearance already, no need.</FONT></DIV> <DIV><FONT face="Times New Roman" = color=#000040></FONT> </DIV> <DIV><FONT face="Times New Roman" color=#000040>The bolts are mild = steel.  I've just used a metal cutting bandsaw.  If I had to = do lots of them I'd design a tool to do it.  I've seen some thin small = abrasive wheels at suplus houses, but I haven't tried them yet.  = </FONT></DIV> <DIV><FONT face="Times New Roman" = color=#000040></FONT> </DIV> <DIV><FONT face="Times New Roman" color=#000040>Carl</FONT></DIV> <DIV><FONT face="Times New Roman" = color=#000040></FONT> </DIV> <DIV><FONT face="Times New Roman" = color=#000040></FONT> </DIV> <DIV><FONT face="Times New Roman" = color=#000040></FONT> </DIV> <DIV><FONT face="Times New Roman" = color=#000040></FONT> </DIV> <DIV><FONT face="Times New Roman" = color=#000040></FONT> </DIV> <DIV><FONT face="Times New Roman" color=#000040></FONT> </DIV></BLOCKQUOTE></BODY></HTML>