<!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 6.00.2900.2963" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><STRONG><FONT face=Arial>Thanks, Roger.</FONT></STRONG></DIV> <DIV><STRONG><FONT face=Arial>I had wondered, if a 3" would do it, when I was thinking of using a hole saw.</FONT></STRONG></DIV> <DIV><FONT face=Arial size=2>John M. Ross<BR>Windsor, Nova Scotia, Canada<BR><A href="mailto:jrpiano@win.eastlink.ca">jrpiano@win.eastlink.ca</A></FONT></DIV> <BLOCKQUOTE 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=roger.j@sasktel.net href="mailto:roger.j@sasktel.net">Roger Jolly</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A title=pianotech@ptg.org href="mailto:pianotech@ptg.org">Pianotech List</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Thursday, September 28, 2006 11:39 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Caster repair</DIV> <DIV><BR></DIV><FONT size=3><BR>Hi John,<BR>              Here's how we do it, with a Forsner bit.<BR><BR>We cut two pieces of 5" square 3/4" thick plywood, and glued them together.<BR>Take a 3" Forsner bit and drill a hole through the wooden template.<BR>Tack the template with two 2 1/2" nails to the toe blocks so it is centred over the old holes.  The Forsner bit will now cut safely without chattering.<BR>Use the template to guide the bit as it drills out that nasty shaped hole.  <BR>This will also work with some Spur bits.<BR><BR>Regards Roger<BR><BR> <BR></FONT> <BLOCKQUOTE class=cite cite="" type="cite"><FONT face=arial size=3><B>What is the preferred method of enlarging the cavity???<BR></B></FONT> <BR><BR>John M. Ross<BR>Windsor, Nova Scotia, Canada</BLOCKQUOTE><BR><BR><BR></BLOCKQUOTE></BODY></HTML>