<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML style="FONT-SIZE: medium; FONT-FAMILY: AGaramond Bold"><HEAD> <META http-equiv=Content-Type content="text/html; charset=iso-8859-1"> <META content="MSHTML 6.00.2900.2802" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>Hi, Joe.  I bored a pair at 10 degrees, and I noticed that as I decreased the angle to 9, and then to 8 degrees, that clearance increased.  That is why I thought that 8 would work for the whole section. 10 was really tight.  I just never saw, or didn't notice, a fan in bass boring angles before </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=joegarrett@earthlink.net href="mailto:joegarrett@earthlink.net">Joseph Garrett</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> Monday, April 10, 2006 10:27 AM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Steinway Hammer Boring Angles</DIV> <DIV><BR></DIV> <P> <DIV>I've found that anything over 10 degrees will cause clearance problems. I tend to bore hammers so that the hammer is as parallel to the string(s) as possible and not create the aforementioned clearance problem. YMMV <G></DIV> <DIV> </DIV> <DIV> </DIV> <DIV>Joe Garrett, R.P.T. (Oregon)</DIV> <DIV>Captain, Tool Police</DIV> <DIV>Squares R I</DIV> <DIV> </DIV> <DIV> </DIV> <P></P></BLOCKQUOTE></BODY></HTML>