<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=US-ASCII"> <META content="MSHTML 6.00.2900.2873" name=GENERATOR></HEAD> <BODY id=role_body style="FONT-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: Arial" bottomMargin=7 leftMargin=7 topMargin=7 rightMargin=7><FONT id=role_document face=Arial color=#000000 size=2> <DIV>     Hi Bill</DIV> <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: blue 2px solid"><FONT style="BACKGROUND-COLOR: transparent" face=Arial color=#000000 size=2>Then some tremendous force must be at work, because strings which  <BR>have crept upwards against slanted pins and side-bearing are a  <BR>regular part of our day.</FONT></BLOCKQUOTE> <DIV>  <STRONG>Then this fact would make the whole Wapin bridge idea  untenable as the front pin goes ... straight up toward the ceiling so how far can the string climb a straight pin?  any body work with wapin & document this phenomenon? If true down bearing exsists at the front bridge pin then what I find more commonly is wire bends that need straightening rather than tapping strings down on the bridge. If true down bearing really exsists at the front bridge pin applying some 3 to 4 lbs of down pressure per string at this point, how does a string climb angled pins? I don't think they do. JMO</STRONG></DIV> <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: blue 2px solid"><FONT style="BACKGROUND-COLOR: transparent" face=Arial color=#000000 size=2>And that's outside such at-risk conditions  <BR>as a rolled bridge with negative bearing at the front and positive at  <BR>the back.<BR><BR>But the strings wouldn't have to be pulled up off a bridge for  <BR>negative bearing to damage the pinning. An earlier comment of mine  <BR>about "having to toss out bridge pins as a coupling mechanism" in the  <BR>negative bearing scenario didn't seem to raise any comments.</FONT></BLOCKQUOTE> <DIV>  <STRONG>We were napping after Church...it's Sunday.  I can't think of an negative bearing situation I'd wish to execute & don't know of one ever commercially built.</STRONG></DIV> <DIV><STRONG>   Regards</STRONG></DIV> <DIV><STRONG>    Dale</STRONG></DIV> <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: blue 2px solid"><FONT style="BACKGROUND-COLOR: transparent" face=Arial color=#000000 size=2><BR><BR>Mr Bill<BR></FONT></BLOCKQUOTE> <DIV></DIV> <DIV> </DIV></FONT></BODY></HTML>