<!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 6.00.2800.1491" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>Sarah said: "<FONT face="Times New = Roman" size=3>To simplify GREATLY, as the string <BR>vibrates up and down, it exerts up = and down forces on the bridge, which <BR>exerts those same forces on the board."</FONT></FONT></DIV> <DIV> </DIV> <DIV><FONT face=Arial size=2>Sarah etal, </FONT></DIV> <DIV><FONT face=Arial size=2>On the initial attack, of the hammer to = the string, the sting does go "up an down". BUT, within milliseconds the string = begins to move in a circular motion. This is important to understand in all = aspects of sound production, IMO.<G></FONT></DIV> <DIV><FONT face=Arial size=2>Best Regards,</FONT></DIV> <DIV><FONT face=Arial size=2>Joe Garrett, R.P.T.<BR>Captain, Tool Police<BR>Squares R I</FONT></DIV></BODY></HTML>