<!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>David said: "<FONT face="Times New = Roman" size=3>  I<BR>take these measurements with a gram gauge with the = back action on the<BR>bench so that I can adjust the spring tension.  = The question remains, at<BR>what point in the travel is the best place to = take the reading.<FONT face=Arial size=2>"</FONT></FONT></FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>David,</FONT></DIV> <DIV><FONT face=Arial size=2>You're mixing "resistance" with "mass". = IMO, each should be measured separately before measuring together. I do understand = what you are trying to accomplish and I agree with your reason(s). I should = think that a careful measurement in relation to the mounting of the back = action and the lever movement will give you the perameter for deciding the "area of = arc movement", (for lack of a better term). I don't recall seeing any = specs/stats on this sort of measurement, although there more than likely is a list somewhere.<G></FONT></DIV> <DIV><FONT face=Arial size=2>As for how much it takes to shut down a = note...that depends and so many variables, such as mass, density of felt, = etc.</FONT></DIV> <DIV><FONT face=Arial size=2>I'd be interested in your findings, = once you solve the initial question(s) at hand.<G></FONT></DIV> <DIV><FONT face=Arial size=2>Best Regards,</DIV> <DIV><BR></DIV></FONT> <DIV><FONT face=Arial size=2>Joe Garrett, R.P.T.<BR>Captain, Tool Police<BR>Squares R I</FONT></DIV></BODY></HTML>