<!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 6.00.2900.3157" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>For all you folks that have already made your Farell/Wixey/Lowell dowmbearing guages and are wondering what to do with your old bubble guages, I introduce..</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2> <FONT size=4>"The Crownulator"</FONT> (patent pending)...:)</FONT></DIV> <DIV> </DIV> <DIV><FONT face=Arial size=2>Finally a guage that accurately measures crown to the thousandth of an inch and fits up in the high treble and other tight spaces.</FONT></DIV> <DIV> </DIV> <DIV><FONT face=Arial size=2>How much would you pay for such an instrument?</FONT></DIV> <DIV> </DIV> <DIV><FONT face=Arial size=2>Wait, don't answer yet because I'm also including a set of Ginsu knives and complimentary lemon peeler.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Crown is measured over a 12" span and up measures uo to .750" (3/4").</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>You can easily figure your radius by plugging your measured value into the following formula as H...</FONT></DIV> <DIV> </DIV> <DIV><FONT face=Arial size=2>R= ((H^2+36)/2H)/12</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>For example, in the picture the guage measures .715". The guage counts backwards so that's .035" of crown over 12" (.750-.715=.035).</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Thus, ((.035^2+36)/.07)/12 is roughly a 42.8586011904761' radius. I've never been one for the 60' radius unloaded anyway.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>The 36 is based on a 12" span, so if you choose a different span, the value should be your span^2/.25.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Have fun,</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Jude Reveley, RPT<BR>Absolute Piano Restoration, LLC<BR>Lowell, Massachusetts<BR>(978) 323-4545</FONT></DIV> <DIV> </DIV> <DIV> </DIV> <DIV> </DIV>The message is ready to be sent with the following file or link attachments:<BR>100_0890<BR>100_0891<BR><BR>Note: To protect against computer viruses, e-mail programs may prevent sending or receiving certain types of file attachments.  Check your e-mail security settings to determine how attachments are handled.</BODY></HTML>