<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META content="text/html; charset=iso-8859-1" = http-equiv=Content-Type> <META content="MSHTML 5.00.2919.6307" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>David</FONT></DIV> <DIV><FONT face=Arial size=2>  </FONT></DIV> <DIV><FONT face=Arial size=2>     I did attend = Ron Overs class and I do have a handout I could copy to you.</FONT></DIV> <DIV><FONT face=Arial size=2>  I think Ron's next move would be = to post the details on list so all could have access to the detaols(Australian = inflection in the spelling) and eess mates can have a go at it eif ya knouw whot aah mean.</FONT></DIV> <DIV><FONT face=Arial size=2>  I love the guy already ,hees one = of us.</FONT></DIV> <DIV><FONT face=Arial size=2>    Dale = Erwin</FONT></DIV> <BLOCKQUOTE style="BORDER-LEFT: #000000 2px solid; MARGIN-LEFT: 5px; MARGIN-RIGHT: = 0px; PADDING-LEFT: 5px; PADDING-RIGHT: 0px"> <DIV style="FONT: 10pt arial">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: = black"><B>From:</B> <A href="mailto:davidlovepianos@earthlink.net" title=davidlovepianos@earthlink.net>David Love</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A href="mailto:sec@overspianos.com.au" title=sec@overspianos.com.au>sec@overspianos.com.au</A> </DIV> <DIV style="FONT: 10pt arial"><B>Cc:</B> <A = href="mailto:pianotech@ptg.org" title=pianotech@ptg.org>Pianotech</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Thursday, July 15, 2094 = 8:27 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Overs action = design</DIV> <DIV><BR></DIV> <DIV><FONT size=2>Ron:  </FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>I don't know when you might receive this as I = assume it will take at least a few days to return to Australia from Reno, but I have = some questions about your action design.  I have copied the pianotech = list as I am sure that those who did not have the opportunity to see it will = be interested.  I could not attend your class in Reno due to = some conflicts so forgive me if you covered this material = there.</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>1.  I assume that the layout is designed to = put all the friction points on the convergence lines.  The most noticeable = change therein is the capstan which angles toward the front of the key = rather than the back.  Is the angle of the capstan set at the = tangent to the arc scribed by the movement of the key at that point, or is it = a more acute angle?  Is the idea that with the wippen heel set at = 90 degrees to the capstan that there is no sliding and thus reduced friction?  It seems that this would also result in greater wippen = speed since there is no lateral movement allowing you to use a slightly = longer knuckle radius.</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>2.  What is the product of all the distance = leverages and does it correlate to a specific key dip/blow distance = combination?  Have you found generally that there is a specific and absolute correlation between total distance leverages?  For example, = TSDL = 6.5 correlates to 10mm dip and 45 mm blow, and for any deviation = of x a corresponding change in dip and blow of y must be = made.</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>3.  What is the friction range in the = action that you had in Reno.</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>4.  Your shank uses a 20mm knuckle to center = pin radius.  Was this done primarily to reduce friction at the knuckle because of your intention to use such a heavy = hammer?  </FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>5.  Just for fun.  All things being = equal, what happens if you reorient a Steinway capstan toward the keyboard by = 8-10 degrees, put it on the line of convergence and spin a slanted = heel around backwards to put the two in line?</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>It was a pleasure meeting you.  It's a = beautiful piano you've produced and I wish you the best of luck with your project.</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>David Love</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2></FONT> </DIV></BLOCKQUOTE></BODY></HTML>