<HTML><HEAD> <META charset=US-ASCII http-equiv=Content-Type content="text/html; cha= rset=US-ASCII"> <META content="MSHTML 6.00.2800.1400" name=GENERATOR></HEAD> <BODY style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; BACKGROUND-COLOR: #fffff= f"> <DIV> <DIV>In a message dated 7/27/2004 10:09:20 PM Central Standard Time, madvinm= ryk@yahoo.com writes:</DIV> <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: blue = 2px solid"><FONT face=Arial>do the knuckle cores line up with the rear of = the jacks in a straight line? Also can you get the drop and let off to = happen simultaneously?</FONT></BLOCKQUOTE></DIV> <DIV>Here is something I learned at the Steinway factory a couple of weeks a= go. It is an even a more refined regulation to have the two hitting at the s= ame time. </DIV> <DIV> </DIV> <DIV>You start with the back of the jack in line with the back of the k= nuckle, and you have to make sure the drop is adjusted right. But = then you can go one step further for an even better touch. </DIV> <DIV> </DIV> <DIV>With the hammer lifted up and out of the way, when you push the key dow= n, the jack needs to move forward at the same time it comes up. Th= is will assure the jack and the drop screw are touching at the precisely the= same time. If the jack moves up, even as little as .1 mm, but not forward,&= nbsp;you can see it. Adjust the jack screw to move the jack further back. Er= ic told me that the little extra the jack has to travel to get out from the = under the knuckle is not as critical as the jack tender hitting the button a= t the same time as the balancier hitting the drop screw. </DIV> <DIV> </DIV> <DIV>Wim </DIV> <DIV><FONT lang=0 face=Arial size=2 FAMILY="SANSSERIF" PTSIZE="10"= >Willem Blees, RPT<BR>Piano Technician<BR>School of Music<BR>University of A= labama</FONT></DIV></BODY></HTML>