Jon,<br> <br> How long does this procedure take you?  I've used Tom's method often, and that goes pretty quickly, but you're adding a few steps.  <br> <br> Thanks,<br> <br> <div style="CLEAR: both">Dave Stahl<br> </div> <br> <br> -----Original Message-----<br> From: Jon Page <jonpage@comcast.net><br> To: pianotech@ptg.org<br> Sent: Thu, 28 Jun 2007 8:09 pm<br> Subject: Yamaha Spring Tension<br> <br> <div id=AOLMsgPart_2_4a53a13a-6248-40e5-a4d6-7efed4081cd8> <STYLE type=text/css>#AOLMsgPart_2_4a53a13a-6248-40e5-a4d6-7efed4081cd8 </STYLE> <div>><FONT face=Arial color=#000000>40 grams measured at the spring is roughly</FONT></div> <div><FONT face=Arial color=#000000>>equivalent to 20 grams measured at the flange.</FONT></div> <div><br> </div> <div>Thanks Frank, that's what I'm getting when I open the spring</div> <div>so as to have the arms in line at 180 degrees (the resulting</div> <div>angle is around 130 degrees) and attach to the loop.</div> <div><br> </div> <div>I'll enter this info into my Action Handbook in the Yamaha section</div> <div>along with 44mm cord length which is achieved by wrapping the</div> <div>cord around a 9/16" dowel and slicing along the length of the dowel.</div> <div>Glueing cord ends onto the flange 10mm on each side of the yoke.</div> <div><br> </div> <div>I remove the hammers/flanges from the rail, number each and separate.</div> <div>This way I can file the hammers on the oscillating spindle sander and</div> <div>decide if repinning is in order. Secure the flanges in a vise to clean the</div> <div>flange grooves and install the new cord. Assemble units, open spring, hook.</div> <div><br> </div> <div>I might even opt to taper the hammers slightly. RIght side in the bass,</div> <div>left side in the tenor and both sides in the treble.</div> <div><br> </div> <div>Tom Cole's procedure is here (see photo at end):</div> <div><FONT face=Arial color=#000000 size=-4><A href="https://www.moypiano.com/ptg/pianotech.php/2006-December/198869.html" target=_blank>https://www.moypiano.com/ptg/pianotech.php/2006-December/198869.html</A></FONT></div> <PRE>-- </PRE> <div><br> Regards,<br> <br> Jon Page</div> </div> <div class="AOLPromoFooter"> <hr style="margin-top:10px;" /> AOL now offers free email to everyone. Find out more about what's free from AOL at <a href="http://www.aol.com?ncid=AOLAOF00020000000437" target="_blank"><b>AOL.com</b></a>.<br /> </div>