<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 12 (filtered medium)"><style></style></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Interesting isn’t it, it’s an “accelerated action” (or so it’s stamped on the action frame) without the bearings.  No I didn’t remove them.  Key lead positions are consistent with the accelerated actions.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>David Love<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>www.davidlovepianos.com<o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] <b>On Behalf Of </b>Jerry Cohen<br><b>Sent:</b> Monday, June 27, 2011 10:33 AM<br><b>To:</b> pianotech@ptg.org; ptg_touchweightne@egroups.ptg.org<br><b>Subject:</b> Re: [pianotech] Touchweight: Re: half punching & figuring FW<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal style='background:white'><span style='color:black'>David,<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='color:black'>I have 1 question. You mentioned this was a Teflon L from the 70's.<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='color:black'>From the pictures, I don't see the 1/2 round bearings under the keys. Did you remove them?<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='color:black'>If so, how do you compensate for the key height difference?<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='color:black'>Thank you very much.<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='color:black'>Jerry Cohen, RPT<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='color:black'>NJ Chapter<o:p></o:p></span></p></div><div><blockquote style='border:none;border-left:solid #1010FF 1.5pt;padding:0in 0in 0in 4.0pt;margin-left:3.75pt;margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal style='background:white'><span style='color:black'><o:p> </o:p></span></p><div><div><div class=MsoNormal align=center style='text-align:center;background:white'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><hr size=1 width="100%" align=center></span></div><p class=MsoNormal style='margin-bottom:12.0pt;background:white'><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>From:</span></b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> David Love <davidlovepianos@comcast.net><br><b>To:</b> pianotech@ptg.org; ptg_touchweightne@egroups.ptg.org<br><b>Sent:</b> Sunday, June 26, 2011 10:43 PM<br><b>Subject:</b> [pianotech] Touchweight: Re: half punching & figuring FW<br></span><span style='color:black'><br>Follow up for Barbara Richmond, somewhere near Peoria:<br><br>Tried uploading these to the new "higher logic" website but alas, no go<br>(still waiting for those Vulcan consultants to arrive apparently).  So I'm<br>posting it here on the old list where it's much simpler and works.<br>@&#*#$(&%*$()$.  I hope you see it here.  I've copied the new website even<br>though I have no idea how it will come through there.  <br><br>Anyway, this is a picture(s) of the veneer method of lowering the action<br>ratio without moving capstans.  It works very well and drops the ratio by<br>about .6.  I just did this on an 1970's Teflon Steinway L where I was<br>replacing the action.  Switched to 17 mm knuckles but still had a 6.0 ratio<br>(hammer displacement method).  Doing this dropped it nicely to about 5.4.<br>(6 mm dip moved the hammer 36 mm on the original (6.0) and 32.5 once the<br>veneer was in place (5.41).    <br><br>Thin veneer (it's probably .025" thick) is cut into strips about 1/8" wide<br>and glued in place behind (in this case since I'm lowering the ratio).  In<br>this case I replaced the punchings with thinner ones which I prefer and<br>might be required in some cases.  Much easier than moving the capstan and it<br>works quite well.  Can also be done in place of changing the shank or<br>knuckle where a lower of the ratio is needed but you're not changing parts<br>or only changing hammers and don't want to alter the hammer weight<br>necessarily.  Takes a few hours with all the regulation stuff.  Perhaps you<br>are already familiar with the method.  <br><br>David Love<br><a href="http://www.davidlovepianos.com" target="_blank">www.davidlovepianos.com</a>  <br><br><o:p></o:p></span></p></div></div></blockquote></div></div></div></body></html>