<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; ">Jurgen,<DIV><BR class="khtml-block-placeholder"></DIV><DIV>I love your potato chip analogy. I had never thought of the moisture angle with paper punchings before (only considered compression), but it makes perfect sense. You are, clearly the Professor of Punchings : ) I look forward to trying the Forte punchings.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>Thanks for your insights.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>Allen Wright, RPT<BR><DIV><DIV>On 27 Feb 2007, at 05:01, Jurgen Goering wrote:</DIV><BR class="Apple-interchange-newline"><BLOCKQUOTE type="cite"><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">It is not so much about the paper fibers compressing.<SPAN class="Apple-converted-space"> </SPAN>The reality is that paper is quite hygroscopic, just like wood, perhaps even more so.<SPAN class="Apple-converted-space"> </SPAN>It draws in ambient moisture, expands, gives it off again and shrinks.<SPAN class="Apple-converted-space"> </SPAN>Repeated cycles lead to warping.<SPAN class="Apple-converted-space"> </SPAN>If you have a stack of thin punchings, after a while they will not lay flat any more, they will be like a<SPAN class="Apple-converted-space"> </SPAN>vertical stack of potato chips.<SPAN class="Apple-converted-space"> </SPAN>Not quite that bad, of course, but the same idea.<SPAN class="Apple-converted-space"> </SPAN>You can observe that they do not create a solid stack, there are air gaps that develop between the layers. The result: unstable regulation --> keys out of level and varying key height (bal. rail),<SPAN class="Apple-converted-space"> </SPAN>imprecise dip and aftertouch, as well as that mushy feeling when they compress under pressure.</FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">I will not go through an action and replace two .010<SPAN class="Apple-converted-space"> </SPAN>with a .020.<SPAN class="Apple-converted-space"> </SPAN>But if I want to add more paper, I will do that.<SPAN class="Apple-converted-space"> </SPAN>When I am touching up dip or key level, I like to take out more punchings than I put in.</FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT face="Helvetica" size="2" style="font: 10.0px Helvetica">Jurgen Goering</FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT face="Helvetica" size="2" style="font: 10.0px Helvetica">Piano Forte Supply</FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT face="Helvetica" size="2" style="font: 10.0px Helvetica">(250) 754-2440</FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT face="Helvetica" size="2" style="font: 10.0px Helvetica"><A href="mailto:info@pianofortesupply.com">info@pianofortesupply.com</A></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT face="Helvetica" size="2" style="font: 10.0px Helvetica"><A href="http://www.pianofortesupply.com">http://www.pianofortesupply.com</A></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Helvetica; min-height: 12px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">On Feb 26, 2007, at 20:12, JF wrote:</FONT></DIV> <BLOCKQUOTE type="cite"><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT face="Courier" size="3" style="font: 11.0px Courier">I can see the benefit of having fewer of the very thin ones, and can see where they might contribute to a spongy feel. What about the point of diminishing returns, though? Are you really going to take out two 0.010punchings and replace them with one 0.020? Honestly, now, how much can those paper fibers really compress?<SPAN class="Apple-converted-space"> </SPAN>Gotta be some reality here...no?</FONT></DIV> </BLOCKQUOTE></BLOCKQUOTE></DIV><BR><DIV> <SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "></SPAN></DIV><BR></DIV></BODY></HTML>