<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><BR><DIV><DIV>On 28-jan-2007, at 23:17, Alan R. Barnard wrote:</DIV><BR class="Apple-interchange-newline"><BLOCKQUOTE type="cite"><SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Verdana; 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; "><DIV align="left"><SPAN class="Apple-style-span" style="font-family: Arial; font-size: 13.3333px; text-align: -khtml-left; ">Greetings,</SPAN></DIV><DIV style="font-family: Arial; font-size: 13.3333px; "><SPAN class="Apple-style-span" style="font-family: Arial; font-size: 13.3333px; "> </SPAN></DIV><DIV style="font-family: Arial; font-size: 13.3333px; "><SPAN class="Apple-style-span" style="font-family: Arial; font-size: 13.3333px; "> Reading Reblitz's book, his step #8 to reguating a vertical states to shim up the hammer rest rail to the correct blow distance. My question is, if this is done then arent you tampering with/advancing the stroke and infringing upon the room/space in which the parts need to cycle? Seems to me, if a piano is an old upright, wouldnt it be wise to first </SPAN><EM style="font-family: Arial; font-size: 13.3333px; font-style: italic; "><SPAN class="Apple-style-span" style="font-family: Arial; font-size: 13.3333px; font-style: italic; ">at leas</SPAN></EM><SPAN class="Apple-style-span" style="font-family: Arial; font-size: 13.3333px; ">t replace the felt front and balance rail punchings, </SPAN><EM style="font-family: Arial; font-size: 13.3333px; font-style: italic; "><SPAN class="Apple-style-span" style="font-family: Arial; font-size: 13.3333px; font-style: italic; ">before</SPAN></EM><SPAN class="Apple-style-span" style="font-family: Arial; font-size: 13.3333px; "> you go ahead and set the stroKe??</SPAN></DIV><DIV style="font-family: Arial; font-size: 13.3333px; "><SPAN class="Apple-style-span" style="font-family: Arial; font-size: 13.3333px; "> </SPAN></DIV><DIV style="font-family: Arial; font-size: 13.3333px; "><SPAN class="Apple-style-span" style="font-family: Arial; font-size: 13.3333px; ">Julia Gottshall</SPAN></DIV><DIV style="font-family: Arial; font-size: 13.3333px; "><SPAN class="Apple-style-span" style="font-family: Arial; font-size: 13.3333px; ">Reading, PA</SPAN></DIV></SPAN></BLOCKQUOTE></DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>Hi Julia,</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>A pianist starts playing the pianos by touching the keys.</DIV><DIV>Therefor, his or her initial contact with a piano starts with depressing keys.</DIV><DIV>The touch and feel of any piano is the most important moment to any player of this kind of instrument.</DIV><DIV>Generally speaking, the piano industry has come to a sort of agreement that key dip should be very close to around 10 mm, give or take.</DIV><DIV>This at least is a very important issue.</DIV><DIV>So, if we can accept that key dip, generally speaking, is 10 mm, than it means that hammer travel, or blow distance, is around 1:5 which means 10 mm : 50 mm.</DIV><DIV>In practice this is not true, because the hammer striking distance is always less.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>If we don't know any better, than we may assume that our striking distance gauge tells us what the correct hammer striking distance SHOULD be.</DIV><DIV>However, if we can accept that key dip is something we don't tamper with, than the hammer striking distance depends on what the action allows for.</DIV><DIV>A more firm front punching like the Wurzen front punching in fact tells us exactly what a key dip of 10 mm means. without any compromise.</DIV><DIV>If you stick to this, and follow up on the normal regulation procedure, a 'blow distance' of around 46 mm will be more or less correct.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>There is more to it, but life is tough enough.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>OOR</DIV><DIV><BR class="khtml-block-placeholder"></DIV><BR><DIV> <SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Verdana; 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 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 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; "><DIV style="font-family: Helvetica; "><SPAN class="Apple-style-span" style="font-family: Helvetica; ">friendly greetings</SPAN></DIV><DIV style="font-family: Helvetica; "><SPAN class="Apple-style-span" style="font-family: Helvetica; ">from</SPAN></DIV><DIV style="font-family: Helvetica; "><SPAN class="Apple-style-span" style="font-family: Helvetica; ">André Oorebeek</SPAN></DIV><DIV style="font-family: Helvetica; "><BR class="khtml-block-placeholder"></DIV><DIV style="font-family: Helvetica; "><SPAN class="Apple-style-span" style="font-family: Helvetica; ">Antoni van leeuwenhoekweg 15</SPAN></DIV><DIV style="font-family: Helvetica; "><SPAN class="Apple-style-span" style="font-family: Helvetica; ">1401 VW Bussum</SPAN></DIV><DIV style="font-family: Helvetica; "><SPAN class="Apple-style-span" style="font-family: Helvetica; ">the Netherlands</SPAN></DIV><DIV style="font-family: Helvetica; "><BR class="khtml-block-placeholder"></DIV><DIV style="font-family: Helvetica; "><SPAN class="Apple-style-span" style="font-family: Helvetica; ">tel : 0031 35 6975840</SPAN></DIV><DIV style="font-family: Helvetica; "><SPAN class="Apple-style-span" style="font-family: Helvetica; ">tel : 0031 652388 008</SPAN></DIV><DIV style="font-family: Helvetica; "><BR class="khtml-block-placeholder"></DIV><DIV style="font-family: Helvetica; "><SPAN class="Apple-style-span" style="font-family: Helvetica; "><A href="mailto:concertpianoservice@planet.nl">concertpianoservice@planet.nl</A></SPAN></DIV><DIV style="font-family: Helvetica; "><SPAN class="Apple-style-span" style="font-family: Helvetica; ">www.concertpianoservice.nl</SPAN></DIV><DIV style="font-family: Helvetica; "><BR class="khtml-block-placeholder"></DIV><DIV style="font-family: Helvetica; "><SPAN class="Apple-style-span" style="font-family: Helvetica; ">where music is, </SPAN></DIV><DIV style="font-family: Helvetica; "><SPAN class="Apple-style-span" style="font-family: Helvetica; ">no harm can be</SPAN></DIV><BR class="Apple-interchange-newline"></SPAN></SPAN></SPAN> </DIV><BR></BODY></HTML>