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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoPlainText>You can do it by spread sheet but the first order of business is figuring out the action ratio. You sample a cut punching or veneer strip, new capstan position or new knuckle hanging, or whatever to determine what your new ratio is. Do that by displacement as I showed. Once you have that you use the formula <o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>FW = (R*SW)-BW + (WW*KR)<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>You have the R, SW, BW (your target), WW and KR<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Once you verify the action ratio you can use your spreadsheet to determine all other inputs. <o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>David Love<o:p></o:p></p><p class=MsoPlainText>www.davidlovepianos.com<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On Behalf Of Barbara Richmond<o:p></o:p></p><p class=MsoPlainText>Sent: Monday, June 27, 2011 2:53 PM<o:p></o:p></p><p class=MsoPlainText>To: pianotech@ptg.org<o:p></o:p></p><p class=MsoPlainText>Subject: Re: [pianotech] Touchweight: Re: half punching & figuring FW<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>It's the figuring FW when using the half punching or veneer that I was interested in. I like the spreadsheet way and not having to sit around trying weights and taking measurements. Maybe I will do the calculations for the BW heavier than I want and then do the veneer. Testing first, of course.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Barbara Richmond, RPT<o:p></o:p></p><p class=MsoPlainText>near Peoria, Illinois<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p></div></body></html>