<HTML> <HEAD> <TITLE>Re: [CAUT] Moving capstans</TITLE> </HEAD> <BODY> Hey C= hris, The correct URL for the spreadsheet is here:   <a href="http://www.ptg.org/files= /20041019125312.xls">http://www.ptg.org/files/20041019125312.xls</a> <SPA= N STYLE='font-size:12.0px'> Your comments are welcomed. Alan > From: Chris Solliday <solliday@ptd.net><BR= > > Reply-To: "College and University Technicians <caut@ptg.org&gt= ;" <caut@ptg.org> > Date: Fri, 22 Oct 2004 21:19:11 -0400 > To: "College and University Technicians <caut@ptg.org>&quot= ; <caut@ptg.org> > Subject: Re: [CAUT] Moving capstans > > well actually the process is usually done the other way around. I real= ize I > stuck my foot in my mouth (again) and oversimplified. Ric, Ed, and Dav= id > have given you good advice. And at the risk of beating a subject that = you > have already laid to rest... the real answer to your original question= is > there isn't one but what i hope that you are aware of is that in this<= BR> > process we know what ratio is, we know what strike weight is, we can k= now > the front weight, and we have an intended balance weight that we are t= rying > to get and so we could find for KR but it is alot simpler to float the= boat > (capstan). Afterall who is using other than a 17mm knuckle? and why wo= uld > you?  And the leaway here is very small, ratio is between 5.3 and= 5.7 on > good actions, bw 35-45 and if you can't get enough down with the capst= an > there is always the balance rail punching or shim trick further changi= ng KR. > Nick G's program is useful fun but ballpark. I could be more specific = if I > had been able to see the chart but it has been removed and wasn't read= able > at first. If you're going to do this kind of work I hope you will cons= ider > becoming a licensed Stanwood installer. And that goes for you other gu= ys > too, Ric excepted and accepted. Chris > ----- Original Message ----- > From: "Alan McCoy" <amccoy@mail.ewu.edu> > To: <caut@ptg.org> > Sent: Tuesday, October 19, 2004 5:58 PM > Subject: Re: [CAUT] Moving capstans > > >> Hi Chris, >> >> I know the formula for R, etc. I could also just physically move a= capstan >> and recalculate. The question though is how to predict the change = in BW >> resulting from moving a capstan or knuckle, before actually moving= it (as >> per the analysis sheet). >> >> Alan >> >> >>> From: Chris Solliday <solliday= @ptd.net> >>> Reply-To: "College and University Technicians <caut@pt= g.org>" > <caut@ptg.org> >>> Date: Tue, 19 Oct 2004 16:43:31 -= 0400 >>> To: "College and University Technicians <caut@ptg.org&= gt;" <caut@ptg.org> >>> Subject: Re: [CAUT] Moving capstans >>> >>> SR= BW+FW-(KRxWW) divided by SW the rest is simple math. >>> ----- Original Message ----- >>> From: "Alan McCoy" <amccoy@mail.ewu.edu> >>> To: "CAUTlist" <caut@ptg.org> >>> Sent: Tuesday, October 19, 2004 4:28 PM >>> Subject: [CAUT] Moving capstans >>> >>> >>>> Hi Folks, >>>> >>>> I'd like to pick some of your brains about a problem actio= n. I thought > it >>>> might help the discussion to = include my spreadsheet, but the list >>>> administrator thought it better to separate the attachment= . If you want >>> to, >>>> please go to <a href="http://= www.ptg.org:1406/files/20041019125312.xls">http://www.ptg.org:1406/files/200= 41019125312.xls</a> for the >>>> worksheet. >>>> >>>> Is there some way to calculate how much BW will change whe= n moving > either >>>> the knuckle or the capstan? O= r does anyone have enough experience/data > for >>> a >>>> rule of thumb for this calcul= ation? >>>> >>>> Comments? >>>> >>>> Thanks. >>>> >>>> >>>> -- Alan McCoy, RPT >>>> Piano Technician >>>> >>>> Eastern Washington University >>>> 119 Music Bldg >>>> Cheney, WA 99004 >>>> >>>> (509) 359-4627 >>>> amccoy@mail.ewu.edu >>>> >>>> >>>> >>>> >>>> _______________________________________________ >>>> caut list info: <a href="http://www.ptg.org/mailman/listin= fo/caut">https://www.moypiano.com/resources/#archives</a> >>>> >>>> >>> >>> >>> _______________________________________________ >>> caut list info: <a href="http://www.ptg.org/mailman/listinfo/c= aut">https://www.moypiano.com/resources/#archives</a> >> >> >> _______________________________________________ >> caut list info: <a href="https://www.moypiano.com/resources/#archives"= >https://www.moypiano.com/resources/#archives</a> >> >> > > > _______________________________________________ > caut list info: <a href="https://www.moypiano.com/resources/#archives">htt= p://www.ptg.org/mailman/listinfo/caut</a> </BODY> </HTML>