Hi David, I just don't like at all the feeling if knuckles are graphited (no speaking of the mess)never had problems with Teflon on it. May be I am putting the problem there where it stay elsewhere but I don't think so. Beside I've find that some can be brushed or lightly filed (nap direction) and on others it will raise the nap to a point friction remains way too much after that. That too low friction exist is the key bushing is certainly an exaggerated point of view from my side as usual ;<). Seems to me I prefer action in somewhat high friction zones as having a better touch. Regards. Isaac OLEG > -----Message d'origine----- > De : owner-pianotech@ptg.org [mailto:owner-pianotech@ptg.org]De la part > de David Love > Envoyé : samedi 6 avril 2002 08:26 > À : pianotech@ptg.org > Objet : Re: Slick Key Bushings. > > > Assuming proper flange pinning, I don't think you can reduce friction too > much. Certainly not by lubricating key pins and knuckles. > > David Love > > > ----- Original Message ----- > From: "Richard Brekne" <Richard.Brekne@grieg.uib.no> > To: <pianotech@ptg.org> > Sent: April 05, 2002 3:21 PM > Subject: Re: Slick Key Bushings. > > > > Isaac OLEG SIMANOT wrote: > > > > > Richard, > > > > > > While the trick of using CLP on problems bushings is very good, and > having > > > some since the start may well protect the durability of them , in a > school > > > environnement particularly, I am not persuaded we may have > absolutely no > or > > > very low friction in the key. I wonder if a little friction is not > adding > > > tactile feedback and better control (assuming it is not too much) > > > > > > Idem with graphite on the knuckle (yes there are yet people > doing that) > , we > > > loose some element used in the play when it is there (control). > > > > > > Just my 0,1 Euro. > > > > > > Isaac > > > > A good point to be sure... to little friction may be a bad > thing... on the > other > > hand friction in some sense represents a resistance to movement....which > might > > be better delt with from a leverage point of view.... at least to a > greater > > degree then we now take for granted..... just a thought.... > > > > nice to hear from you Isaac :) > > > > RicB > > > > > > -- > > Richard Brekne > > RPT, N.P.T.F. > > Bergen, Norway > > mailto:rbrekne@broadpark.no > > http://home.broadpark.no/~rbrekne/ricmain.html > > > > > > > >
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