Yeh I know. See what you started, The Quest for the Holy String Termination. <G> Like I said Good luck. Joe Goss RPT Mother Goose Tools imatunr@srvinet.com www.mothergoosetools.com ----- Original Message ----- From: "Carl Meyer" <cmpiano@comcast.net> To: "Pianotech" <pianotech@ptg.org> Sent: Sunday, August 14, 2005 4:10 PM Subject: Re: string termination > Thanks, Joe. Common cents don't keep up with inflation these days. > > Yes, I've got lotsa response. > > Carl Meyer PTG assoc > Santa Clara, Ca. > > > ----- Original Message ----- > From: "Joe And Penny Goss" <imatunr@srvinet.com> > To: "Pianotech" <pianotech@ptg.org> > Sent: Saturday, August 13, 2005 5:41 PM > Subject: Re: string termination > > > > Well Carl, > > If you wants common cents <G> > > When I's plucks my bass pulling the string in a up motion on my bass I > > gets > > a ping sound. If it is pulled to the side, more of a deep full bassey > > sound. > > But that is probibly not the kind of answer you are after. Also the same > > kind of results of a sort if the string is excited near the bridge, a thin > > sound. And away from the bridge a deeper fuller sound. Your search may > > raise > > more questions for you. > > Hope you can find your answer. > > Joe Goss RPT > > Mother Goose Tools > > imatunr@srvinet.com > > www.mothergoosetools.com > > ----- Original Message ----- > > From: "Carl Meyer" <cmpiano@comcast.net> > > To: <pianotech@ptg.org> > > Sent: Saturday, August 13, 2005 6:12 PM > > Subject: string termination > > > > > >> A lot of things about string terminations have bugged me for some time. > >> > >> Ron Overs (who I respect) promotes hardening of the capo bar, yet the > >> agraffe is a relatively soft material (brass). The difference is that > >> the > >> capo is straight and the agraffe is round. Wouldn't the agraffe last > > longer > >> if it were heavily plated with chrome, nickel or?? Oh I forgot, piano > > techs > >> love brass, felt and wood. > >> > >> Now under normal circumstances, the piano string is terminated (pivoted) > > on > >> the top surface of the agraffe. Let's call that North. Let's call the > >> bottom of the agraffe South. The other two surfaces would be called east > >> and west. > >> > >> At the bridge, the string is terminated at maybe SSE (south south east). > >> > >> Wapin claims that their vertical bridge pin encourages the string to > > vibrate > >> in the horizontal direction quicker before the energy has been dissipated > > in > >> the vertical mode and hence -longer sustain. > >> > >> Let's make it a given that the impact of the hammer is in a northern > >> direction. > >> > >> Stuart of Australia claims that their bridge termination increases the > >> vertical vibration of the string. Hmmmm? How does that effect the > >> sustain???? > >> > >> My esteemed colleuge from one of the fly over states suggests that a > > string > >> starts out vibrating vertically, slowly starts to drift horizontally but > >> never gets to true horizontal. He also suggests that a string tends to > >> vibrate at 90 degrees of its termination. I want to find out if that is > >> true. > >> > >> I don't really know, but it has been my assumption (maybe in error) that > > the > >> string vibrated vertically, slowly drifts elliptically, approaches > >> horizontal, then elliptically in the other direction and then returns to > >> vertical at a much lower level. This would then be a cyclical > >> phenomenon. > >> Sorry for the flurry of five dollar words. > >> > >> I've been thinking of a new bridge termination scheme for rebuilding but > >> I'm not going to proceed till I answer a basic question. > >> > >> Here's my question: A vibrating string has two terminations. It is > > excited > >> in the northern direction. (Ignore the strike point) What effect on > >> tone > >> will be the termination of the two ends of the string????? Both north, > >> one > >> north and the other south, east or west???? Or no big difference?? > >> > >> I have recently found plans on the net to build an led stroboscope. I > > will > >> build this and look at a string under vibration. I could stretch a wire > >> across my garage and look at it with different terminations. > >> > >> If some of you deep thinkers have an answer to my question that makes > > common > >> sense, I won't have to do this. Give me your feedback. Thanks > >> > >> > >> > >> > >> _______________________________________________ > >> pianotech list info: https://www.moypiano.com/resources/#archives > > > > _______________________________________________ > > pianotech list info: https://www.moypiano.com/resources/#archives > > > > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives
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