----- Original Message ----- From: "Farrell" <mfarrel2@tampabay.rr.com> To: "Pianotech" <pianotech@ptg.org> Sent: Tuesday, April 15, 2003 4:30 AM Subject: Re: Baldwin AccuJangle > This tech mentioned this term while doing a little PTG chapter meeting technical on voicing and tapping down strings, etc. trying to eliminate noises. The tech indicated that Baldwin specifically places the vertical hitch pins distances from the back bridge pins so that they are at least roughly tuned, thus creating the jangle. Does Baldwin try to make the backscale length a "tuned length"? I can only assume you have written an article on this or at least posted a dozen times, so I am reluctant to ask you to explain again. Can you direct me to more info on this - and how your current use of the vertical hitch pin system might differ from the Baldwin system? Thanks. I don't remember if there was a tuning scheme employed here or not. They are offset from anything resembling a straight line to better distribute the bending load over the plate surface. It's pretty hard (if not impossible) to design a backscale without some strings being sympathetic with something. But I've not heard that this is a common problem with Baldwin pianos. It may be, but it wasn't one coming back to the factory during the years I was there. On the other hand, it is a very common problem with pianos incorporating a deliberately tuned duplex system. What I've heard technicians call these system from time to time really shouldn't be printed in forum children might read. In my own use of the vertical hitch I try to keep them just a bit shorter than any close partial. And I also spread them out just a bit though I don't worry about this as much as Baldwin does. I also don't plan to let the string ride any more than 4 or 5 mm off the plate surface. I've seen Baldwin pianos with the strings as much as 15 to 18 mm up. > > This tech spoke in a rather dismissive/disdainful manner of the Baldwin system. The tech's orientation at least was not unlike that which I have read on this list about tuned rear duplex scales (like S&S, Boston, Kawai, and a hundred others). Ah, the piano industry is a wonderful place. No good deed will go unpunished and any attempt toward progress will be greeted with contempt and derision. Del
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