---------------------- multipart/alternative attachment > We just got a piano back from Ron Nossaman=92s shop last Friday. It =20= > used to be a Steinway D. It is now a Nossaman D. What a wonderful =20= > sounding instrument! Thanks Dave. This was the first time I'd done this extensive a set of =20= modifications on a 9' piano, and the results were more dramatic than =20 I'd really expected. I expect to get dramatic improvement from =20 smaller pianos with modifications, but I expected this one to be just =20= a much cleaner and better balanced version of what we're used to =20 hearing. Separating the bridges and adding the transition brought the =20= whole bottom half of the scale to life. The low tenor and low bass =20 being no longer clamped to one another by a ring bridge construction =20 lets them move separately to good effect. It's very difficult to =20 aurally tell where the transitions are between bass and tenor, and =20 between wrapped bichords and plain trichord unisons. > Gone are the irritating wound trichords, all the false beats and =20 > the killer octave. Now it has a tenor bridge with 5 wound =20 > bichords, a new bass bridge disconnected from the treble bridge, a =20 > large bass cut-off bar, a treble fish, 22 ribs, and many other =20 > enhancements. I hope Ron will jump in here and give whatever =20 > technical details he wants to give. > I had some parts left over. Among the deleted features were the tuned =20= rear duplexes, the tuned front duplexes, the bell, and the acoustic =20 dowel plate suspension system. I did some bracing and mass loading of =20= the belly rail in the treble, and got a pretty fair sustain out of =20 the treble. Instead of the usual 47mm-50mm C-8, it now has a C-8 of =20 53mm. There's still a circle of sound of sorts, but I tried to keep =20 it between the string plane and the soundboard assembly instead of =20 letting it run wild over the whole piano. A semi-log scale progression on the long bridge, with real doglegs in =20= the bridge at the breaks to maintain the progression, makes tuning =20 nicer. Not that it means anything in particular, but the bass bridge =20 and it's end extensions ended up being longer than the longest rib in =20= the piano. That doesn't happen too often with a 20 note bass. You know, the usual heretical stuff we've been talking about on the =20 list for some years. Ronsen Wurzen felt hammers and I left the final voicing for Dave, =20 rather than impose my tastes on the owners, so I haven't heard it =20 entirely finished. > He even has some pictures of various parts of the redesign I hope =20 > he=92ll post. > More than anyone could possibly want to see, most likely. > The new back action now has capstans under each underlever and the =20 > keys have an additional maple plate on the top of the key to help =20 > reduce key flex. I am elated with the whole thing. There are new =20 > ideas in piano construction even though not from our piano =20 > factories. The Steinway D has been redesigned 4 times since its =20 > first introduction in 1859 as the Style 4. The last changes =20 > Steinway made were in 1915 so surely that=92s modern enough! > It is, for Steinway. This piano is now a former Steinway - a =20 Frankensteinway, I think John Hartman called the type. > This is the way a piano should sound IMHO! > Thank you VERY much. Now I can start on my B for Rochester next summer. Photos: http://tinyurl.com/78r9n http://tinyurl.com/7tbah http://tinyurl.com/bxrhj http://tinyurl.com/7unew http://tinyurl.com/9n27y http://tinyurl.com/cbjs4 http://tinyurl.com/7hg4u http://tinyurl.com/dayvj http://tinyurl.com/csfh2 http://tinyurl.com/bw9ly http://tinyurl.com/dold3 http://tinyurl.com/dhbmb http://tinyurl.com/c6jbq Direct ptg.org URLs: https://www.moypiano.com/ptg/files/attachments/a4/86/99/55/bridgesD.jpg https://www.moypiano.com/ptg/files/attachments/b6/a9/7a/5e/=20 ImprovedduplexesD.jpg https://www.moypiano.com/ptg/files/attachments/63/c9/e4/b1/=20 quarterroundD.jpg https://www.moypiano.com/ptg/files/attachments/99/af/76/9a/=20 DTransitionandlaminatedcaps.jpg https://www.moypiano.com/ptg/files/attachments/21/1d/15/fe/=20 ribbedpanel.jpg https://www.moypiano.com/ptg/files/attachments/52/f3/a8/9d/=20 Bushingbuttons.jpg https://www.moypiano.com/ptg/files/attachments/57/be/cf/29/=20 Regulating.jpg https://www.moypiano.com/ptg/files/attachments/8a/9b/9c/3a/=20 Platesandbuttons.jpg https://www.moypiano.com/ptg/files/attachments/8a/8c/95/68/=20 Dribscutofffish.jpg https://www.moypiano.com/ptg/files/attachments/4b/30/9c/b6/=20 Boardclamped.jpg https://www.moypiano.com/ptg/files/attachments/dd/43/ab/65/OverheadD.jpg https://www.moypiano.com/ptg/files/attachments/ba/10/03/e5/=20 Oopsrepaired.jpg https://www.moypiano.com/ptg/files/attachments/ab/f4/cf/07/Oops.jpg ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... 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