Dave, I'm going to have to do this as a warranty issue on a Chinese make, way too tight. What kind of gram resistance are you talking about here? Andrew Anderson At 04:39 PM 11/8/2007, you wrote: >>The change in tone on this piano was astounding. >>I have been chasing voicing issues that are pinning >>issues. > >Ding ding ding ding. This is what Chris Robinson and Roger Jolly >have been preaching for a long while; all this baloney about zero >friction is a crock of merde. In most pianos, in most applications, >3-4-5 swings is close to ideal for the shank flange. I'm glad, Dave, >that you now have concrete, practical, aural evidence of the crucial >tonal importance of proper shank flange friction. We repin carefully >on every single set of new flanges we install, regardless of maker. >It's that important. Proper flange friction, especially at the shank flange, >has a radical positive effect on the touch, the "right" feeling of >the action; it becomes crisper, "lighter," more controllable at low volume. > >If you maintain high-use Asian pianos, you can become a voodoo, >iconic "voicing technician," respected and desired, if you carefully >repin the shank flanges. We repin the shank flanges on every new >client with an Asian piano (and other makers on a case-by-case >basis) as a matter of course. There's oodles in the archives about >the latest, hippest methods; the Mannino broaches are the key. > >You can't lose with this. Most times you repin, everything gets >startlingly better, and you're a hero. Woo-hoo. > >xoDavid Andersen > > >On Nov 7, 2007, at 6:08 PM, David Renaud wrote: > >>There were 27 swings on some hammer flanges. >> >>Some birds eyes required #22 pin to be tight. >> >>The pins were rotating in some bird eyes. >> >> >> >>The change in tone on this piano was astounding. >> >>I have been chasing voicing issues that are pining >> >>issues. >> >> >>The rep. works. >> >> >>One comment was that Steinway spec for hammer flange >> >>pinning is .1 to 4 grams. There is talk of a zero >> >>friction policy. Excuse my ignorance, but are you >> >>kidding, is that a joke. Do they really think one >> >>tenth on one gram is acceptable. >> >> >> If so I should post a recording of the change >> >>in tone in this octave for all to hear. Also it >> >>is imposable to get the rep springs soft enough >> >>not to jump and still allow the rep. lever to support >> >>the hammer on fast trills. Impossible I say with >> >>.1 gram resistance. >> >> >> Now I have to do the whole piano. >> >> >> The repined octave is silky smooth. >> >> The very next note A5 screams upper harmonics and >> >>has clack in the tone. The clack was not so noticeable >> >>when ever thing was the same, but now with a clean >> >>point of reference it is so clearly deficient. -------------- next part -------------- An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/20071108/586439e7/attachment.html
This PTG archive page provided courtesy of Moy Piano Service, LLC