---------------------- multipart/alternative attachment Ok my friend, As you know, we (grand Piano) have quite a lot of experience with=20 ribbing old boards. I am not a sound board guy, so I am not going into discussion about the=20= technical/mechanical aspect. What I do know however is this : Usually, when you put new ribs (no spare ribs ok) on an old board, the=20= overall result will be that of a stronger board, in other words: it=20 sounds more powerful and more supple. However, if there was a problem with the treble in the old board, that=20= same problem will re-appear, and that is kind of nightmare -ish. So before you start doing this, make sure that there is no - real -=20 existing treble trouble. In that case, it would be much better to install a totally new=20 soundboard and maybe also a new treble bridge. Then there is of course=20= the trouble with old scaling : if the old scale was faulty, then I=20 assume there is not much you can do about it, except putting in a brand=20= new frame, or altering the frame, like Ron Overs does. It remains a tricky business, and especially so with old Steinways. I have quite some experience with old Steinways and they usually come=20 out pretty good. nevertheless, If I had the choice between a nice new Steinway B versus=20= a nice old Steinway B, my choice would definitely be the new one. Andr=E9 On 22-okt-04, at 10:17, Richard Brekne wrote: > Long discussion, lots of stuff back and forth on this in the archieves=20= > "Damage at cellular level" is like a real can of worms and in reality=20= > can just as easily interpreted in this application as a positve more=20= > then a negative. The fact that it is 100 years old is also a positive=20= > in many minds. Making pianos is simply not just a matter of=20 > engineering principles and mathematics... in fact these tools are far=20= > less useful then many here would like to have it. They become totally=20= > useless in my mind, when they define away any musicality that does not=20= > conform to their parameters. > > How does the piano sound, how long can it last... that is in the end=20= > the primary concern. Re-ribbing old panels is a fairly common=20 > proceedure over here, and I can assure you they sound and perform=20 > quite well... despite whatever concerns about the lack of some=20 > stiffness or other presumed negatives based on whatever understanding=20= > of relavant engineering principles these concerns stem from. > > Heck... even Del a few years back stated straight out that such a=20 > panel should sound and perform virtually identical to a new panel=20 > similarilly rib crowned... and its easy enough to find that series of=20= > posts between him and I. I reacted immediatly to the claim that on=20 > the one hand you had this "compression damage" thing that virtually=20= > rendered the panel useless, then on the other hand this same useless=20= > peice of wood could be rib-crowned and made to function just like a=20 > new rib crowned board. I still dont see that a clear explaination to=20= > that seeming contradiction was ever supplied... but clearly that must=20= > be because of some lack of understanding on my part. > > Cheers > RicB > > David Love wrote: > >> Why would you trouble yourself to take the ribs off a panel that has >> damage at the cellular level and then use it again with new ribs. >> Especially in the upper end of the piano where much of the stiffness=20= >> is >> provided by the panel and not the ribs, this seems like folly to me. >> That panel you are trying to salvage bears no resemblance to the = panel >> that was originally installed once it's gone through 100 years of >> expansion and contraction. >> David Love >> davidlovepianos@comcast.net >> > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives > > friendly greetings from Andr=E9 Oorebeek "where Music is, no harm can be" ---------------------- multipart/alternative attachment A non-text attachment was scrubbed... Name: not available Type: text/enriched Size: 3774 bytes Desc: not available Url : https://www.moypiano.com/ptg/pianotech.php/attachments/c7/47/5b/1a/attachment.bin ---------------------- multipart/alternative attachment--
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