No, it is because the soundboard is arched too. friendly greetings from Antares, Amsterdam, Holland "where music is, no harm can be" visit my website at : http://www.concertpianoservice.nl/ > From: "Isaac OLEG SIMANOT" <oleg-i@wanadoo.fr> > Reply-To: pianotech@ptg.org > Date: Sat, 17 Nov 2001 20:35:44 +0100 > To: <pianotech@ptg.org> > Subject: RE: key leveling -- crown? > > Not only Steinway consider good new keyboard leveling will show a little > arch in the middle. > Klaus Schimmel does too, so Seiler, so other German makers, and their key > bed is not arched. > > In fact on Steinway we may use and arched rule because of the arched keyed > only, they don't pretend it is for the future wear of the balance bushings, > that is other makes that pretend (?) that. > And may be is it only for visual effect ! > > Regards. > > Isaac OLEG > >> -----Message d'origine----- >> De : owner-pianotech@ptg.org [mailto:owner-pianotech@ptg.org]De la part >> de Carl Meyer >> Envoyé : vendredi 16 novembre 2001 21:07 >> À : pianotech@ptg.org >> Objet : Re: key levelling -- crown? >> >> >> >> Yes, Dick , it was Steinway that did that. However it was done >> to make the >> key level line follow the crown in the keybed, which was put in to ensure >> full contact (spring loaded) of the action frame to the bed. >> >> Had it been to compensate for felt compression, wouldn't it be appropriate >> to have a schedule of releveling according to age or mileage? Maybe 1/16 >> initially, then after 50000 songs we relevel to 1/32. Then after another >> 50000 songs to1/64? Now, if the key frame is refelted we must start the >> schedule all over again. Damm!!! nobody told me that they'd refelted this >> keybed!! >> >> I've been trying to kill this legend for several years now. It's hard >> because at first glance it seems so "impressive" so "logical" so >> "sophisticated" and it was of course Steinway that did it. Was it really >> necessary to crown both the bed and the key frame or would it have been >> sufficient to but more crown in the key frame? Does Steinway >> have a patent >> on that? I doubt it. Does any other company use that technique? I don't >> know of any. >> >> If you haven't guessed yet, I think crowning the key bed is a >> dumb idea. It >> was a complicated, expensive, confusing and just silly solution to a non >> existent problem. >> >> Maybe they would rather we say bad things about them than to say >> good things >> about some other brand. Politicians always say "Say anything you >> want about >> me, just don't misspell my name". >> >> Regards >> >> Carl Meyer Assoc. PTG >> Santa Clara, California >> cmpiano@home.com >> >> >> >> >> >> >> ----- Original Message ----- >> From: "Dick Beaton" <rbeaton@initco.net> >> To: <pianotech@ptg.org> >> Sent: Thursday, November 15, 2001 11:17 AM >> Subject: Re: key levelling -- crown? >> >> >>> All... >>> I recall the reason for doing this is that the middle of the piano gets >>> played more than the ends. In time it will even itself out as the felt >>> center rail punchings flatten out more. As I recall, it was >> Steinway that >>> did this. >>> Dick RPT MT >>> >>> ----- Original Message ----- >>> From: Charles Neuman <piano@charlesneuman.net> >>> To: <pianotech@ptg.org> >>> Sent: Thursday, November 15, 2001 9:00 AM >>> Subject: key levelling -- crown? >>> >>> >>> >> >> > >
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