No, Yamaha will not sell their "Ivorite" keytops for general replacment. They will sell individual tops for pianos that originally were so equipped, provided you can supply a serial number. I asked. Dale Fox On Wed, 17 Oct 2001 06:38:02 -0400 "Tom Servinsky" <tompiano@gate.net> writes: > John, > What is the standard grained polyester keytop ? Are there any > manufacturers > that you know of who are using them? > I'm trying visualize what they look and feel like. > > By the way do you know if the ivorine that Yamaha uses on their high > end > grands are available for purchase? > Tom Servinsky,RPT > ----- Original Message ----- > From: "John Delacour" <JD@Pianomaker.co.uk> > To: <pianotech@ptg.org> > Sent: Monday, October 15, 2001 12:37 PM > Subject: Re: keytops (Question) > > > > At 09:26 15/10/01 +0200, Richard Brekne wrote: > > > > >I hear a lot of folks talking about using routing or sawing > techniques in > some > > >way for removal of old key tops / fronts in preperation for > renewal. > > > > > >I would like to hear a bit about why you all do this instead of > using > some > > >form of heating up the the old keytops so as to "peel" off the > old top / > front > > >material. > > > > Me too, Richard. I've been reading this thread in amazement and > feeling > > thankful that the Atlantic Ocean is likely to prevent me ever > having to > > deal with one of these doctored keyboards. > > > > From what I gather, it's not a question of removing the old > coverings but > > of removing a thickness of wood under the covering so that the fat > stick-on > > key covers will not be higher than the original ivory or whatever. > > > > My first reaction is, what is the point of going to all this work > in order > > to fit nasty fat acrylic key-covers when you can have the keys > recovered > by > > a specialist in thinner sheet material, either grained celluloid > or the > > latest industry standard grained polyester? > > > > Secondly, what difference is it going to make on many repair jobs > if the > > wood of the sharps is a millimetre or less above the level of the > woods of > > the naturals ads a result of raising the sharps to the new level? > The > > answer is virtually none, and if it's necessary to plane a mm. off > a grand > > fall to accomodate the fat key-tops, that's not the end of the > world > > either. If you're going to use these dreadful key-tops to start > with, why > > balk at removing a tiny amount from the fall, which can easily be > built up > > in the future if necessary. Nonew of this would be necessary if > the keys > > are properly recovered. > > > > Many years ago, when I could not trust the specialist firms to do > a good > > job, I did sometimes use moulded sets of covers, and if it was a > hight > > class job, I would remove the ebony sharps and raise these using a > couple > > of thicknesses of walnut veneer to keep the wooden tops level. To > prise > > off 36 ebonies and raise them is very quickly done and there is no > damage > > to the keyboard. > > > > Nowadays I wouldn't consider using moulded tops. Either I recover > the > keys > > myself in sheet stock or I send them to Kluge or a very good > English organ > > keyboard firm, and have them beautifully done in polyester sheet. > > > > This routing and planing business is about the wildest thing I've > read on > > this list in the past few weeks, and I've been reading some pretty > wild > things! > > > > JD > > > ________________________________________________________________ GET INTERNET ACCESS FROM JUNO! Juno offers FREE or PREMIUM Internet access for less! Join Juno today! For your FREE software, visit: http://dl.www.juno.com/get/web/.
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