Dit is een meerdelig bericht in MIME-indeling. ---------------------- multipart/alternative attachment Dell and all the others,=20 I've read a few years ago an article about carbongraphite made = instruments. =20 It was somebody in France who made violins, cello's, ... in this = material. He also was looking for making piano's (or some parts of it, = don't know it very shure) in this material. I don't know whohe is and = where he lives in France. I've looked for it several times but until = this moment I don't have found anything more. =20 ISAAC OLEG do you know something about. =20 Greetings,=20 Peter 't MUZIEKINSTRUMENTENATELIER PETER KESTENS BELGIUM KESTENS.P@DEBCOM.BE -----Oorspronkelijk bericht----- Van: Delwin D Fandrich <pianobuilders@olynet.com> Aan: pianotech@ptg.org <pianotech@ptg.org> Datum: zondag 15 februari 1998 23:37 Onderwerp: Re: a different piano design... =20 =20 =20 Mike Swendsen wrote:=20 =20 Del:About 7 or 8 years ago I played a wonderful guitar that had a = carbon graphite top. The tone was powerful and warm. Really a delight = to listen to and to play. I often thought since then that it would = probably be quite possible to build soundboard including bridges and = ribs out of carbon graphite/boron graphite etc.. ( some new composite = material) Everything could be built-up or cast as necessary or as = designed, I'm sure there a re fewer construction restrictions with the = new materials than with spruce. And it would be absolutely = water/humidity resistant. ( No seasonal tuning changes due to humidity = changes)If it could be made to sound as good as that guitar sounded, who = knows?=20 C. Mike Swendsen RPT -----------------------------------------=20 Mike,=20 =20 There are several materials available today that would probably make = good piano soundboards. Take a look at the patent files. I've worked = with only a couple of them, and those only enough to probably be = dangerous. That is to say, I'm not ready to give up on Sitka spruce = quite yet.=20 =20 There are a number of problems facing the brave soul who first tries = to market a piano with a composite -- or whatever -- soundboard. Most of = those problems will have to do with convincing the technical community = that they will really work. No matter that this board may appear in the = best sounding piano the world has ever seen.=20 =20 Del=20 =20 =20 ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/19/1f/8e/67/attachment.htm ---------------------- multipart/alternative attachment--
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