With no problem? I cuss at them little rascals all the time! A number of manufacturers over the years have made agraffes with hardened steel rods across the top for the strings to bear on. No, my question is why the heck do they make agraffes out of brass? Maybe even more noise with an all steel agraffe? Terry Farrell ----- Original Message ----- From: "Al Guecia/AlliedPianoCraft" <AlliedPianoCraft at hotmail.com> To: <pianotech at ptg.org> Sent: Thursday, March 05, 2009 2:35 PM Subject: Re: [pianotech] Capo Bars But we do use brass agraffes with no problem. Al -------------------------------------------------- From: "Farrell" <mfarrel2 at tampabay.rr.com> Sent: Thursday, March 05, 2009 12:28 PM To: <pianotech at ptg.org> Subject: Re: [pianotech] Capo Bars > But if brass is softer than the steel music wire, and I presume softer > than unhardened cast iron, then isn't the steel wire going to cut a groove > into the brass capo insert? And isn't that what we're trying to avoid? > > Terry Farrell > > ----- Original Message ----- > From: "Dean May" <deanmay at pianorebuilders.com> > To: <pianotech at ptg.org> > Sent: Thursday, March 05, 2009 8:43 AM > Subject: Re: [pianotech] Capo Bars > > >> Young Chang started doing this in the mid 90s, don't know if they still >> do. >> They used a brass rod instead of steel. Music wire on brass is self >> lubricating. >> >> Dean >> >> Dean May cell 812.239.3359 >> >> PianoRebuilders.com 812.235.5272 >> >> Terre Haute IN 47802 >> >> -----Original Message----- >> From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On >> Behalf >> Of Richard Brekne >> Sent: Thursday, March 05, 2009 4:30 AM >> To: pianotech at ptg.org >> Subject: Re: [pianotech] Capo Bars >> >> Good question... and I'm looking forward to reading the replies. FTR, >> Bohemia pianos, a spinoff of Petrof after the splitup of Czechoslavakia >> actually did do this for a while... I'm unsure if they still do. They >> used some kind of bronze alloy I believe. Perhaps its a question of >> tooling and expense ? >> >> RicB >> >> >> Why do manufacturers harden capo bars rather than cast (or grind) >> the underside of the strut flat, rout out a groove to receive a >> steel rod of proper radius, shape and hardness and insert it there >> where it could, when it's worn, be easily changed and where the >> consistency would be more easily controlled. Is there a compelling >> reason not to do it that way? >> >> >> >> >> >> > > > >
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