Yes it is. Google "sabot" and go to Wikipedia for detailed description. Then you can figure out how it might apply to a needle holder. Ray
----- Original Message ----- From: "Ron L" <lhera...@bu.edu> To: "'Antique Phonograph List'" <phono-l@oldcrank.org> Sent: Wednesday, February 13, 2008 4:01 PM Subject: RE: [Phono-L] threaded needles > Isn't sabot a French word for boot? > > Ron L > > -----Original Message----- > From: phono-l-boun...@oldcrank.org [mailto:phono-l-boun...@oldcrank.org] > On > Behalf Of Thatcher Graham > Sent: Wednesday, February 13, 2008 3:17 PM > To: Antique Phonograph List > Subject: Re: [Phono-L] threaded needles > > > As an engineer I could not help but to fixate on this "threaded needle > idea". I agree that threading needles solves the mass issue hence the > instinctive appeal, but the difficult manufacture is equally > discouraging. As an alternative, have you considered a sabot? > > -Thatcher > > > > Jon Noring wrote: >> Greg wrote: >> >> >>> Threading the needle shank and having it screw into the needle bar >>> is > an >>> option. I hadn't considered that before, but it would pretty well solve > the >>> extra mass problem. But it would make the needles pretty involved to >>> manufacture. I'll keep it in mind. >>> >> >> Yes, it would be involved if all the needles are threaded by hand or >> in small numbers, especially at the diameter being considered. >> >> It is intriguing to consider using a very fine threaded rod, if even >> manufactured in the desired material(s). One would have to grind and >> polish to create the tip geometry. >> >> Which brings up the idea that if a needle is to be especially >> manufactured, one could consider tipping it with a different material >> that can be specially shaped (such as spherical or elliptical with >> no sharp edges at all. It is my understanding that most damage to >> grooves is due to a tip which is no longer smooth. Maybe the tip could >> be made from a material of the same hardness as the "grit" used in >> shellac discs (is it corundum?) to wear down the needle. >> >> Just thinking outside the box... >> >> Jon >> >> _______________________________________________ >> Phono-L mailing list >> http://phono-l.oldcrank.org >> > > > > _______________________________________________ > Phono-L mailing list > http://phono-l.oldcrank.org > > _______________________________________________ > Phono-L mailing list > http://phono-l.oldcrank.org >
