Rex, Nope! No "metal harp" thingee. My client has gone down the Sabatihl & Son road. To no avail. It seems the Son is running things and doesn't want anything to do with this thing. Hence, my involvement.<G> Regards, JOE Joe Garrett, R.P.T. (Oregon) Captain, Tool Police Squares R I > [Original Message] > From: Rex Roseman <rosemanpiano at gmail.com> > To: <joegarrett at earthlink.net>; <pianotech at ptg.org> > Date: 9/16/10 6:37:56 PM > Subject: RE: [pianotech] Harpsichord Tuning Pin Torque? > > Joe > > I am thinking that one of the instruments that I service is a Sabathil. Does > yours have a metal harp? If it is from the same maker, I believe that the > tuning pins are the same style as piano and zither pins with a hole for a > becket, in which case the do not need to be removed to replace a string if > you don't want to. Sabathil and Sons have a website at > http://www.sabathilandson.com/ and would probably be able to get you > valuable construction information. > > > Rex Roseman > > > -----Original Message----- > From: Joseph Garrett [mailto:joegarrett at earthlink.net] > Sent: Thursday, September 16, 2010 11:13 AM > To: David Doremus; pianotech at ptg.org > Subject: Re: [pianotech] Harpsichord Tuning Pin Torque? > > David, > Thanks for the response. It seems, everything on a harpsichord is 'by feel' > or 'because that's the way it has been done', with little or no R & D. Why > is that? Confusing to me. I'm resurrecting a Sabatihl that self-destructed > and was brought to me in several "Baskets"! Whoopee!<G> It's the first for > me...redesign of the original to, (hopefully), elliviate the possibility of > the "self-destruct". As it stands, I doubt I'll ever do another. As for > contacting Zuckerman, I've tried. They seem to want to ignore. I'd like to > get a good "t" hammer w/hook from them as well. (Sigh.) > As for the proper tip to put on a torque wrench, I took a cheapie 3/16", > 1/4" drive, socket and did a little filing, (with "jewelers files), > and...voila'! Just put a 1/4" to 3/8" adaptor on the torque wrench and I'm > up and running. Now, I need some specs. I calculated that the drill(s) > needed for a slightly looser torque would be a 3/16" or a #12 drill bit. > Any help on that account would, also, be appreciated. I assume, since the > string tension is so much less than a piano, that less torque would be > needed to hold the tuning pin. The one thing that bothers me is: when a > string breaks, (which is often), the owner/player of said harpsichord has > to take the tuning pin out of the pin block to work the "magic" technique > of replacing/winding the string. (I took Ann Garee's class at the Vegas > thingee. Had fun and learned a bit about that aspect of these critters.<G>) > The problem: if the tuning pin is in/out of the darned block numerous > times, that sucker is going to eventually be too loose IMHO. BTW, the > material I am using for the pinblock is Delignet. (I know: > 'Why???!!!....Because it's what I have on hand...and, it's what I'm used to > working with!<G>) The original block was solid European Beech, (which did > the Self-destruct thingee) > Well, such is the latest "experience" in my shop.<G> > Joe > > Joe Garrett, R.P.T. (Oregon) > Captain, Tool Police > Squares R I > > > > > [Original Message] > > From: David Doremus <algiers_piano at bellsouth.net> > > To: <joegarrett at earthlink.net>; <pianotech at ptg.org> > > Date: 9/16/10 7:31:33 AM > > Subject: Re: [pianotech] Harpsichord Tuning Pin Torque? > > > > Honestly no, I have never measured although I have tuned too many to > > count. Maybe 30 in/lbs at a guess? You know it when you feel it. They > > just need to hold the tension of the string without slipping and turn > > easily with the wrist. Too tight is very difficult to work with. I have > > a couple of Dowds and a Herz that I see regularly, I can try to measure > > them if I figure out a way to get the right tip on a torque wrench <g> > > You might try contacting Zuckermann, since they are a fairly large > > company as harpsichord makers go and might have some research on this. I > > have drilled pinblocks for harpsichords and clavichords purely by feel > > of samples with no problems. > > > > --Dave > > New Orleans > > > > On 9/15/10 9:02 PM, Joseph Garrett wrote: > > > > > > Anyone know the approximate tuning pin torques of a harpsichord? > > > Joe > > > Joe Garrett, R.P.T. (Oregon) > > > Captain, Tool Police > > > Squares R I > > > > -- > > > > > > -- > > Internal Virus Database is out-of-date. > > Checked by AVG. > > Version: 7.5.560 / Virus Database: 270.12.26/2116 - Release Date: 5/15/09 > 6:16 AM > > > > > > > -- > Internal Virus Database is out-of-date. > Checked by AVG. > Version: 7.5.560 / Virus Database: 270.12.26/2116 - Release Date: 5/15/09 6:16 AM
This PTG archive page provided courtesy of Moy Piano Service, LLC