groovey capo

[justpianos@our.net.au]

Could string material be used in the situation as the like materials should 
be less prome to groove each other.
Bruce Browning-The Piano Tuner


Michael Spalding <spalding48@earthlink.net> said:

> I've used rods a couple of times in restringing - in one case it was part
> of the original design, in the other I was forced to add it because of the
> poor quality of the cast iron in the original capo bar.  One thing you've
> got to watch out for, is that the rod is well-seated along its entire
> length.   The string pressure alone may not be enough to force a carelessly
> bent rod down into its seat.  Especially at the break.  The noise this
> causes sounds a lot like an old grooved capo bar.  I think bedding the rod
> in Liquid Steel or other highly reinforced epoxy is a good precaution
> against this kind of problem.   DAMHIK.
> 
> Mike
> 
> 
> > [Original Message]
> > From: Elwood Doss <edoss@utm.edu>
> > To: Don <pianotuna@yahoo.com>; PTG <pianotech@ptg.org>
> > Date: 11/24/2004 9:23:43 AM
> > Subject: RE: groovey capo
> >
> > I'm assuming the capo d'astro rod can be replaced.  I've seen a few
> > older pianos with the rod configuration on the capo.  It makes sense to
> > make it replaceable, rather than having to dress the v-bar when the
> > piano is restrung.
> >
> > Joy!
> > Elwood
> >
> > Elwood Doss, Jr. M.M.E.; RPT
> > Piano Technician/Technical Director
> > Department of Music
> > 145 Fine Arts Building
> > The University of Tennessee at Martin
> > Martin, TN  38238
> > 731/881-1852
> > -----Original Message-----
> > From: Don [mailto:pianotuna@yahoo.com] 
> > Sent: Tuesday, November 23, 2004 9:22 PM
> > To: PTG
> > Subject: groovey capo
> >
> > Hi Sarah,
> >
> > Young Chang (among others, I'm sure) has done a "rod"
> > It can work well if the "right* material is chosen.
> > Sometimes it is not field tested enough. There *can*
> > be too much friction for the strings to render.
> >
> > I like the idea as sooner or later the bar will need
> > reshaping. It seems a "no brainer" that just putting a
> > new rod in place would be a better fix. However, I'm
> > not a piano designer--just a lowly old tooner.
> >
> > On Bosendorfer pianos the capo can be removed. I
> > suppose that means it can be replaced.
> >
> > >I've toyed with the idea of grinding a groove in the
> > capo and epoxying drill rod stock into the groove. 
> >
> > =====
> > Regards,
> > Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T.
> > 3004 Grant Rd, Regina, SK, S4S 5G7
> > Tuner for the Saskatchewan Centre of the Arts
> >
> > http://us.geocities.com/drpt1948/
> >
> >
> > 		
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