pulley keys - special tool from oliag (wood washers)

[Keith Roberts]

I'm about to prune my mom's 40 year old lemon tree. A few branches the size
of my arm. Should I mill it out? I haven't heard of the onesti system.
Keith R
----- Original Message -----
From: "Newton Hunt" <nhunt@optonline.net>
To: <pianotech@ptg.org>
Sent: Thursday, September 05, 2002 8:18 AM
Subject: Re: pulley keys - special tool from oliag (wood washers)


> This is exactly why the Onesti system is so superior.  All the little
> pins you see are all different sizes.  The keys are sorted by the sizes
> of the holes then that pin is used to guide the cutter.  You can use any
> wood you wish, poplar, maple, birch, beech, but lemon wood (if you can
> get it) is best because of it's natural lubricity.
>
> Newton
>
> http://www.onestipiano.com/pages/bhrs.html
>
>
> Isaac OLEG wrote:
> >
> > Hello ,
> >
> > I have this tool and have used it twice.
> >
> > The accuracy is not as good as it seems, and the guides are not the
> > good size for Yamaha grand keyboards (too thick )
> >
> > The maple dowels are very expensive, and cheap quality, too soft wood,
> > the hole enlarges easily.
> >
> > It may be possible to make better inserts ourselves, but I was a
> > little disappointed by this tool and come back to more traditional
> > method (wood inserts or shims) .
> >
> > I am not sure that sizing the hole with a tool can last long enough,
> > may be if it is reinforced with some glue too ?
> >
> > Using something hard as cyanoacrylate in the wood may cause clicks,
> > life is difficult sometime !
> >
> > Isaac OLEG
> >
> > > -----Message d'origine-----
> > > De : owner-pianotech@ptg.org
> > > [mailto:owner-pianotech@ptg.org]De la part
> > > de Scott Jackson
> > > Envoyé : jeudi 5 septembre 2002 06:43
> > > À : PianoTech mailing list
> > > Objet : Re: pulley keys
> > >
> > >
> > > Keith,
> > > I've just repaired a lot of keys by completely drilling out the old
> > > balance hole area with a circle cutter, and installing
> > > maple plugs on
> > > the underside. This takes some time to do, and it is tricky
> > > to ensure
> > > that the new hole is centred so that all the keys remain
> > > aligned front
> > > to back. You can see the tools for this sort of system at either of
> > > the
> > > addresses below:
> > >
> > > http://www.oliag.ch/SpecialsTools/specialtools2.html
> > >
> > > http://www.onestipiano.com/pages/bhrs.html
> > >
> > > You did say you were in a hurry, so try the simplest ideas first. If
> > > they work, great, but if some keys are too badly damaged,
> > > you may have
> > > to try this.
> > >
> > > Scott Jackson
> > > Jurjens Pianos
> > > Wollongong Australia
> > >
> > >
> > > ----- Original Message -----
> > > From: "Keith Roberts" <kpiano@goldrush.com>
> > > To: <pianotech@ptg.org>
> > > Sent: Thursday, 5 September 2002 6:08
> > > Subject: pulley keys
> > >
> > >
> > > I'm trying to get an upright ready in a hurry for a cheap temporary
> > > rental. The balance rail holes are ugly. Lots of missing wood. Some
> > > keys are really loose. Center punching around the hole? What size,
> > > shape tip? How close to the hole? How deep? Then glue size?
> > > I heard also of making a kerf cut and installing piece of veneer.
> > > Front and back? I think I could make a cut with my drywall
> > > knife that
> > > would be wide enough for the veneer edging I have. Would I then just
> > > size the hole or drill it out?
> > > Thanks
> > > Keith R
> > >
> > >
> > >
> > >
>
>