Tech tip,B/R holes

[Avery Todd]

Oops!

Avery

At 10:28 PM 02/25/02 -0500, you wrote:
>Hmmm. Avery, I think you had better either put a pot of coffee on or just 
>call it a day and get some sleep!
>
>;-)
>
>Terry Farrell
>
>----- Original Message -----
>From: "Avery Todd" <avery@ev1.net>
>To: <pianotech@ptg.org>
>Sent: Monday, February 25, 2002 9:17 PM
>Subject: Re: Tech tip,B/R holes
>
>
> > Terry,
> >
> > I think he's referring to the balance rail holes. Not the mortises! Right?
> >
> > Avery
> >
> > At 08:10 AM 02/25/02 -0500, you wrote:
> > >Hi Roger. I've been using the Spurlock system for my key bushings. He has
> > >a set of mortice sizing cauls that you insert into the mortices after
> > >removing bushings and let the wood dry over night. These seem to work 
> very
> > >well. Are you aware of these? Are you suggesting that your method has
> > >advantages over the mortice sizing cauls - or just better than not
> > >addressing it?
> > >
> > >How does the method you describe size the mortice? I'm trying to envision
> > >it and all I can see happening is that the bushing is getting ironed.
> > >
> > >****After finishing his first cup of coffee - Terry re-evaluates his
> > >response to Roger's post.****
> > >
> > >Sorry Roger. Itis very early in the morning. I am leaving the above just
> > >as an example of how easy it is to misread a post. After re-reading your
> > >post for the fifth time, I see you are sizing balance rail holes - not
> > >mortices! OK. Now I get it. Geeeesh! Let me grab that second cup of 
> coffee.....
> > >
> > >Now for a pertinent question/response to your post: When you run the
> > >drill-mounted balance rail pin throught the mortice and balance rail hole
> > >from the top, do you make an effort to sweep the pin through the
> > >front-to-back extents of the mortice so that the balance rail hole gets
> > >its little needed angles to accomodate this movement when the key is
> > >installed in keyframe? Or will that make it too loose - maybe induce
> > >pulley key? Or do you just go through the middle of the mortice and pump
> > >up and down twice (that's what I gather from you description - but it is
> > >early of course - or is this post about how to level a 
> keyframe  :-)  ???)?
> > >
> > >Thanks for the tip.
> > >
> > >Terry Farrell
> > >
> > >----- Original Message -----
> > >From: "jolly roger" <baldyam@sk.sympatico.ca>
> > >To: <"caut@ptg.org"@sktnsk01d050501116.sk.sympatico.ca>
> > >Cc: <pianotech@ptg.org>
> > >Sent: Monday, February 25, 2002 12:15 AM
> > >Subject: Tech tip,B/R holes
> > >
> > >
> > > > Greetings All.
> > > >                         A tip that may help those that rebush keys
> > > >
> > > > After steaming out old bushings, the balance rail hole swells to 
> the point
> > > > that they are far too tight.  The following method, I have found to
> > > > perfectly size the balance rail hole.
> > > >
> > > > Rebush keys and leave the cauls in place for 24hrs to size the bushing
> > > cloth.
> > > >
> > > > Using a new polished balance rail pin that has been polished.  Use 
> the pin
> > > > in a battery operated drill,  pump twice through the mortice and 
> balance
> > > > rail hole from the top side, (this ensures the hole is parallel 
> with the
> > > > bushing cloth.)  just a quick burst of the switch, balance rail hole is
> > > > perfectly sized.  The whole set can be done to perfection in a few 
> minutes.
> > > >  Takes the guess work out of where the friction problem is 
> happening, the
> > > > hole or the bushing cloth.
> > > >
> > > > Hope this will help  some.
> > > >
> > > > regards Roger
> > > >
> > > > regards Roger
> > > >
> >