Tech tip,B/R holes

[Farrell]

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
> > >
>