Double drilling - was Tuning pin choice

[Farrell]

Thanks a bunch Roger. I have heard stories about the need to install pins within x minutes or the torque will be way off, etc. But then, that is likely from someone that just bought a block from Quebec in the summer where the block was stored outside and drilled it in Death Valley.

Terry Farrell
  
----- Original Message ----- 
From: "Roger Jolly" <roger.j@sasktel.net>
To: "Pianotech" <pianotech@ptg.org>
Sent: Wednesday, February 26, 2003 11:53 PM
Subject: Re: Double drilling - was Tuning pin choice


> 
> Hi Terry,
>                 Torque tends to be very even at about 110inch/lbs, as far 
> as you can tell with the primitive torque wrenches.  I have always gone 
> with 2/0 blued pins.  I may have done one in nickle but am not sure.  Just 
> finished an open face block and it is nice.
> Time elapse varies from 3 or 4 days, to 3 weeks. depending weather the case 
> is being refinished.
> Have not noticed a big difference in torque.
> I'm happy with the results using 2/0 pins. so I doubt that I will change.
> The times I have measured torque, has been after I have chipped and tuned 
> several times.
> 
> Regards roger
> 
> 
> 
> At 09:52 PM 2/26/2003 -0500, you wrote:
> >Hello Roger! What kind of torque to you get with your methodology? Do you 
> >ever use 1/0 pins on the bolduc blocks on pianos with a full plate web and 
> >no tuning pin bushings - as with Steinway and Baldwin? How much time 
> >passes between drilling and installing pins? Have you noticed any 
> >significant fit/torque difference when time between drilling and pin 
> >installation is increased or decreased? Thanks.
> >
> >Terry Farrell
> >
> >----- Original Message -----
> >From: "Roger Jolly" <roger.j@sasktel.net>
> >To: "Mike and Jane Spalding" <mjbkspal@execpc.com>; "Pianotech" 
> ><pianotech@ptg.org>
> >Sent: Wednesday, February 26, 2003 8:59 PM
> >Subject: Re: Double drilling - was Tuning pin choice
> >
> >
> > > Hi Mike,
> > >               First pass, I'm .020" under size, then just use the regular
> > > drill bit that is .020" under sized to the pin. I use Bolduc blocks.   I
> > > drill my blocks out of the piano.
> > > Regards Roger
> > >
> > >
> > > At 10:49 AM 2/26/2003 -0600, you wrote:
> > > >Ron, or maybe Roger??
> > > >
> > > >One of you posted a year or more ago about how you take the edge off of
> > > >the second "reaming" bit to make it follow the first hole.  I was unable
> > > >to follow your description of which edge you touch up.  Would you mind
> > > >repeating and clarifying, for those of us who didn't get it the first
> > > >time?  Also, is the second drilling done in the same drill press setup as
> > > >the first?
> > > >
> > > >thanks much
> > > >
> > > >Mike Spalding RPT
> > >
> > >
> > > _______________________________________________
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> >_______________________________________________
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> 
> 
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