Tuning pin Drilling Angle

[Farrell]

I do too. I'm gonna do it that way next time. Any error will go toward the 1/2 to 1 degree angle Del mentioned to force the coil to compact - but not so much as to encourage the wire or overlap the coil.

Terry Farrell
  
----- Original Message ----- 
From: "John Ross" <jrpiano@win.eastlink.ca>
To: <pianotech@ptg.org>
Sent: Sunday, March 10, 2002 5:19 PM
Subject: Re: Tuning pin Drilling Angle


> I like Newton's idea of using a square, with a 1/8" bock on the end, to get
> an idea of what is right, for the particular piano.
> Regards,
> John M. Ross
> Windsor, Nova Scotia.
> jrpiano@win.eastlink.ca
> ----- Original Message -----
> From: "Joseph Garrett" <joegarrett@earthlink.net>
> To: <pianotech@ptg.org>
> Sent: Sunday, March 10, 2002 5:44 PM
> Subject: Tuning pin Drilling Angle
> 
> 
> > Del,
> > YOU taught me 5 degrees, remember? Seriously tho, it depends on the
> > configuration of the bearing surfaces between the tuning pin and the
> > aggraffe/capo bar/"v" bar/etc.
> > In the typical grand there is a low bearing surface and then the aggraffe
> at
> > a lower plane. In many grands there is a thicker bearing surface that
> > dictates that the tuning pin angle needs to be greater in order for the
> > string to "slightly" bear up against the coil.
> > I should not have given the 5 degrees suggestion without clarifying the
> > situation. For most of us, (rebuilders), it becomes intuitive as to what
> > angle to drill at, regarding the configuration of the web/bearing
> > surface(s), etc.
> > In some of the really olde, open-faced pin blocks, the pinblock itself is
> at
> > a pretty steep angle. In that case I choose to drill whereas the tuning
> pin
> > is straight up and down, even tho the actual angle of tuning pin/pinblock
> > surface may be as much as 10 degrees!
> > I think the rule should be: examine the situation and drill accordingly.
> > Best Regards,
> > Joe Garrett, RPT, (Oregon)
> >
> >
> 
>