Down bearing gauge

[Isaac OLEG]

I have a support for a dial gauge (APSCO ?), did not find the gauge to
be easy to use, mostly because the gauge tip is rounded, it may be
necessary to ground it (make it flat) the readings are not very even
from note to note, and I don't have the official method to translate
the readings in pressure (if possible)

Nowadays for bass strings , some adjustable foot may be necessary.

Is not it more accurate to build little 3 feet gauges that apply well
on the bridge and the string's rest ? (3 screws on a wooden stick are
doing the job fine enough I've find)


Isaac OLEG

Entretien et reparation de pianos.

PianoTech
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FRANCE
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> -----Message d'origine-----
> De : pianotech-bounces@ptg.org
> [mailto:pianotech-bounces@ptg.org]De la
> part de Ron Nossaman
> Envoye : samedi 12 juillet 2003 00:17
> A : davidlovepianos@earthlink.net; Pianotech
> Objet : Re: Downbearing gauge
>
>
>
> > > Not possible, since the degrees figured from this sort
> of gage depends on
> > > the pin row spacing on the bridge...
> >
> >That makes sense, of course.  Didn't think about the
> effect of varied
> >spacing.
>
> There is one thing. The three legged gage type with a solid
> pin at one end,
> one in the middle, and the dial at the other end can get
> pretty close to
> giving you meaningful measurements with the two legs on the
> speaking or
> rear duplex and the dial plunger on the bridge segment.
> Wrapped strings are
> a problem with these though.
>
> Bubble is better.
>
> Ron N
>
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