Zounds

[Don Price]

Newton -  Your statement to "twist the string in the direction the wire is
pointing" really clarifies what used to be, to me, an unclear instruction.
Thanks.  I might add that the
end of the wrap you should be looking at is at the hitch pin end, since the
end of the
wrap at the tuning pin end points in the opposite direction.   I don't know
why I would be looking at the tuning pin end of the wrap, but......

Donald C. Price, RPT
816 Vickie
Ft. Morgan  CO  80701
dcp2@rmi.net
970-867-2561
-----Original Message-----
From: Newton Hunt <nhunt@jagat.com>
To: pianotech@ptg.org <pianotech@ptg.org>
Date: Sunday, April 23, 2000 7:55 AM
Subject: Re: Zounds


Martin Dubow wrote:
>
> When you say is the string twisted in the wrong direction, which direction
> is the right direction?
>
> How do I know if the side bearing is sufficient?
>
> Everything is up to tension.
>
> Thanks.

Look at the end of the winding and twist the string in the
direction the wire is pointing.  Usually one 360 degree turn is
sufficient.  Longer pianos a bit more.



Place a screw driver against the core between the bridge pins and
push in the direction if comes off the speaking bridge pin.  If the
sound changes when you push it is likely that is the source.

Other sources,
loose bridge pins
Bad agraffes
poor scaling
insufficient string deflection angle between agraffe and front
bearing
too high coils causing above (bottom coil 1/8" above plate)
high hitch pins below bass strings
insufficient bearing
too low crown
loops not tapped down to plate
loose plate washers under bolts (if it has them)
other loose screws (damper system, hinge pins, lyre screws, etc.)
loose copper winding, usually at the ends.
something vibrating sympathetically
Screeching gremlins

This is not likely complete but I think you get the idea that yo
have to LOOK _everwhere_.

Newton