False Beats in high treble after stringing

[gordon stelter]

Dave-- a corner of a paper towell gently touched
against newly spilled ca glue will wick it up ( and
sizzle and smoke, too! ). Probably a good idea to wear
a masks, goggles and gloves. Might not be good for
you!
     Thump

--- Dave Smith <dsmith941@comcast.net> wrote:
> Thanks to all who answered my post!!  I followed
> through the troubleshooting process recommended by
> Keith, I think, and finally ended up tilting piano,
> loosening treble strings, and using the epoxy and
> soldering iron trick recommended by Ron and Joe G. 
> Interesting to watch the epoxy wick down into the
> tiny space around the pins.  I used West System
> epoxy and the ultra slow hardener I had left over
> from my wooden kayak project.  Thanks to Phil Bondi
> also for coming out and helping me decide what to
> do.  
> 
> It worked!!!   Eliminated about 95% of the false
> beats.  Treble sounds pure and good.
> 
> Also CA'd some loose tuning pins while it was
> tipped.  That also tightened most of them very
> effectively.  Kind of messy, though, as my CA bottle
> would drop a drop here and there where I didnt want
> it.  Never did quite get this technique perfected,
> but it did work well.  Results just dont look quite
> as neat as I would have liked.  I guess this is why
> they call this "learning the trade".
> 
> 
> Again, thanks and hope to meet some of you in
> Dallas.
> 
> Dave Smith
> SW FL
>   ----- Original Message ----- 
>   From: Dave Smith 
>   To: Pianotech 
>   Sent: Monday, June 09, 2003 9:09 PM
>   Subject: False Beats in high treble after
> stringing
> 
> 
>   Just finished stringing my Wing and Sons upright
> piano project and have quite a few false beats in
> the last two octaves of treble in single strings. 
> My first restringing project.  Phil Bondi suggested
> that I ask on-list for advice.  The treble bridge
> seemed (to me anyway) to be in pretty good shape. 
> About 1/3 of the bridge pins were loose and I had
> removed and replaced after putting epoxy on the ends
> of the pins.  Also a little epoxy whereever there
> appeared to be any hints of small cracks near the
> pins.    Great results, except in certain strings of
> the high treble. Other than there, the piano sounds
> great.   I don't see anything different about these
> strings or the bridge from other strings, but I
> think I need to fix if possible.  For example, B6
> center string has a beat of about 2 bps.  Not as
> loud as a real beat between two strings, but still
> THERE.   Some higher strings beat faster.
> 
>   I have experimented with seating the strings with
> my copper rod, at each bridge pin.  Also tried
> tapping each bridge pin in a small bit.  Doesnt seem
> to help, except in certain strings.  I did lightly
> sand and buff the v-bar before restringing, and
> think I have the right adjustment on the pressure
> bar.  I've been reading the archives and the PTG CD
> articles re false beats, but the number of "hits"
> for this search term is overwhelming.
> 
>   Can anyone offer me advice on what to do next to
> reduce the false beats, short of unstringing and
> recapping bridge, etc?  I would appreciate your
> help!
> 
>   Frustrated in Florida,
> 
>   Dave Smith
>   SW FL
> 


__________________________________
Do you Yahoo!?
SBC Yahoo! DSL - Now only $29.95 per month!
http://sbc.yahoo.com