those pesky nose bolts, now locate guide rail.

[David Love]

Use screws that don't require pre drilling and use double stick tape to hold
the guide rail in place while you set the screws.  Of course, locate the
guide rail after you've strung the piano so you can use the strings as a
reference.  I plug the old holes in the belly rail so I don't have a problem
finding the old holes which may not be in the right place.  

I don't make new guide rails as SOP after recapping or installing a new
board but I often have to relocate some of the holes, usually in the low
tenor.  Recently I recapped a MH BB where this was necessary.  I just
plugged the holes that needed relocating, installed the guide rail, marked
and redrilled.  It was much faster than making a new one.  

David Love
davidlovepianos at comcast.net 
www.davidlovepianos.com

-----Original Message-----
From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
Of A440A at aol.com
Sent: Friday, September 05, 2008 5:05 AM
To: pianotech at ptg.org
Subject: Re: those pesky nose bolts, now locate guide rail.


<< >how about some ideas on locating the damper guide rail. My last job I 
pluged the holes, made a new rail and started over. I've frustrated myself
trying 
to exactly locate the little number 8 screws, or 

whatever they are, drilling precisely in the right spot through the new 

soundboard, to catch the old hole. >>



 
Greetings, 
   Several things come to mind.  Plug the old holes before the new board is 
glued in.  Or, plug the screw holes in the guide rail and locate new ones,
or, 
if the spacing is really changed, just make a new one.  
   I most always keep the old guide rails, with new boards, but at times, I 
wonder if it is worth it.  Since the head spacing on many of the damperheads

has to be changed, ( that's two bends and alignment, each)  to accomodate
new 
bridge notching and stringing to the old guide holes, the time it takes to
fit 
the damper anew may be saved if I had a guide rail with every hole aligned
to 
the strings. It would be nice to do without plate interferences, and 
proximal/distal alignment could be changed, if necessary.  
    I would still have to space some of the heads, but perhaps avoid the 
numerous, small, time-sucks that plague damper jobs.  Anybody make new
guides as 
SOP? 
 

Ed Foote RPT 
http://www.uk-piano.org/edfoote/index.html
www.uk-piano.org/edfoote/well_tempered_piano.html
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