Rebuild estimates/bridge pins

[David Love]

Assume you will pull the pins, resurface and renotch the bridge and
calculate the estimate accordingly.  Decisions on whether or not to pull
the pins should be based on whether the strings cuts have moved the
contact point on the top of the bridge beyond the line of the center of
the bridge pin and whether or not the bridge pins themselves are notched
where the strings have cut into them.  There is rarely a reason on an
older piano not to do this.  A simple loose pin can be addressed in
other ways like with a bit of CA glue. 

While a great flange fit may not be necessary on a piano with plate
bushings, I always do it anyway.  It's not that much more work.  

David Love
davidlovepianos@comcast.net 

-----Original Message-----
From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On
Behalf Of Bob Hull
Sent: Thursday, December 09, 2004 9:52 PM
To: pianotech@ptg.org
Subject: Rebuild estimates/bridge pins

  A Rebuild Pricing Question:
1. When you are working on an estimate for a
rebuilding job, how do you decide before being able to
test bridge pins for tightness whether or not you will
be repinning the bridge?  

The labor of repinning certainly adds to the cost of
the work and yet I can't see putting pliers on a few
pins (while they haven't seen your estimate and
decided to accept) and trying to see if they can be
pulled out.


Do you just figure that in anyway or give them two
prices based on some contingencies?  

2. What are Kawai pinblocks like to duplicate? Any
labor increasing characteristics?  I have read that a
great pinblock to flange fit is not essential since
the bushings and plate bear the pull of the strings.  

Thanks!

Bob Hull





		
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