Ebony bridge caps

[David Love]

A power notcher using a router bit.  

 

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 Michael Spreeman
Sent: Sunday, June 03, 2007 1:38 PM
To: pianotech at ptg.org
Subject: Ebony bridge caps

 

Hi all,
 
I want to experiment with using ebony bridge caps in the top section of the
treble in my pianos. 
 
I have taken sample pieces of ebony and attempted to notch them by hand with
disastrous results. Ebony is so hard and brittle that it wants to chip and
split, even with the sharpest of chisels and shallow cuts.  I've approached
it from the top down and by coming in from the side.  The side cutting
method works well with Hornbeam, but doesn't seem to do well with the harder
ebony. Do any of you master woodworkers have any suggestions (short of not
using ebony 8-)  )?  
 
I know that most of the companies who are using ebony caps have machine
notching devices.  I prefer doing things by hand, especially bridge work,
because I'm concerned about controlling the accuracy of a router type
notching machine.  But if anyone has successfully made their own "notching
machine" and would be willing to share their experiences and/or has plans
for such a devise, I would welcome any comments or advice.  
 
Thanks in advance,
Michael



                Michael C. Spreeman 
http://www.spreemanpianoinnovations.com
<http://www.spreemanpianoinnovations.com/> 

 

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