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David
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Discussion Starter #1
This is a practice bridge out of Walnut for the guitar I'm building. The actual bridge will be East Indian Rosewood but since I have a lot more Walnut than Rosewood I wanted to make certain my design would work so that lead to a practice bridge.

David

Here's the finished bridge -
007 - Completed pracitce bridge.JPG

And a video of the entire process -
 

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It's looking great, David. I guess nearly anything can be done on a CNC. I'm looking forward to the next video of you making the insert. Will you be using bone, Micarta, Tusq, or something similar? I used Tusq once, and was pretty happy with it.
 

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David
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Discussion Starter #4
It's looking great, David. I guess nearly anything can be done on a CNC. I'm looking forward to the next video of you making the insert. Will you be using bone, Micarta, Tusq, or something similar? I used Tusq once, and was pretty happy with it.
Thanks, Jim! The saddles will be bone from Bob Colosi and I'll make them by hand. I've made a handful of saddles and nuts out of bone but have yet to use Tusq. I might try it soon, though.

Beautiful work! How did you figure out the intonation for the dual saddle pockets? What will the saddle material be?
Thanks, Bruce! Intonation and compensation isn't really any different from a single-piece saddle. It's just that the 'B' string can now be fully compensated. Measurement is generally from the nut to the 1st string (high 'E') plus a small amount to allow for string stretch during fretting. My Takamine has a two-piece saddle just like this and I have a guitar that I put a new top and bridge on in 1985 and it also has a two-piece saddle. I can use both of those for comparison and measurements to verify placement before gluing this one down.
 

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David
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Discussion Starter #9
Ok, I made another bridge, smaller this time. The first one is 32 grams and this one is 20 grams. This is the size I intended it to be but the first one was more about testing my CNC programs. This one is more about getting the size correct. Yes, I could have done this all in the same bridge but I like making them and I have a ton of small Walnut pieces on which to practice.

Here's the one I made this afternoon, on top of the first one (the leading edge is lined up and they are the same length - camera parallax factor comes into play) -
012 - Smaller bridge on top of 1st bridge.JPG

And here they are as a comparison; you can see how much smaller the one made today is -
013 - Smaller, larger bridges.JPG

David
 

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Looks good. I enjoyed your video. While I was watching it, my CNC is merrily cutting away out in the shop. :surprise::grin:
 
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