We made
one perfect dado with our new jig. Was it luck that we got a perfect dado the first time?
I don't think so, but there is a way to find out.
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I have other
pieces of wood that are all different thicknesses. I will use the jig to set the dado
stack — and then make the cut. Then, the picture should show the results.
I have measured each piece but will not use that measurement for setting the
dado.
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The
first one is this piece of walnut that is that is about 3/4" or . 732 thick. As I
type these values, it brings out the importance of this dado set and its ability to cover
such a range of thicknesses and still cut the perfect bottom.
I start by placing both the inner and outer blades on my jig.
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I have
added several of the chippers to the stack and am close, but it is time for my finger tips
to "feel the difference." Right now, I can't tell you how many or which
chippers are on the stack — it really doesn't matter.
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I am
running the sample board. The groove to the far left as we are looking at it is the
perfect dado we did last week. The two at the right are the test dados from last week.
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Too
tight!!! Damn. I thought I was close. In fact, I was very close, but over by the
amount of those spacers. I will add them to the stack and make an extra run.
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The good
part is that I only have to remove the outer blade and can then add the spacers.
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And make
another cut.
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The dado
with the spacers, my second try, fits perfectly.
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For our
next thickness, it took two tries again. Each time it was a matter of having the groove
very slightly tight. While it easy to add the spacers, I think we will start adding the
spacers each time.
I should note that while we are making two tries for both of these tests, all
of the dados are way closer than our dadoes were before and the dados are baby
butt smooth — a basic "bbs."
Bottom line: in my thinking, we have the perfect jig for the perfect dado
set.
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