| The fins slots for the sustainer section of the Nike were cut using a "Coker Jig". Check out John Coker's page describing perfect fin slots for a description on building the jig. | |
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Here's a view of
the jig and the router attached to the sliding top. The tube in the jig is
a PML 11.41" tube that has been cut to a length of 41.5". See
the page on tube cutting for
details.
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Here's a underside of the
sliding top of the jig. The top is centered along the side by the use of
some small angle brackets (four total).
Note: The four pine blocks are needed due to my not understanding that 12" board is not 12" wide but only 11.25" |
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Prior to actually cutting the slot I placed a cinder block in both ends of the tube. This weight hold the tube stationary while cutting. The pencil mark is the end of the cut. |
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Here's a picture of the finished slot. Straight down the length of the tube. This particular cut is about 34 long. Now I just rotate the tube 90 degrees and make the other slots. |
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