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Step 1: Bill of Materials
PVC pipe, 1 1/4" x 60cm in length
1 1/4" PVC pipe caps
1 1/4" test plugs
6 D-cell batteries
wire (~20 gauge)
battery contacts (negative ends I use for both, the spring I find has a better contact)
urethane sealant or another epoxy that will stick to pvc + metal + wood..
scroll saw or router
2x4 wood block, 1.5"
Step 2: Cut the pvc pipe
Step 3: Make a hole for the power and ground wires
-Drill a hole in this using a drill press. The hole should be just bigger than the thickness of your wire so that the wire can come through.
-You can take the caps off (if you need assistance pulling it off, slide a battery in the tube and bounce it up and down so it lands on the inside of the cap a few times. This should pop the cap off).
Step 4: Wire the tubes in series
-Hold the test plug next to the pvc tube as if it were fully in place. Mark a dot at the seam on the INSIDE of the pipes (ie the spots where they face each other). See the photo for reference.
-Drill a hole at each dot.