| First cuts (to be used later) preparatory to cutting neck bin plates These pieces were actually carefully figured and cut first from the end and side of a 2'x4' sheet of 1/4" plywood before cutting the remainder into two squares. These will be used later to build the gun box that holds the ball joints for the arm and gun. |
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| plywood screwed together preparatory to cutting neck bin plates There are actually 3 pieces here: 2 are 1/4" plywood and the third is a circle of 11/32 ply (cut from the center of the shoulder bottom plate). I need 3 identical radius circles |
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| Another view of the pieces screwed together prior to sawing |
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| First cut on the plates |
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| another shot They are not (alas) perfectly round, and the edges were not quite square on the sides (the jigsaw tilted). I went back and cleaned them up a bit and drilled some pilot holes (including the center pivot hole) before unscrewing the stack. I also marked a one-way pattern across the edges of all 3 so I could orient them properly to each other down the road. |
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| Finished plates from front to back: Bottom of neck bin (11/32), top of neck bin (1/4"), support plate for dome and eyestalk (1/4") |
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| Bottom plate for neck bin |
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| Top plate for neck bin the flange into the center is for the anchor pivot for the dome. |
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| Support plate for dome and eyestalk Test fit of this into the dome revealed it's going to need some tweaking before I mount it into the dome |
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| Test assembly of compressible neck bin The neck bin is the inner frame that supports the mesh and rings in the Dalek "neck". There are 6" pieces of 1/8P lamp pipe coming up from the bottom plate, and 6" pieces of 1/4-20 threaded rod coming down from the top plate, slid into the ID of the lamp pipe. A stack of springs holds them apart. |
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| Neck bin, uncompressed It's the correct height, about 10.5" |
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| Neck bin, compressed Note it squeezes down to 6" or less. This worked as a proof of concept, but I need to replace the threaded rod with smooth 1/4 rod threaded only at the top end, so that it will slide more smoothly inside the lamp pipe. |
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- Mood:
accomplished
Yesterday's work
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