Hi Joe,
As with most projects on the RPF, this is a temporary one. My plan for the moment is to do one run. I have so many subjects on my want-to-build list, and as each of these is build in my spare time, i better get crackin' at it. I passed the 40year barrier yesterday, i feel it's time to put the dots on the i. :darnkids
I might offer this in the future, but i simply don't know about that yet.
Now for some more pics.
For machining the slots in the barrel, i came up with several solutions in the past few years. Each trying to be as simple as possible. I have a lathe, i have a cnc, but i don't have both in one. So i came up with this setup. Machined renshape jig for placing the plastruct tubes. Parts. \/
Close up of end holders for the tube. Note the small holes. \/
Glued together. The piece on the right will stay loose, only fixed with double sided tape. \/
ABS tube in place. \/
Machine running for very first slot. Imagine the thrill of seeing this happen after so many years.

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First slot out. Machined it in 0.25mm steps, the pic shows result after only vacuumcleaning. \/
And here is one.

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Here are both that you get in the kit. \/
And finally couldn't resist taking a Mig engine. \/
Happy camper here. The ABS machines very nice, better than styrene or acrylic. I do have to say that the original ILM miniature's tubes are finished by hand, showing some 0.25mm differences in the length of each slot. I took a size in the middle, and went with that. Also note that the starboard barrel on the studio model has a small chamfer on the inside frontend, the port one doesn't. I choose to machine without this chamfer, to leave people the choice to build as the studio (add 1 chamfer themselves), or build idealised (both chamfered, or both barrels left untouched).
Okidoki. I'll continue machining the barrels till my stock runs out ( i have for 12 sets material), then i'll continue with the blocks that come with the barrels.
Cheers,
Wasili