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Old 02-20-2015, 01:09 AM   #1 (permalink)
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Project rATS: A longterm solution to the parts problem

Hephaestus and I have been talking about the ATS markers and what our options look like for longterm sustainability. I've got a good understanding of how these markers work and how to troubleshoot them. He has an amazing ability to design and build parts for the ATS line. Both of us, however, realized that our aging fleet of markers will eventually go the way of the Dodo. Even if Gumby's stock becomes available, they will eventually run out; we'll be in the same boat, just a few years down the road. So we decided to do something ambitious (maybe overly so).

The rATS (revived ATS) project is our solution. We plan to model every piece of the ATS. The parts that cannot be easily printed (like springs and o-rings) we'll try to find in the wild. The goal here is to allow anyone, anywhere in the world, to obtain the parts they need at any point into the future. 3D printing has some major advantages: it is on-demand and accessible everywhere, it doesn't require any production runs or warehousing, and it allows us to utilize manufacturing advances/materials that didn't exist in 1994. It's got some major downfalls too; most notably in per-unit price.

Our goal isn't to make money at this; just to keep these markers in players' hands for as long as possible. Check back at this thread for new part models as they become available. Also be on the lookout for links to videos on how to care-for, diagnose, and repair ATS markers. I'll post the links in this thread as well. If there is a specific part or repair that you need, please shoot either of us a message, or post it in this thread, and we will prioritize that for you.

All of the models are offered as open-source products. Anyone is welcome to use them for personal use, we just ask that you not try to start a new for-profit company with the work posted here Also, if anyone is interested in contributing to the project, we'll gladly take all the help we can get.

Models so far

Use a flexible material (Ninjaflex or similar) for these:
Bolt Seal.STL
Sleeve Pad.STL

Use Nylon or other hard plastic for these:
Impulse Seal.STL
Velocity Adjuster Cap.STL
Pull.stl (May work with plastic if you also use a plastic cog, otherwise, it will likely require steel)
LeftShell.stl (This seems to do fine in PLA, but players in hotter climates may do better with PETG or ABS)
AT10 Cap.stl AT10 style barrel nut for converting other models to the AT10
ATS Feed Port Cover.stl AT4/16/10 feed port cover for deleting the foreloader feed port on AT85/TS-1 markers
Tactical Rail Full Height.stl Full stock height tactical rail without mock charging handle.
NATO Rail Low.stl Tactical rail from above, but 5mm lower. This should line up with handguard rail systems.

Use steel for these:
Sear.STL (Note: This model is still being confirmed, but appears to be correct)

Development Strand:
These models have not been extensively tested, but probably work (maybe).
sizer.stl This is the precursor to a fresh supply of unisizers. This one is more like the original sizer ring set, as it lacks any sort of soft lands inside. However, if you need a sizer and don't otherwise have one this is a solid option. It should slip (snugly) over the minor threads on your barrel and get the job done. I have tested this one and it does effectively stabilize the bolt sleeve, as the sizer is required to do, and it let the marker fire/cycle normally. It *should* work for you if you need a sizer.
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rATS Project: We have the technology, we can rebuild it. Shoot me a message if you need spare parts for your ATS marker.

My feedback thread

Last edited by lordkyleofearth; 01-04-2017 at 02:22 PM.
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Old 02-20-2015, 01:10 AM   #2 (permalink)
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Parts Interchange
I have confirmed that PMI Trracer cup seals do interchange with ATS seals. If you need a replacement, Bacci's site is a good place to start.
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rATS Project: We have the technology, we can rebuild it. Shoot me a message if you need spare parts for your ATS marker.

My feedback thread

Last edited by lordkyleofearth; 09-13-2015 at 01:45 AM.
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Old 02-20-2015, 01:10 AM   #3 (permalink)
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rATS Project: We have the technology, we can rebuild it. Shoot me a message if you need spare parts for your ATS marker.

My feedback thread
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Old 02-20-2015, 01:44 AM   #4 (permalink)
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The ats community is the best.
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Old 02-20-2015, 01:59 AM   #5 (permalink)
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Here's a little preview of what I 've been working on!

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Old 02-20-2015, 03:43 AM   #6 (permalink)
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This could almost lead to RATS becoming a full functioning gun with all custom parts correct?

May I suggest: Mags. That seems to be a huge thing and they cant be to horrid to print. (of course the mechanism is a different story
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Old 02-20-2015, 11:52 AM   #7 (permalink)
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That's the idea. Printing the rear housing unit and throwing all the guts inside for testing will prove the capability. Then we start replacing piece by piece with self-fabricated parts; eventually leading to a complete marker.

As for mags, they're probably next on the "big list", items that I believe are more difficult to digitize yet constitute the core functionality. Once I get a rear end functional, the logical next step would be to feed the system.

Anybody handy with a lathe in here? I'll probably pick up a jeweler's lathe anyway, but it would speed up the process if we could get piston/lpr valves and rods turned.
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Old 02-20-2015, 12:05 PM   #8 (permalink)
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I'm thinking a redesign of the cycle spool into something that you can pick up off the shelves of say mcmastercarr would be awesome.

Currently, there are some funky sized O-rings that seem neither Metric, nor SAE.
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Old 02-20-2015, 01:21 PM   #9 (permalink)
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Once everything is modeled via stock ATS, then everybody will be free to attempt any redesigns and share the progress with others. I'm no airsmith, but I know mcb is full of 'em, so hopefully we will find ways to replace functions of the ATS with readily available parts.
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Old 02-20-2015, 03:27 PM   #10 (permalink)
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This makes me incredibly happy. Time to start modeling up custom upper receivers.
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