Ats Project Polonum Schematic packs a complete nuclear power setup into a single chunk. It includes a sodium-cooled fission reactor, a turbine, a boiler, and machines to make fissile fuel and polonium. You get a fully planned factory layout that fits perfectly inside a 16 by 16 block area. This build saves you time by organizing all the complex pipes and machines for you.

Ats Project Polonum Schematic Thumbnail

3D Preview:

Features:

  • Fits a whole fission reactor, boiler, turbine, and fuel maker into one single chunk.
  • Makes polonium pellets automatically when you place the build outside under the sun.
  • Uses bins on the ground floor to collect your uranium, fluorite, and gunpowder.
  • Produces sodium as a byproduct and pumps it straight back into the reactor for cooling.
  • Requires you to place the turbine blades by hand because the schematic cannon skips them.
  • Includes an extra utility base design to hold up to four of these reactors.

Schematic Specs:

Minecraft1.20.x
Dimensions16×57×16
Total Blocks5,988
Obsidian 971Smooth Stone 531Structural Glass 476Industrial Iron Block 436White Concrete 422

How to Use:

  1. Build the schematic outside so the polonium machines get direct sunlight.
  2. Place the structure without connecting any power first to keep the pipes clean.
  3. Add turbine blades manually inside the turbine.
  4. Put about 3,000 uranium ingots, 10,000 fluorite, and 30,000 gunpowder into the ground floor bins.
  5. Put fluorite dust into the bin at the very top of the build.
  6. Connect power and wait for the reactor and pipes to fill with fuel and sodium.
  7. Set the burning limit to 10mb/t, wait for the boiler to fill with water, then break the sodium supply tube.
  8. Repeat the process at 20mb/t and 40mb/t, cutting the sodium supply each time it fills up.

Note:

  • schematicannon doesnt place turbine blades inside the turbine, you will have to do it yourslef

🔧 Setup Guide:

  • If you want you can build just the CORE and it will function the same, but if you want to have 4 reactors in an artstyle matching building that can also function as a base with its own train station and storage start with building BASE. To do so prepare 4×4 chunk area, dig 34×34 blocks area 19 blocks deep in the very middle, make it so area of 2×2 chunks are surrounded by additional block by all sides, those 2×2 chunks has to have one block wide space for walls around them. Walls in ground and by the reactors are made with obsidian to avoid destroying other reactors if one melts down. Look at picture number 1.

⚠ Known Issues:

  • Sometimes reactor, turbine or boiler doesnt assemble, you have to break and place back a casing from the edge.

Screenshots:

Technical diagram showing chunk borders for building a large underground reactor base
Technical diagram showing chunk borders for building a large underground reactor base
Technical guide showing the complex setup for an Ats Project Polonum reactor
Technical guide showing the complex setup for an Ats Project Polonum reactor
Close up views of machine side configurations with colored input and output arrows
Close up views of machine side configurations with colored input and output arrows

Requirements:

Create Mod RequiredMekanism Generators Mod Required
mekanismgenerators Required
copycats Required
createdeco Required

Ats Project Polonum Schematic Download Links

For Minecraft 1.20.x

Create 6.0.10 31 KB Aug 1, 2026

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