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Rust core on.gif

What is the R-UST?

The R-UST Mark 7 is an advanced thermonuclear fusion reactor.

It requires a variety of parts and materials to setup, most of which are ordered from cargo only.

How does it work?

At the core of the R-UST is a huge solenoid called a tokamak, which produces a strong electro-magnetic field, this field holds plasma molecules in suspension, heating up the plasma and releasing it to produce extreme amounts of heat. Amongst the fusion events, there is also production of radiation, which can be used as an alternative source of radiation if used in conjunction with radiation collector arrays.

A variety of reagents are injected into the field by usage of a Rust injector.png fuel injector.

For fusion events to happen, the field needs sufficient amounts of energy, it gets charged via usage of Rust gyrotron.png gyrotrons


The R-UST is currently only mapped on Defficiency; on any other map the entire engine will have to be built and ordered from scratch.

Required materials and items

  • BookEngineering2.png Engineering experience. LOTS OF IT
  • Engineer Hardsuit.png Belt.png IGloves.png A full set of engineering gear.
  • Metal.png Glass.png Rods.png Cablecoil.png Various construction materials.
  • 24x Metal r.png Plasteel sheets.
  • 1x Compressed matter cartridge.png Supply of compressed matter cartridges.
  • 1x TeG.png Mark I Thermoelectric Generator.
  • 1x PipeDispenser.png Pipe dispenser OR Rpd.png RPD.
  • 4x Plasma canister.png Plasma canisters.

The following can be gotten from cargo or R&D:

  • 1x Rust injector.png R-UST fuel injector.
  • 1x Rust tokamak.png R-UST tokamak.
  • 4x Rust gyrotron.png R-UST gyrotrons, only one is needed but atleast 4 are recommended. (only cargo)
  • 1x Module card.png R-UST fuel compressor circuitry.
  • 1x Module card.png R-UST fuel port circuitry.

The following can ONLY be gotten from R&D:

  • 1x Circuitry.png R-UST core monitoring computer board.
  • 1x Circuitry.png R-UST core control computer board.
  • 1x Circuitry.png R-UST gyrotron control computer board.
  • 1x Circuitry.png R-UST fuel control computer board.
  • 1x Circuitry.png Atmospheric large tank control computer board.
  • 1x Circuitry.png Atmospheric Automations Console (AAC) board. (optional)

Rust tokamak.png R-UST Core construction

R-UST core built in a dissasembled singularity field, no reinforced floors for clarity of piping and wiring.

First you will have to setup the R-UST Core, the size of the core may vary, but it has to be a square with odd dimensions, maximum size required for the biggest field size is 7x7.

The core will need to meet the following criteria:

  • Be airtight.
  • Have atmospheric Uvent off.png vents and Injector off.png air injectors for input and output of Plasma canister.png plasma.
  • Be defined as an area with the Blueprint.png CE's blueprints.
  • Have a properly connected APC.png APC.
  • Have enough windows for the Rust gyrotron.png gyrotrons, 1 gyrotron needs 1 window to shoot into the core.
  • (OPTIONAL) Be made out of strong materials such as Metal r.png plasteel and Plasma r glass.png reinforced plasma glass
  • (OPTIONAL) Have a Gas Sensor.png gas sensor to monitor the core's atmosphere.
  • (OPTIONAL) Have an airlock to allow easy access to the core.
  • (OPTIONAL) The floor needs to be reinforced with Rods.png rods.

The Rust tokamak.png R-UST tokamak will need to be secured in the middle of the core, with a proper DIRECT power connection underneath the core, it needs to be bolted down and welded to the floor. (NOTE: the power cable will need to be placed, with a knot, under the core BEFORE the core is welded to the floor.)

Rust core control.gif Control room setup

Example control room built in the PA room.

Find a nice spot to place a lot of computers, and get all the boards listed in the required items section.

Once you built all the computers, do the following:

Multitool.png Core control and monitoring setup

Go to the Rust tokamak.png R-UST tokamak in the core and use your multitool on it, from the menu, give it a nice id of your choice and add the machine to the multitool's buffer.

Run back to the computers and link the machine to the PowerMonitor.gif core monitoring and the Rust core control.gif core control computer with the multitool.

GACComp.png Atmospheric tank control setup

Go back into the core and give the Uvent off.png vents, Injector off.png air injectors, and potentially Gas Sensor.png sensors a nice name and frequency.

Then link the above machinery to the GACComp.png tank control computer.

Make sure to keep all equipment off for the time being.

Rust gyrotron.png Gyrotron Setup

The interface of the control computer with 4 gyrotrons connected.

Find a nice, powered spot that shoots into the reactor core, through a window, it doesn't have to be in line with the Rust tokamak.png tokamak, as long as it can hit the 7x7 (max, dependant on core size) area around the tokamak.

Secure and weld each Rust gyrotron.png in the direction of the core, then use your multitool to link it to the Gyrotron control.png gyrotron control computer.

If any gyrotrons are reporting unresponsive, ensure they are properly secured and welded down, and powered.

Then set all the gyrotrons to a beam output of 0.01 TJ.

Rust injector.png Fuel injector setup

A correctly setup R-UST fuel injector.

The Rust injector.png fuel injectors do NOT need a window to shoot through, they can launch particles through walls, oddly enough.

Find a spot that faces the reactor's 7x7 (max) area, with a bit of room, and place the fuel injector there.

The Rust injector.png fuel injector needs a direct power connection, as well as an area power connection, establish the former before securing and welding the fuel injector to the floor.

With that setup, place a wall (or use an existing one) next to the Rust injector.png injector, then make an Rust fuel port open.png R-UST fuel port from Metal r.png plasteel and stick that on the wall, then apply the Module card.png R-UST fuel port control electronics, and some Cablecoil.png cables, and Crowbar.png crowbar it shut to finish the port.

Teg.pngTEG setup

Modifying the TeG on boxstation to be used by a TEG built in the singularity field.

Please refer to the Thermoelectric_Generator for setup of the TEG. A few notes:

  • Make sure to fill the hot loop with plasma, not any other gasses. Plasma is needed for the fusion reactions inside the core chamber.
  • No pumps are needed on the hot loop, gas flow is handled by the Uvent off.png vents and air injectors Injector off.png, however, pumps may still be used to manage flow delicately, just supply a bypass valve.

Fuel compressor

Make a Rust compressor.png fuel compressor frame with Metal r.png plasteel, and attach it to the wall like any wall mounted equipment.

Then insert the set of Module card.png R-UST fuel compressor circuitry, and some Cablecoil.png cables. Finally finish the compressor by closing the panel with a Crowbar.png crowbar



Start core field

Use the Rust core control.gif Core Control Computer to enable the field of the linked tokamak. Increase the field power to fit the size of your chamber.

Gyrotron startup

Go to the Gyrotron control.png Gyrotron Control Computer and enable all linked gyrotrons.


Fuel Setup

Sadly the R-UST does not run on magic. It needs fuel. To make fuel for the R-UST you need to use the Rust compressor.png fuel compressor.

Get some compressed matter cartridges and insert them into the fuel compressor. In the interface of the compressor you can choose how much of each fuel "reagent" goes into your fuel rod. If you're unsure what all the reagents do, check the fusion reaction table, the default of 150 Tritium and 150 Deuterium. When you're happy with your combination hit, Activate Fuel Synthesis to make the fuel rod.

Insert the fuel rod into the Rust fuel port open.png fuel port of your fuel injector, open the interface of the fuel injector and hit Draw assembly from port. Set the fuel usage to a low value like 0.05%, it can be increased later if need be.


Use the core monitoring computer to wait until the core reaches 1 mega energy. Once reached, proceed:

Enable the fuel injector to start injecting reagents into the core field.

Go over to the GACComp.png tank control computer and enable the input and output.

If all went well you should now have a running R-UST producing absolute boatloads of heat!


Make sure to replace the fuel rods every once in a while. If you want MORE POWER increase the output level on the injectors or initiate the breeder and enhanced breeder reactions to make the fusion process self-sustaining to a degree. Cleanup reaction remove any output reagents produced by the secomdary reactions, while breeder inhibitors suppress the breeder reactions. Finally, the control reactions consume a lot of power but are vital for stabilizing the reactions if the engine is beginning to overheat- be warned that if it gets too hot, the R-UST will release EMPs, dump large amounts of white-hot plasma everywhere, or both.

Fusion reaction table

Required Reagents Output Reagents Energy Usage Energy Output Radiation Output Reaction Class
Tritium, Deuterium None 1 5 0 Primary Production
Deuterium x2 Obdurium x2 1 4 1 Secondary Production
Tritium x2 Solonium x2 1 4 1 Secondary Production
Rodinium-6, Obdurium None 1 2 2 Cleanup
Rodinium-6, Solonium None 1 2 2 Cleanup
Dilithium, Obdurium Deuterium x1, Dilithium x1 1 1 3 Breeder
Dilithium, Solonium Tritium x1, Dilithium x1 1 1 3 Breeder
Stravium-7, Dilithium None 2 1 4 Breeder Inhibitor
Trilithium, Obdurium Dilithium x1, Trilithium x1, Deuterium x1 1 2 5 Enhanced Breeder
Trilithium, Solonium Dilithium x1, Trilithium x1, Tritium x1 1 2 5 Enhanced Breeder
Pergium, Deuterium None 5 0 5 Control
Pergium, Tritium None 5 0 5 Control
Pergium, Obdurium None 5 0 5 Control
Pergium, Solonium None 5 0 5 Control
Guides of /vg/station 13
New Player Guides
General Help - The Basics - Rules - A Crash Course In Roleplaying - Guide to Construction - Guide to Combat - Terminology - Shortcuts - Troubleshooting
Service Guides
Guide to Cargo Orders - Guide to Food and Drinks - Guide to Hydroponics - Guide to Beekeeping - Guide to Xenobotany - Guide to Vox Hydroponics - Guide to Cash Registers
Medical Guides
Guide to Medicine - Guide to Surgery/Autopsy - Guide to Chemistry - Guide to Virology - Guide to Genetics - Guide to Cloning
Scientific Research Guides
Guide to Research and Development - Guide to Robotics - Guide to Toxins - Guide to Telescience - Guide to Mechanic - Guide to Xenobiology - Guide To Xenoarchaeology
Engineer Guides
Guide to Engineering - Guide to Wiring - Guide to Construction - Guide to Advanced Construction - Guide to Singularity Engine - Guide to Atmospherics - Guide to Solars - Guide to Antimatter Engine (AME) - Guide to Thermoelectric Generator (TEG) - Guide to Supermatter Engine (SME) - Guide to R-UST - Guide to Space Pods - Guide to Telecommunications - Guide to Hacking - Guide to Assemblies
Security and Command Guides
Space Law - Standard Operating Procedure - Guide to Security - Guide to Forensics - Guide to Command - Chain of Command - Guide to Silicon Laws
Antagonist Guides
Guide to Traitor - Guide to Nuclear Operations - Guide to Revolution - Guide to Xenomorph - Guide to Cult of Nar-Sie - Guide to AI Malfunction - Illicit Access - Random Events
Misc Guides
Guide to Hypothermia - Makeshift weapons - Guide to Ghetto Chemistry - Races - Creatures - Guide to Paperwork - List of Pastebins specific to /vg/station - Reading Material - NTSL (Nanotrasen Scripting Language)
Admin and Coder Guides
Guide to Admin Tools - Understanding SS13 Code - Guide to Git CLI - SS13 for Experienced Programmers - Guide to Spriting - Guide to Mapping - Guide to GitHub/Merging Upstream Changes - Getting Your Pull Accepted - DM/BYOND: Undocumented Stuff