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Mekanism Fission Reactor (ATM10)

Overview

The Fission Reactor is a multiblock structurestructure, in the Mekanism mod, used to generate large amounts of power by burning nuclear fuel. It produces heat,heat which converts water into steam for power generation, and generates nuclear waste as a by-product.

 

RequirementRequirements

Reactor Components

  • Fission Reactor Casing
  • Fission Reactor Port
  • Fission Fuel Assembly
  • Control Rod Assembly
  • Reactor Glass (optional)

Supporting Systems

Coolant Supply

A constant water source is required:required. Options include:

  • Sink (recommended)
  • Mechanical Pipes (Thethe longer the pipes, the more water is available to pump into the multiblock)
  • Eternal Water Block (EvilCraft)

Fuel Production

Fission Fuel must be produced through a chemical chain:

  • Uranium → Uranium Hexafluoride → Fission Fuel

Required machines:

  • Chemical Oxidizer
  • Chemical Infuser
  • Isotopic Centrifuge

Waste Handling

  • Pressurized Tubes
  • Radioactive Waste Barrel (temporary storage)

 

Structure

Minimum Size

  • 5×5×5 (recommended starting size)

Construction Steps

1. Build the Outer Casing

ConstructTo begin, construct a 5×5×5 hollow cube using Fission Reactor Casing. 5x5x5 is the smallest a Fission Reactor can be.

2. Install Internal Components

Inside the structure:

  • Place Fission Fuel Assemblies vertically
  • Place Control Rod Assemblies directly on top of each fuel assembly

3. Add Ports

Install the following ports on the reactor casing:

  • Fuel Input Port
  • Coolant Input Port
  • Steam Output Port
  • Waste Output Port

Additional ports can be added as needed.

4. Optional: Reactor Glass

Replace casing blocks with Reactor Glass for visibility.visibility into the reactor interior. The corners of the reactor must be casing blocks to allow for the multiblock to take shape.

 

Setup

Coolant Input

  • Connect water supply to the Coolant Input Port
  • Ensure constant flow

Fuel Input

  • Pipe Fission Fuel into the Fuel Input Port

Steam Output

  • Extract steam from the Steam Output Port
  • Recommended: connect to an Industrial Turbine

Waste Output

  • Extract nuclear waste via Waste Output Port
  • Store in Waste Barrels or process later

Activation

  1. Enable the reactor
  2. Confirm:Confirm
    • Waterwater is flowing
    • WasteConfirm waste output is connected

Power Increase

Gradually increase burn raterate, slowlyincreasing too fast can cause the reactor to explode.

  • Temperature: below 800 K
  • Burn Rate: 0.5–2.0 mB/t (early setup)

 

Power Generation

Industrial Turbine (Recommended)

  • Converts steam into energy efficiently
  • Required for optimal performance

Without a turbine, most generated energy is wasted.

 

Safety

Meltdown Causes

  • Insufficient coolant
  • Excessive burn rate
  • Waste backup
  • Blocked output systems

Safety Guidelines

  • Maintain constant water supply
  • Ensure waste is continuously removed
  • Increase burn rate gradually
  • Monitor reactor temperature

 

Scaling

To

Increase increase output:

output

  • Increase burn rate slowly
  • Add more fuel assemblies
  • Expand reactor size (e.g. 7×7×7 or larger)

 

Common Mistakes

  • Activating reactor at high burn rate
  • Failing to supply enough coolant
  • Ignoring waste management
  • Not using a turbine

 

Recommended Starter Setup

  • 5×5×5 reactor
  • 4–6 fuel assemblies
  • Burn rate ~1.0 mB/t
  • Connected industrial turbine
  • Infinite water source
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