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masteri212 edited this page Oct 31, 2026 · 2 revisions

Mod Interactions

Mod Needed? Version What it adds
Patchouli Required 1.21.1-93+ The in-game Reactor Manual
CC: Tweaked Optional 1.120+ The bhe_reactor peripheral
Sable Optional 2.0.6+ Black holes pull and tear apart moving block structures; zones give them low gravity
JEI Optional 19.0+ Info pages for things that aren't crafted; hides the debug tools

The optional integrations load only when their mod is installed. Without them nothing breaks, and the features below are simply missing.

Power: Forge Energy (RF)

The reactor works with any mod that uses NeoForge's energy capability (Forge Energy / RF): Mekanism, Thermal, Powah, Immersive Engineering, Create addons and others.

Getting power out

Reactor Ports are the reactor's power connections. A Reactor Port can replace any Ring Frame block in the containment ring, as many as you like.

  • While the reactor generates (stable, warning, shutting down or pre-meltdown), each port pushes up to 2,000,000 RF/t into each neighbouring machine or cable (portPushPerSide), on all six sides.
  • Ports also allow pulling: a cable or machine that extracts can take power from the core's buffer at any time.
  • Ports don't push into other Reactor Ports.
  • A port works once the reactor is formed. Ports link to their core every couple of seconds, so ones you add to a running reactor start working on their own.
  • The stabilizers' own draw (2,000 RF/t each, see Stabilizer power) is taken before the ports get anything.

The core's buffer holds 1,000,000,000 RF.

Putting power in

Ignition costs 50,000,000 RF (ignitionEnergy). Feed it in through any Reactor Port: every port accepts power into the core's buffer.

The Bending Laser has its own power input. It sits in the ring's north-east beam port tunnel (12 east, 12 north of the core), so connect its cable from outside the ring, on its east or north face. At 100% it fires 200,000 RF/t into the black hole (see Reactor Calculations: laser bending).

Hawking Cells, from the Event Horizon, make 256 RF/t each (hawkingCellRf).

Redstone

A comparator reading a Reactor Port gives the core's stability as a signal:

signal = round(stability / 100 × 15)
Stability Signal
100% 15
50% (warning starts below this) 8
20% (pre-meltdown below this) 3
0% 0

An unformed or unlinked port gives 0. The signal updates once a second.

A simple alarm: comparator out of a port, into a redstone torch or a comparator in subtract mode set against a threshold, to light a lamp or ring a bell when stability falls under 50%.

CC: Tweaked

The reactor is a peripheral (bhe_reactor) on the Reactor Core, every Reactor Port and the Control Console. It can read everything the console shows and press every button.

Full method list and an example controller: ComputerCraft.

Sable (and mods built on it, like Create: Aeronautics)

Sable simulates moving block structures ("sub-levels", such as ships). With it installed:

  • The black hole pulls them in. A running reactor pulls any sub-level within its reach toward the core, as a physics force. It reels them in at 20 m/s at most rather than flinging them. The reach is the same as for ordinary blocks, and it grows as the reactor fails (12.5 blocks while running, up to 48 in meltdown phase 2; see Pull and tearing).
  • It tears them apart. Blocks are torn off a sub-level one at a time, nearest first, by the same rules as the ground. They fly into the black hole and become mass. Beyond the ring this needs destroyBlocks on, just like the terrain. This needs pullBlocks on.
  • Dark energy zones give them low gravity. Inside a zone, a sub-level gets the zone's gravity (40% by default, gravityMultiplier), the same as players and mobs.

You may see Failed to apply tag physics properties. Unknown block: create:flywheel in the log when Sable runs without Create. That message comes from Sable and is harmless.

JEI

JEI already shows every crafting and smelting recipe. The mod adds information pages for everything you get some other way:

  • the Reactor Core and how a reactor is built and run
  • the Containment Box and catching a black hole
  • Research Recordings
  • dark energy zones and what comes out of them
  • the mobs and their drops
  • the Event Horizon, its materials and its ruins

It also hides the creative-only debug tools from the item list.

Patchouli

The Reactor Manual is a Patchouli book, which is why Patchouli is required. It has the building guides, with multiblock previews you can project into the world, plus operation, safety and Event Horizon chapters.

On the formulas in this wiki, the manual only gives the rules of thumb. This wiki has the exact numbers.

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