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Crazy AE2 Addons

Penrose Sphere

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Penrose Sphere

Any frame is a valid ComputerCraft peripheral.

Video Tutorial

The Penrose Sphere is a late-game multiblock generator built around a contained black hole. By feeding it Singularities, it builds an accretion disk that converts mass into Forge Energy (FE).

You manage a stable operating point by balancing:

  • Injection (feeding Singularities)
  • Cooling (Heat Vents)
  • Evaporation (Hawking Vents)
  • Output (Power Ports)

Requirements

  • The multiblock must be formed.
  • The controller requires an AE2 channel and draws 2 AE/t idle power.
  • The controller has a Disk Slot that only accepts an AE2 4k Storage Cell dedicated to Super Singularities.
  • The cell must contain only Super Singularities.

Startup

  1. Insert a 4k Storage Cell into the controller’s Disk Slot.

  2. Fill the cell with enough Super Singularities to pay the startup cost (configurable, default: full 4k item cell).

  3. In the controller GUI click, Start the Black Hole.

    • The controller consumes the startup cost from the cell.
    • The black hole begins at a configurable initial mass.

If the structure isn’t formed, the black hole cannot be started.

How power generation works now

Accretion disk (the “smoothing buffer”)

Singularities you inject do not become black-hole mass instantly. They enter the accretion disk first and then “fall in” over time.

  • The disk keeps a rolling history of about 120 seconds.
  • The effective orbit delay (smoothing time) is about 60 seconds.

This means power ramps up and ramps down smoothly instead of instantly.

Heat and efficiency

The disk generates heat (internal unit: MK). Heat is not just a danger value - it also affects efficiency.

  • At low heat, efficiency is close to 0 (almost no power).
  • Efficiency rises until the peak heat (default: 50,000 MK).
  • Above the peak, efficiency falls again.
  • If heat reaches the max heat (default: 100,000 MK), the sphere melts down.

To stay productive and safe, you generally want to hold heat near the peak using Heat Vents.

Black hole mass (“sweet spot”)

Power output is multiplied by a mass factor based on how close the black hole mass is to a configured sweet spot (middle of the allowed mass window).

  • At the edges of the window, mass factor is 1.0.
  • At the sweet spot, mass factor reaches MassFactorMax (default: 2.0).

Mass factor boosts both power and heating, so running at the sweet spot is stronger but needs better cooling.

If black hole mass reaches the configured max mass, the sphere melts down.

Feeding, cooling, and mass control

Injection (feeding NORMAL Singularities)

Injection is handled via the multiblock’s injection components (e.g. Injection Ports). Internally, the controller has a hard cap of MaxFeedPerTick (default: 4096).

You don't want to get anywhere close to this value though. Everything above 20 singularities/t is almost guaranteed meltdown, or at least lower net gain in power.

Important behavior:

  • Injection can be temporarily blocked while the system is venting / evaporating (see Hawking Vents).
  • Over-injecting without enough cooling will spike heat and can cause a meltdown.

Heat Vents (cooling)

Heat Vents can remove heat when powered (redstone signal).

THERE CAN BE ONLY 1 VENT PER MULTIBLOCK and the cooling cost rises exponentially.

  • Cooling costs FE.
  • The controller will try to pay vent costs in this order:
    1. From power generated this tick
    2. From the controller’s stored FE buffer
    3. From the vent’s internal FE buffer
  • If you can only pay part of the cost, you get partial cooling. So better connect them to your power spine.

Hawking Vents (evaporation)

Hawking Vents reduce black hole mass (Hawking evaporation) when powered.

THERE CAN BE ONLY 1 VENT PER MULTIBLOCK and the venting cost rises exponentially.

  • Evaporation costs FE (usually expensive).
  • Evaporation is applied proportionally to how much of the cost you manage to pay.
  • While Hawking Vents are active, the controller stops all injection ports.
  • The black hole mass cannot be evaporated below the configured initial mass.

FE output

  • The controller stores generated energy in an effectively unbounded internal buffer.
  • Power Ports actively export FE to adjacent blocks.
  • The controller itself exposes an FE capability and can be drained by FE cables/pipes.
  • The capability is also shared by all Penrose Frames in the multiblock.

The GUI also shows:

  • Last Generated FE/t (gross) - what the disk produced before paying vent costs
  • Last Consumed FE/t - what vents consumed
  • Stored FE - what remains in the controller buffer
  • Energy in Disk - an estimate of potential disk energy.

Output math (for balancing / configs)

Gross generation per tick is based on disk flow, heat efficiency, and mass factor:

FE/t (gross) ≈ DutyCompensation * BaseFEPerFlow * DiskFlow * HeatEfficiency * MassFactor

With defaults at peak heat and sweet-spot mass, each ~1 “flow” (≈ 1 singu/t steady-state) is roughly:

  • ~179,000,000 FE/t gross (before vent costs)

Your real output will be lower if vents are running, or if heat is far from the peak, or if mass is far from the sweet spot.

Safety and meltdowns

A meltdown triggers when either:

  • Heat ≥ MaxHeat, or
  • Black hole mass ≥ MaxMass

On meltdown, it can cause catastrophic black hole sized explosion (if not disabled via config).

Do not run unattended without:

  • reliable cooling,
  • mass control,
  • and some form of monitoring.

Practical tips

  • Treat it like a reactor:
    • Injection increases output, heat, and mass.
    • Heat Vents stabilize heat around the peak.
    • Hawking Vents keep mass from drifting into the danger zone.
  • If heat is climbing, and you can’t afford cooling, stop injection immediately.
  • If mass is trending upward over time, plan periodic evaporation to stay near the sweet spot.