Liquid Fluoride Thorium Reactor

The Liquid Fluoride Thorium Reactor (LFTR) is an IV tier multiblock for generating power from radioactive beta decay. All three molten salts or fuels are made in the Reactor Fuel Processing Plant and consumed at a fixed rate of 1 L/s. The only other input requirement is lithium tetrafluoroberyllate which is made from outputs of the Nuclear Salt Processing Plant and consumed at a fixed rate of 2 L/s. The fuels generate 16A of EV, 16A of IV, and 16A of LuV power respectively, and all produce radioactive byproducts that can be recycled back into more fuel. The LFTR has an initial warm-up period of 250 seconds during which no fuel is consumed and no power is generated. Save on fuel by automatically toggling the LFTR with an RS latch connected to a Lapotronic Supercapacitor.

The LFTR has no tiered components but several restrictions on its buses/hatches. There must be at least one IV+ input hatch, at least four IV+ output hatches (or one ME output hatch), exactly four IV+ muffler hatches, and exactly four EV-LuV dynamo hatches no greater than 4A. The interior is entirely mandatory air so nothing can be inside the machine. Use the Multiblock Structure Hologram Projector to visualize/build the structure.

Structure

• Controller: Front bottom center
• 27-86 Hastelloy-N Reactor Casing
• 26 Reactor Shield Casing
• 4 Dynamo Hatch: Any edge casing (EV-LuV)
• 1 Maintenance Hatch: Any edge casing
• 4 Muffler Hatch: Any top 3x3 center casing (IV+)
• 1+ Input Hatch: Any edge casing (IV+)
• 4+ Output Hatch or 1 ME Output Hatch: Any edge casing (IV+)

Wallsharing

LFTRs may wallshare each of their sides to save on casings and buses/hatches. That generally does not include the dynamo hatches unless there is enough support for all the amps. Overlapping the entire top layer with one directly overhead and upside down is the most effective and highly recommended because it saves a significant amount of reactor casings and shares the muffler hatches.

There are three molten salts or fuels that can be used in the LFTR, as seen in the following table. They are all made in the Reactor Fuel Processing Plant and consumed at a fixed rate of 1 L/s. The only other input requirement is lithium tetrafluoroberyllate (LFTB) which is made from outputs of the Nuclear Salt Processing Plant and consumed at a fixed rate of 2 L/s. The LFTR automatically shuts down if it ever runs out of fuel or LFTB.

In addition to the byproducts below, the LFTR has a 1/300 chance to produce 1-10L of molten Uranium 233 per tick. That is an average of 0.33 L/s which can be used to make uranium tetrafluoride for more fuel, after solidifying it back into dust.

The LFTR has an initial warm-up period of 250s during which no fuel is consumed and no power is generated. The warmup period is mandatory every time the LFTR is enabled, even if it was only disabled for a single tick. There is no avoiding it with a machine controller cover either.

Exceeding the maximum EU/t or the total EU of the dynamo hatches is perfectly safe; the LFTR will not explode if an attached battery buffer or Lapotronic Supercapacitor (LSC) is full and there is nowhere for the EU to go. Any additional EU is simply voided. It is highly recommended to automatically toggle the LFTR with a redstone RS latch to avoid wasting fuel--see the LSC page for a guide on setting that up.