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Minecraft Joules (MJ) are the energy units of all BuildCraft Engines and Machines. This is a list for reference about the MJ production and consumption of the different Engines and Machines.

NOTE: Minecraft Joules are not to be confused with Energy Units, which is the Industrial Craft 2 equivalent. Please be aware that Buildcraft engines and other machines will not work with EU, and vice versa. You will need an Energy Link to convert EU to MJ or an Engine Generator to convert MJ to EU.

EnginesEdit

Engines Max Energy (MJ) Energy Generated Max Input (MJ) Max Output (MJ) Piston Speed/Ticks to Extract
Blue Green Yellow Red
Grid Redstone Engine Redstone 1 10000 MJ/s 50 1 0.01 0.02 0.04 0.08
102 52 26 14
Grid Steam Engine Steam 10000 1 MJ/t 200 100 0.02 0.04 0.08 0.16
52 26 14 8
Grid Combustion Engine Combustion 100000 1,2, or 5 MJ/t (lava, oil, and fuel respectively) 2000 500 0.04 0.05 0.06 0.07
26 24 18 16

Conductive PipesEdit

Conductive Pipes Max Input (MJ) Max Energy Stored (MJ) Latency (ticks) Power Loss (per pipe) (MJ)
Wooden 1000 1000 50 0.01
Stone 1000 from each connected pipe N/A N/A 0.01
Cobblestone 1000 from each connected pipe N/A N/A 0.01
Gold 1000 from each connected pipe N/A N/A 0.001

Data for pipe capacity is currently incomplete.

MachinesEdit

Machine Internal Energy Storage (MJ) Min Input (MJ/t) Max Input (MJ/t) Min Activation Energy (MJ) Min Time between Actions Energy per Action (MJ)
Grid Pump (BC) Pump 100 1 1 10 20 10
Grid Builder Builder 25 2.5 2.5 25 10 25
Grid Filler Filler 100 2.5 10 25 10 25
Grid Mining Well Mining Well 1000 2.5 2.5 25 50 25
Grid Oil Refinery Refinery 1000 2.5 2.5 25 1 10
Grid Quarry Quarry (Build Phase) 7000 2.5 2.5 25 20 25
Grid Quarry Quarry (Dig Phase) 7000 3 20 50 1 2-9

FillerEdit

The filler has a 40% chance of not placing a block but still using the energy it would have.

QuarryEdit

The quarry's mechanical arm moves at a speed dependent on how much energy it is able to draw from the internal storage. The exact formula for calculating movement speed is 0.015 + Energy Per Action / 200, meaning it will move at a minimum of 0.015 meters per tick, to a max of 0.015 + 9/200 = 0.06 meters per tick. In comparison, this is approximately the same speed as sneaking.

While digging, the quarry tries to perform an action every tick, which is why the energy per action is lower than other machines.

Start a Discussion Discussions about MJ

  • How do you convert MJ to EU?

    14 messages
    • you could send it off just by creating multiple energy links, but you would be better off investing your resources into solar panels to set...
    • you can use transformers industrial craft to reduce the energy and stores it in some mfsu cable using fiberglass to reduce energy loss, then m...
  • how

    4 messages
    • You are probably asking about replacing and removing IC2 Advanced Machines. These require the use of a Wrench , or an Electric Wrench . It...
    • IC2 machines? Use a wrench.

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