Pumping Fuel: Buildcraft Tank Tricks

how to pump fuel out of tank on buildcraft

In BuildCraft, a combustion engine can be used to pump fuel from a distiller into a tank. A pump can be used to move any BuildCraft-compatible liquid. When pumping directly into a tank without pipes, the pump can work at a rate of 1 bucket per tick. A Stirling Engine or better is required for the pump to work properly, although it can work with a Redstone Engine at a reduced rate. A combustion engine should be separated from the liquid by a Kinesis Pipe, or it will feed the liquid into itself for fueling or cooling. The pump uses 10 MJ per pumped block, with a maximum filling rate of 20 buckets per second, or 100RF/tick, from 2 Combustion Engines running on fuel.

Characteristics Values
Pumping fuel from a refinery Use a combustion engine to refine oil into fuel, then use a wooden liquid pipe and redstone engine to pump fuel into a separate glass tank
Pumping fuel from a distiller Use a combustion engine to pump fuel out of the distiller and into a tank
Pumping fuel from a tank Use BuildCraft's fluid pipes to pump fuel from the tank into a bucket
Pumping fuel from the Nether Use Ender Tanks to move lava from the Nether to the overworld
Pumping speed A pump can work at a maximum rate of 20 buckets/sec or 1 bucket/tick
Pump power source Requires a Stirling Engine or better to work properly; can also be powered by a Redstone Engine at a reduced rate
Pump placement Place a tank directly next to the pump to avoid issues with pipe capacity; do not place above a natural ocean or river as it will eventually empty

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Using a combustion engine

The Combustion Engine is the highest tier of BuildCraft engine. It can convert oil or fuel into MJ at a rate of 3MJ/t and 6MJ/t respectively, making it the most powerful of the three BuildCraft engines.

To pump fuel out of a tank using a combustion engine, you can use RP2 fluid pipes connected to the front of the engine (energy output). To pump water out, use the backside. You can also right-click the internal tank GUI with a pipette (you'll need one per bucket of fuel left in your engine).

If you are low on resources or don't want to make pneumatic servos, right-click with a wrench to show a red arrow pointing out, then place a level next to it, flip the lever, and it will start pumping. You can also set the conduits to extract mode by right-clicking the actual connection with a wrench to change the arrow to point away from the tank. Then add a pneumatic servo to make it configurable, and right-click with an empty hand to configure it to not require a redstone signal.

In the past, combustion engines could run forever without water cooling by connecting the engine to a redstone repeater 4/5 clock. This technique also eliminated the explosion hazards that buggy pipes often caused. However, this procedure would produce lag with each switching cycle on slower machines.

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Using a Stirling Engine

Stirling Engines, previously known as Steam Engines before Buildcraft 3.2.0, can be used to pump fuel out of a tank. Stirling Engines output 1MJ/t (20 MJ/s) while on (given a constant redstone signal).

The Stirling Engine runs on burning items and needs to be refuelled to continue operating. Burnable items include lava buckets, blaze rods, coal, charcoal, wood, planks, sticks, saplings, and crafting tables. The engine is turned on and off via a redstone signal and requires an active redstone signal to run. Fuel items can be pumped in via a transport pipe for convenience.

Stirling Engines can be used as a power supply for mining machines and can be connected to each other or transfer power through conductive pipes. However, it is important to note that they cannot pump lava directly into the engine. It will only accept buckets of lava, although it will also accept lava cells.

When using a pump with a Stirling Engine, it is important to consider the power output and the potential for overheating. Buildcraft machines have limits on how much power they can accept and use per tick, and a Buildcraft pump has a burst input limit of 10 MJ. If the engine's power output exceeds the pump's limit, the excess power remains in the engine, causing it to heat up. This mechanism is designed to make the engine stroke faster, resulting in smaller energy bursts.

To avoid overheating issues, it is recommended to use four redstone engines around the pump, as redstone engines do not overheat easily. Alternatively, an Aquaeous Accumulator can be used, which has no power requirements and pumps water quickly.

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Pumping fuel into a separate tank

Firstly, it is important to note that BuildCraft tanks can store up to 16 buckets of liquid, including oil, fuel, water, or lava. These tanks can be stacked vertically to increase capacity, but they will not connect when placed side by side. To pump fuel into a separate tank, you can follow these methods:

Using a Pump:

  • Place a pump above a corner of a 3x3x1 deep pool of water to create an infinite water source. Ensure the water regenerates faster than the pump's drainage rate.
  • Connect the pump to a suitable engine, such as a Stirling Engine or a Redstone Engine. For a combustion engine, use a Kinesis Pipe to separate the engine from the liquid.
  • Place a tank directly next to the pump. A Stirling Engine will fill a Stone Fluid Pipe per revolution, while a Combustion Engine will fill a Golden Fluid Pipe.
  • You can also use Liquid Tesseracts and Redstone Energy Cells for faster pumping, achieving 20 scoops per second.

Using BuildCraft Pipes:

  • Utilize BuildCraft Fluid Pipes to connect the source tank to the destination tank.
  • Ensure that the tanks are placed next to each other or connected via pipes.
  • Use an engine to power the extraction process. For wooden waterproof pipes, connect the engine to the pipe for liquid extraction.

It is important to note that some machines, like the Bottler from Forestry and the Fluid Transposer from Thermal Expansion, can also be used to fill buckets from an internal tank. Additionally, when dealing with lava, use Ender Tanks instead of Liquid Tesseracts for cheaper and easier transportation.

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Using BuildCraft's fluid pipes

Fluid/Waterproof pipes were first introduced in BuildCraft 2.2.0. These pipes can be used to transport oil, fuel, water, and lava to different locations. They can also be used to transport liquids into engines, tanks, and oil refineries.

To use BuildCraft's fluid pipes, you will need a redstone engine and a wooden waterproof pipe. Place the redstone engine in the block next to the wooden pipe, and it should automatically align with the pipe. Then, place a lever next to the engine and turn it on. This setup will allow you to pump liquids out of a tank.

It is important to note that the type of fluid pipe you use will determine its functionality and capacity. For example, gold fluid pipes will transport more liquid than stone or cobblestone pipes, and they do not require a redstone current to operate. Emerald fluid pipes can drain four times more liquid at once than wooden fluid pipes, and sandstone fluid pipes are useful for connecting other types of transport pipes.

In some cases, you may encounter issues with fluid pipes getting stuck in one flow direction. To resolve this, you can stop the fluid flow until all pipes are empty and then restart it, or you can allow the "stuck" direction to fill up. Alternatively, placing another pipe next to the source pipe can sometimes reset the stuck direction.

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Using wooden liquid pipes

Wooden liquid pipes can be used to extract any buildcraft-compatible liquids from a liquid storage container and into a pipe network. They can be used to transport oil, fuel, water, and lava to different locations. For example, a simple tank filled with oil can be pumped into a refinery using a wooden liquid pipe and a redstone engine. The refinery is powered by a combustion engine and refines the oil into fuel, which is then pumped into a separate glass tank using another wooden liquid pipe and redstone engine.

Wooden liquid pipes can also be used to interconnect different types of pipes, such as cobblestone and stone fluid pipes. However, they cannot connect to other wooden pipes; a cobblestone or gold fluid pipe must be used instead. It is important to note that a wooden fluid pipe is not necessary to extract liquids from pumps. A cobblestone fluid pipe, for instance, can be used as a basic fluid pipe with a regular capacity for liquids. It can transfer buildcraft-compatible liquids along a network of fluid pipes but will not connect to stone fluid pipes.

Gold fluid pipes are another option and offer a higher liquid transport capacity than stone or cobblestone pipes. They do not require a redstone current to operate, although a powered wooden waterproof pipe is still needed to extract liquids from tanks and some machines. Emerald fluid pipes offer even greater capacity, draining four times more liquid at once than wooden fluid pipes. Sandstone fluid pipes are useful for connecting other types of transport pipes, allowing stone and cobblestone fluid pipes to connect, but they will not connect to machines or any other blocks.

It is worth noting that if there is no room for more liquid in the pipes, no more liquid will be extracted. This may require "micromanagement" by emptying out one tank at a time to avoid filling the pipes and losing liquid.

Frequently asked questions

To pump fuel out of a tank in BuildCraft, you can use a combustion engine to power a Redstone engine.

The maximum filling rate of a pump in BuildCraft is 20 buckets per second, or 10 buckets per second using a single pipe.

When using a combustion engine, use a Kinesis Pipe to separate the engine from the liquid to avoid the engine feeding the liquid into itself.

Yes, a Redstone Engine can power a pump, but it will operate at a reduced rate.

Liquids can be withdrawn from BuildCraft tanks using buckets or wooden waterproof pipes powered by an engine.

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