(Although the "liquid" is shown as blue, this can work for magma as well, with the appropriate precautions.)Īlthough the screw itself is only 2 tiles long by 1 tile wide, the entire system must be thought of as 4 tiles long (see diagram, "Basic Side View of a Pump", right). If pumped manually, the pump operator stands in the input side, as the output tile is impassable to both fluid and movement. Note that the entire space required is 4 tiles long by 1 tile wide, not including any retaining walls for the outflow. The area to the right may fill to the top of that level, but no more (See pressure see Pump stack). This pump "pumps from the west to east", flowing from left to right. As with desalination, this only works if the cistern has never contained stagnant water.įor a basic overview of how the different machine parts work and work together, see machinery. Stagnant water pumped through a pump will become clean, letting dwarves drink it without getting an unhappy thought and letting doctors clean wounds without causing an infection. Salt water pumped through a pump will desalinate and become drinkable, but only if the cistern has never contained salty water. Pumped fluids will have a pressure equal to the exit z-level - a pump never "forces" water to a higher z-level than the output tile. Pumped fluids can and will flow immediately after being pumped, as normal for that fluid. The "rise" in levels occurs on the first tile, the intake side, from one level below up to the level of the pump. Pumping only occurs in a straight line, and involves a total of 4 tiles in a row - 1) the liquid source, two for the pump, and the output (details below, under Construction). The direction you want the fluid to travel must be chosen at the time of construction. The input side has many gears, and the output side has jutting pipes. In the premium edition of Dwarf Fortress (v50), a pump has detailed graphics, which visually shows the orientation of the pump. In v50 a screw pump's orientation will be displayed by clicking on the pump. In previous versions of Dwarf Fortress, the input side showed up as a light-colored tile, and the output side was a dark-colored tile, which will likely be a method of differentiating the two sides that you will encounter in descriptions and illustrations. The other side is the "output" side, which outputs the fluid being pumped. One side is the "input" side which accepts dwarven labor from the pump operator, and which obtains the fluid that the machine will pump. A screw pump both accepts and transfers power using either tile of the pump, in all orthogonal directions, including above and below.Ī screw pump has two sides. It is two tiles by one tile in size, and it can be either manually operated by a dwarf allowed to do the the pump operating work (by default there is no work detail for this labor, and everyone is allowed to do it) or by being powered by water wheels and/or windmills.
Metal: Blacksmithing, Weaponsmithing, Armoring, or MetalcraftingĪ screw pump is a small building that can lift liquids ( water or magma) from one level below onto the same Z-level as the pump.
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