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Editing v0.34:Screw pump
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[[Water#Salt Water|Salt water]] pumped through a pump will desalinate and become drinkable, but only if the [[cistern]] has never contained salty water. [[Water#Stagnant Water|Stagnant water]] pumped through a pump will become clean, letting dwarves drink it without getting an unhappy [[thought]] and letting [[doctor]]s clean [[wound]]s without causing an [[Health care#Infection|infection]]. As with desalination, this only works if the [[cistern]] has never contained stagnant water. | [[Water#Salt Water|Salt water]] pumped through a pump will desalinate and become drinkable, but only if the [[cistern]] has never contained salty water. [[Water#Stagnant Water|Stagnant water]] pumped through a pump will become clean, letting dwarves drink it without getting an unhappy [[thought]] and letting [[doctor]]s clean [[wound]]s without causing an [[Health care#Infection|infection]]. As with desalination, this only works if the [[cistern]] has never contained stagnant water. | ||
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− | :From the components used in construction, a DF pump can be imagined as a simple [http://en.wikipedia.org/wiki/Archimedes%27_screw archimedes screw]. However, given its effect on contaminated water, the lack of pump components *in* the water itself, and general Dwarven mechanical aptitude, it seems more accurate - and more | + | : From the components used in construction, a DF pump can be imagined as a simple [http://en.wikipedia.org/wiki/Archimedes%27_screw archimedes screw]. However, given its effect on contaminated water, the lack of pump components *in* the water itself, and general Dwarven mechanical aptitude, it seems more accurate - and more Darwfy - to infer the speed of rotation to be high enough that the bulding actually operates as a [http://en.wikipedia.org/wiki/Turbomolecular_pump Turbopump] using the principles of [http://en.wikipedia.org/wiki/Vacuum_distillation Vacuum distillation] to simultaneously transfer and purify water. |
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''For a basic overview of how the different machine parts work and work together, see [[machine component|machinery]].'' | ''For a basic overview of how the different machine parts work and work together, see [[machine component|machinery]].'' | ||
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* Ramps can be used in place of channeling. Liquids will transmit through ramps, unlike stairs, and when pumps are constructed they annihilate the ramp they're built on much as walls do. Power will still be transmitted, so they don't need to be removed by miners prior to pump construction. Ramps make it virtually impossible to strand your miners and allow the stack to be dug out using only access doorways on the intake side of the pump, so no construction or doors are later needed to eliminate leaks. A pump stack can be very rapidly carved out with this method as even if a miner/builder is trapped on the containment side of a pump, they can walk up the ramp to the intake side of the pump above and walk out. | * Ramps can be used in place of channeling. Liquids will transmit through ramps, unlike stairs, and when pumps are constructed they annihilate the ramp they're built on much as walls do. Power will still be transmitted, so they don't need to be removed by miners prior to pump construction. Ramps make it virtually impossible to strand your miners and allow the stack to be dug out using only access doorways on the intake side of the pump, so no construction or doors are later needed to eliminate leaks. A pump stack can be very rapidly carved out with this method as even if a miner/builder is trapped on the containment side of a pump, they can walk up the ramp to the intake side of the pump above and walk out. | ||
* Power can be transmitted to the stack by channeling out the tile directly above the intake (light) tile of the topmost pump and mounting a gear assembly. If the gear assembly is supported by an adjacent gear assembly or horizontal axle on a stable floor (be careful to not have that adjacent gear assembly disengage via lever), this will allow the stack to hang from the gear assembly. If a lower pump needs to be removed, or should self-destruct, the problem of the entire pump stack disassembling described above is eliminated. Further, if the supported gear assembly is built first, the pump stack can be built both from the top and bottom simultaneously, halving construction time, assuming that sufficient attention is paid to make sure that the pumps will align with the proper orientation when the two partial stacks meet. Properly channeling/ramping out the stack should ensure this. | * Power can be transmitted to the stack by channeling out the tile directly above the intake (light) tile of the topmost pump and mounting a gear assembly. If the gear assembly is supported by an adjacent gear assembly or horizontal axle on a stable floor (be careful to not have that adjacent gear assembly disengage via lever), this will allow the stack to hang from the gear assembly. If a lower pump needs to be removed, or should self-destruct, the problem of the entire pump stack disassembling described above is eliminated. Further, if the supported gear assembly is built first, the pump stack can be built both from the top and bottom simultaneously, halving construction time, assuming that sufficient attention is paid to make sure that the pumps will align with the proper orientation when the two partial stacks meet. Properly channeling/ramping out the stack should ensure this. | ||
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* When pumping water, make sure all tiles on the containment side of the stack are covered with a [[construction|constructed]] floor or [[fortification]] to prevent subterranean trees from growing and blocking flow of the stack. Fortifications have the added advantage that, when used with water, they will never become muddy. | * When pumping water, make sure all tiles on the containment side of the stack are covered with a [[construction|constructed]] floor or [[fortification]] to prevent subterranean trees from growing and blocking flow of the stack. Fortifications have the added advantage that, when used with water, they will never become muddy. | ||
* When using pumps to empty a large body of liquid, make sure that the pump output is properly isolated from the intake, otherwise the liquid can flow backwards into the pump's walkable tile and cause problems (such as flushing the dwarf operating it into the body of liquid being drained). | * When using pumps to empty a large body of liquid, make sure that the pump output is properly isolated from the intake, otherwise the liquid can flow backwards into the pump's walkable tile and cause problems (such as flushing the dwarf operating it into the body of liquid being drained). |