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Editing Pump-stack method
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[[file:Pump aquifer main.png|frame|right|The top of a functioning pump-stack aquifer pierce.]] | [[file:Pump aquifer main.png|frame|right|The top of a functioning pump-stack aquifer pierce.]] | ||
− | + | Kingbu posted this novel approach to [[Aquifer]] piercing over on the bay12 forums. Unfortunately his original twitch video has since been taken down; however, this tutorial is based extensively on that video, adding only a few improvements that have since been made to the method. Kingbu's method, which he loosely referred to as the no-cancellation-spam method but is here called the pump-stack method, is significantly faster than the famed [[Double-slit method]] but does require significantly more materials and labors since it involves building a double [[Screw_pump#Pump_stack|pump stack]]. In it's simplest form, the method draws heavily on the [[Water_wheel#Dwarven_Water_Reactor|Dwarven water reactor]] exploit, so it may not be for everyone. However, it is entirely possible to accomplish the method without the exploit, but it is somewhat slower as you will need to build a [[Power|power system]] to run the pump stack. | |
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== Before You Start == | == Before You Start == | ||
− | === Double | + | === Double Slit Method === |
− | Go and read the [[Double-slit method|double-slit method tutorial]], and possibly run through it with an aquifer. Knowing the basics of how aquifers drain is crucial to getting this method to work. Take particular note of the [[Double-slit_method#Draining_an_aquifer|draining an aquifer]] section. | + | Go and read the the [[Double-slit method|double-slit method tutorial]], and possibly run through it with an aquifer. Knowing the basics of how aquifers drain is crucial to getting this method to work. Take particular note of the [[Double-slit_method#Draining_an_aquifer|draining an aquifer]] section. |
− | === Pump | + | === Pump Stacks === |
If not already familiar with them, get yourself comfortable with building a powered [[Screw_pump#Pump_stack|pump stack]]. | If not already familiar with them, get yourself comfortable with building a powered [[Screw_pump#Pump_stack|pump stack]]. | ||
− | == The | + | == The embark == |
Your best bet for your first try at this aquifer pierce is to bring at least the following: | Your best bet for your first try at this aquifer pierce is to bring at least the following: | ||
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− | Now it's time to build the first set of [[Screw | + | Now it's time to build the first set of [[Screw pumps|screw pumps]], some [[Gear assembly|gear assemblies]], and the [[Water wheel|water wheel]] that will run the show. The pumps should be set to pump out of the stairway and into the drain. In this case, pump from East to West. You'll do this part in two steps: First the two pumps and the gear assembly just south of them, and then the water wheel and hanging gear. See below. |
{|class="wikitable1" | {|class="wikitable1" | ||
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| [[Image:Pump_aquifer_top_wheel.png|frame|left|Next, build a waterwheel attached to the bottom gear assembly, and construct an assembly next to the top pump, hanging over the channel*.]] | | [[Image:Pump_aquifer_top_wheel.png|frame|left|Next, build a waterwheel attached to the bottom gear assembly, and construct an assembly next to the top pump, hanging over the channel*.]] | ||
|} | |} | ||
− | + | *If your aquifer is only 1 layer thick, you do not need this gear assembly. | |
Now that your pumps are built and the power is ready, it's time to start them up. Channel out that missing tile and it'll start the pumps (otherwise you can always enable pumping labor on somebody and just start them manually). You will get a little splatter when it starts up, but this is normal and nothing to worry about. It stops immediately and will evaporate after a minute or two. | Now that your pumps are built and the power is ready, it's time to start them up. Channel out that missing tile and it'll start the pumps (otherwise you can always enable pumping labor on somebody and just start them manually). You will get a little splatter when it starts up, but this is normal and nothing to worry about. It stops immediately and will evaporate after a minute or two. | ||
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=== Draining an aquifer layer into a lower one === | === Draining an aquifer layer into a lower one === | ||
− | If your current pumped layer has another layer of aquifer below it, then the first thing you need to do is drill down into that aquifer layer and see if there is another aquifer layer below that. Doing this is called drilling a pilot hole. To do this, dig up/down stairs under the top | + | If your current pumped layer has another layer of aquifer below it, then the first thing you need to do is drill down into that aquifer layer and see if there is another aquifer layer below that. Doing this is called drilling a pilot hole. To do this, dig up/down stairs under the top right set of stairs in the pit. This corresponds to the tile that is being actively pumped dry by the top of the two pumps. Once again, you're looking for a damp stone cancellation once the stairs are dug. |
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− | At this point, you're ready to dig out the aquifer underneath your pumping layer. It's best to do this one | + | At this point, you're ready to dig out the aquifer underneath your pumping layer. It's best to do this one row at a time as doing so avoids "dangerous terrain" cancellations. |
{|class="wikitable1" | {|class="wikitable1" | ||
|-valign="top" | |-valign="top" | ||
− | | [[Image:Pump_aquifer_first_first_row.png|frame|left|Starting just below your pilot hole, dig up/down stairs one | + | | [[Image:Pump_aquifer_first_first_row.png|frame|left|Starting just below your pilot hole, dig up/down stairs one row at a time.]] |
− | | [[Image:Pump_aquifer_first_second_row.png|frame|left|You do it one | + | | [[Image:Pump_aquifer_first_second_row.png|frame|left|You do it one row at a time to avoid cancellations due to the water up above creating dangerous terrain.]] |
|- | |- | ||
| [[Image:Pump_aquifer_first_third_row.png|frame|left|Those cancellations are irritating in that they often require you to re-designate areas of this level of digging.]] | | [[Image:Pump_aquifer_first_third_row.png|frame|left|Those cancellations are irritating in that they often require you to re-designate areas of this level of digging.]] | ||
− | | [[Image:Pump_aquifer_first_fourth_row.png|frame|left|Last | + | | [[Image:Pump_aquifer_first_fourth_row.png|frame|left|Last row! Once this row is done, the aquifer layer directly above this one will be draining directly into this layer.]] |
|} | |} | ||
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− | === Walling | + | === Walling Off and Extending the Stack === |
Walling off the aquifer is extremely easy in the pump-stack method. All you do is dig out every other tile around the staircase, and then put a wall there. You'll almost never get build suspensions doing the walling like this, which is why it was originally pitched as a "no-job-cancellation" method. | Walling off the aquifer is extremely easy in the pump-stack method. All you do is dig out every other tile around the staircase, and then put a wall there. You'll almost never get build suspensions doing the walling like this, which is why it was originally pitched as a "no-job-cancellation" method. | ||
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|-valign="top" | |-valign="top" | ||
| [[Image:Pump_aquifer_first_pumps.png|frame|left|The built pumps. They pump the water out of the channel at the right to the stairs at the left. This water is then pumped out by the pumps on the level above before it has a chance to fall back into the aquifer level below.]] | | [[Image:Pump_aquifer_first_pumps.png|frame|left|The built pumps. They pump the water out of the channel at the right to the stairs at the left. This water is then pumped out by the pumps on the level above before it has a chance to fall back into the aquifer level below.]] | ||
− | | [[Image:Pump_aquifer_second_draining.png|frame|left|Just like with the first level, you have a little room to work with on the | + | | [[Image:Pump_aquifer_second_draining.png|frame|left|Just like with the first level, you have a little room to work with on the left, which is enough to get started.]] |
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− | Once you've done your pilot hole, use up/down stairs to dig out the level one | + | Once you've done your pilot hole, use up/down stairs to dig out the level one row at a time. |
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− | And with that, you're ready for the next level. Just keep adding onto your pump stack until you finally dig a pilot hole without a damp stone cancellation. Once you get that | + | And with that, you're ready for the next level. Just keep adding onto your pump stack until you finally dig a pilot hole without a damp stone cancellation. Once you get that cancellation, finish off the walling of your current working layer, and proceed to the last layer section. |
Also of note: if your aquifer is deep enough, that one water wheel up top probably won't be enough. Adding a second wheel is usually necessary if your aquifer is deeper than 3 layers. | Also of note: if your aquifer is deep enough, that one water wheel up top probably won't be enough. Adding a second wheel is usually necessary if your aquifer is deeper than 3 layers. | ||
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|-valign="top" | |-valign="top" | ||
− | | [[Image:Pump_aquifer_top_wheel2.png|frame|left|A second wheel added to the power generator. In the unlikely event that you need a third wheel, just extend the wall to the West and dig another | + | | [[Image:Pump_aquifer_top_wheel2.png|frame|left|A second wheel added to the power generator. In the unlikely event that you need a third wheel, just extend the wall to the West and dig another row into the drain.]] |
|} | |} | ||
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*Q: Is there a way to do this with dwarf labor instead of power? | *Q: Is there a way to do this with dwarf labor instead of power? | ||
*A: For shallow aquifers, it is certainly possible. With deeper aquifers it becomes less likely as any 1 dwarf taking a break makes the whole pumping chain fall apart. It is probably not entirely impossible, just very impractical. | *A: For shallow aquifers, it is certainly possible. With deeper aquifers it becomes less likely as any 1 dwarf taking a break makes the whole pumping chain fall apart. It is probably not entirely impossible, just very impractical. | ||
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== Links == | == Links == | ||
− | + | Kingbu's original [http://www.bay12forums.com/smf/index.php?topic=143064.0 forum post]. Sadly, the linked video is no longer working. | |
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