40d Talk:Screw pump

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See /archive1 for discussions before July '08. Most discussion was regarding page development which has been implemented. There are a few comments which might help people trying to work things out but most of it is in the article.GarrieIrons 00:56, 5 July 2008 (EDT)

Two versions of the L-shaped tunnels design

As I said when I removed it, there is no point having two. Do not add mine back in again. --Juckto 21:57, 25 July 2008 (EDT)

You'd also cut how to set up water wheels & connect them to the pump tower. I wasn't 100% certain how to diagram connecting the wheels to the smaller tower design so I thought it best to restore the whole section until someone added that into the L-shape design. Calenth

Pumping Magma?

Would this work if the pump was made of magma-safe materials? --Mizzy 21:10, 27 July 2008 (EDT)

Please check a talk page's archives before asking a question. --Edward 02:46, 28 July 2008 (EDT)

An edit to the Stupid dwarf trick page implied that only the blocks need be made of magma-safe materials. This needs to be studied further. --Raumkraut 17:28, 2 August 2008 (EDT)

I have been building magma pumps out of wood (pipe/screw) and stone blocks for ages now; there are no detrimental effects. Since non-bauxite/non-raw adamantine stones are not magma safe, presumably a wooden block will work as well (a waste of logs if you have stone, though). It is only an issue if any part of the pump (namely, the walkable end) is going to be submerged in magma. You're probably working with a poor design if your pumps are submerged in what they're pumping, but whatever. In that case your best bet is to use green glass tubes/screws/blocks, if you have sand. Metal is a last resort. --Pavlov 20:59, 27 October 2008 (EDT)

Wait - glass is magma-safe? what's its melting point? Random832 23:29, 27 October 2008 (EDT)

Just tried to build a pump using a nickel block with a wooden screw and a wooden tube. All it created was a huge mess and a bit of smoke and fire. Luckily, the pump is separated enough from my fort that I can just let the magma cool before moving back in.--Alkyon 00:57, 28 October 2008 (EDT)

Self powered pumps

So I'm just starting a new fortress, its got everything but an easy to make moat, but there is a river start to the east a little and two or three levels lower than my entrance. So, what I'm wondering is, is there some easy way to get a hydraulic powered pump going off of the power of the water being pumped (after the dwarves do the initial pumping). Also if anyone has diagrams or something of how to easily bring water up two or three levels (or possibly higher if theres some advantage to having water fall from a height). Sorry if this is kind of stupid or answered or anything, last time I played the game it had 1 level and I never got too much into mechanics farther than floodgates (lots of complicated and redundant floodgates as I recall) so I've never tried a pump or waterwheel. I'd rather not screw up this map (its just short of perfect, major magnemite deposits with limestone being the main component to the mountain overall, access to every civ, its Cold [I'm from Canada so I like the cold], has good hunting and a major river start). Thanks --Lowlandlord 15:43, 31 July 2008 (EDT)

Place a waterwheel in the original river to supply power. You can raise water multiple levels by the methods described here. --Juckto 20:01, 31 July 2008 (EDT)

Thanks --Lowlandlord 01:57, 1 August 2008 (EDT)

Note that if you bring the water up higher than the moat, it will (not might. will.) overtop your moat. That's a good way to flood your fortress. Random832 16:07, 14 October 2008 (EDT)

An example of the multi-level pump including power source, gear assemblies and axles would pretty much make my entire month. Anyone up to the challenge? Pretty please? RomeoFalling 22:09, 14 October 2008 (EDT)

Front vs rear

Do I understand correctly that the 'front' tile (i.e. blocks water flow) is the one where the water comes out of?

Sort of - it actually just 'spawns' water in the tile on the opposite side of that tile from the rear walkable tile, an amount equal to that which is removed a z-level down. --Sukasa 16:19, 14 October 2008 (EDT)

But either way, the output side blocks flow (so if in a narrow channel water cannot backflow through the pump if it is turned off), right? I need to know this for a design. Random832 16:31, 14 October 2008 (EDT)

Yes, you are correct. I too was confused by the use of the word "front", as my perception is that the "front" of a pump would be where the water goes in, not out. --Raumkraut 04:14, 18 October 2008 (EDT)

Alternate vs. other

Alternate generally means "in turn" or "in place of" -- not "as an alternative".[1][2] But "alternative" can have its own problems,[3] which is why I would recommend "other uses" here.--Maximus 20:05, 22 October 2008 (EDT)

While I appreciate the need for clarity, I don't think either word particularly changes the scope, knowledge, breadth or content of the page. I suggest that both words work equally well. --RomeoFalling 21:31, 22 October 2008 (EDT)

May I ask for people's permission, then, to change it to 'other'? The function of the page may not be substantially affected by it, but I hate to be unable to correct what I understand to be an error. 'Course, if no one agrees, I'll let it drop.--Maximus 11:28, 23 October 2008 (EDT)

Pump + Stairs = Win?

Is there any reason why I can't use the stairs as the open space that I'm pumping water from?

Side View   Top Views   Key
######      ######   
#v->__      #v->^#      -> or <- : Direction of pump
#^<-v#      ######      v : down stairs
#v->^#      #^<-v#      ^ : up stairs
#^<-v#      ######      # : Wall
____^#                  _ : space

I came up with this right after exiting the game. I'll try it out soon. --RomeoFalling 10:02, 23 October 2008 (EDT)