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[AmpsterMan]

So in my most recent embark I have no flowing water but only a few stagnant pools. The first caverns don't have any flowing water either. My main concern is that I want to start using power systems in this fort to pump magma from the bottom of the world to my workshop levels.

To produce enough power to power the pump stacks should I use huge windmill farms or find a way to make the water in my map flow?

PS: Do I need to put a gear assembly next to each pump? If so every pump would require "20 + n" energy where "n" is how far I am from the power generators. An I correct in those assumptions? If so, that seems like a whole lot of peer just to very some magma out of the ground

[pisskop]

You have no aquifer?  That's infinite water to make flow.

Making water flow can be as simple as pushing water over a waterwheel that powers a pump that pushes water over a waterwheel that powers a pump that pushes water over a waterwheel that...

edit:  the aquifer can be legit if you drain it off the map.  Have it drop down a level, push a waterwheel and drain off the map via fortifications.

here:

http://dwarffortresswiki.org/index.php/Waterwheel

[AutomataKittay]

If it's rainy a lot on your map, you could get small dwarven water reactor started up one by one with mass bucket brigades. I've managed to do it on jungle-wet maps, it can take a while, though.

Windmills would be easier and faster to build, though not as powerful for the effort.

[melphel]

Depending on how deep the magma is on your embark, it could take hundreds of windmills to power a magma pump stack.

Since you do have water in pools, you could make a water reactor (a pump moving water to give power to a waterwheel that is powering that pump) to get free energy.  That's kind of cheaty and a fps killer, but you could just deconstruct it when you don't need the pump stack anymore.

Alternatively, if you have enough dwarves, you could just manually power the pump stack.  If you are only going to use it once to bring a finite amount of magma to the surface, there is no need to have a long term powered system.

Or you could use minecarts (made of magma safe material of course).  It doesn't even have to use powered rollers, or track for that matter.  Pump magma over some minecarts on the ground, let it drain, then haul the magma-filled carts to the workshop level.  Set up a track stop that dumps into an adjacent pit and put all the carts on it.

[Dwarfotaur]

PS: Do I need to put a gear assembly next to each pump? If so every pump would require "20 + n" energy where "n" is how far I am from the power generators. An I correct in those assumptions? If so, that seems like a whole lot of peer just to very some magma out of the ground

If I remember right, no. The pumps connect through each other.

[pisskop]

Or you could use minecarts (made of magma safe material of course).  It doesn't even have to use powered rollers, or track for that matter.  Pump magma over some minecarts on the ground, let it drain, then haul the magma-filled carts to the workshop level.  Set up a track stop that dumps into an adjacent pit and put all the carts on it.

This would work too, esp using a multiplication trick.  This one focuses on water, but magma can work too if one takes the proper precautions.

http://www.bay12forums.com/smf/index.php?topic=116413.0

[Uggh]

If there is non-flowing water in the caverns you can make it flow off the map by digging a channel to the edge of the map and carving fortifications. At least that is what I did in my first fort in the same situation.

But don't forget the fortifications at the edge, otherwise you might have to rebuilt part of the system again (again, as I did in the same situation).

[Sutremaine]

Or you could use minecarts (made of magma safe material of course).  It doesn't even have to use powered rollers, or track for that matter.  Pump magma over some minecarts on the ground, let it drain, then haul the magma-filled carts to the workshop level.  Set up a track stop that dumps into an adjacent pit and put all the carts on it.

If you're willing to do a little more work on your end, you can set things up so that you have a bunch of 1x1 dips in the ground. Each of these only needs two carts of magma before it will power a forge, so you need a small number of hauling trips compared to dumping the carts into troughs. Depends how much labour you have spare really. I run small fortresses, so it's better for me to spend a lot of paused time doing setup than it is to have designs that assume a large and permanently available pool of labour.

I'm actually working on calculating how much power you need to run magma up ramps. Even with four ramps I was able to move magma up ~53 levels on three waterwheels (the roller section at the bottom takes 51 power, each 7-level section after that takes 24 power. Each waterwheel added 78 power net to the system, and these were placeable twice every seven levels). A single ramp would be much more efficient, consuming 13 power every seven levels and having a considerably less complex base section, and would still provide enough magma to power workshops.

[goblolo]

if you need magma only for workshops, you simply can power pumps by dwarf power. It is quite fast to get ~10 7/7 magma tiles to the surface.

[Sutremaine]

if you need magma only for workshops, you simply can power pumps by dwarf power. It is quite fast to get ~10 7/7 magma tiles to the surface.

How many levels are you talking here?

[goblolo]

if you need magma only for workshops, you simply can power pumps by dwarf power. It is quite fast to get ~10 7/7 magma tiles to the surface.

How many levels are you talking here?

In one of my fortresses i've done it through abt 70-100 levels.

[DTF]

Does nobody remember the magma piston?
It's lag free, doesnt need power, can be used mulitple times, doesnt require a lot of special materials or constructions.

But yeah, magma carts are generally a faster and smarter idea if you need magma solely for furnaces.