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[whiterook6]

Hey, hope this hasn't been asked a dozen times, but is there a guide or something to construction machines/etc to control water? I always see people saying, "just flood a chamber" but this means ... what? two floodgates, some pumps, and mechanisms? how do I tunnel the water up? (I'm too type-a/perfectionist to try it screw up, lol).

Also, I want a magma cannon. Is that too much to ask?

[Eruonen]

This should help: http://www.dwarffortresswiki.net/index.php/Irrigation

[gerkinzola]

magma cannon? if you can figure out how to fire magma at enemies do tell...

[Troas]

Perhaps you could try dripping some magma onto a bauxite drawbridge and flinging it?

[Boatmurderer]

quote:Originally posted by Troas:
<STRONG>Perhaps you could try dripping some magma onto a bauxite drawbridge and flinging it?</STRONG>

That sounds more like a Magma Catapult. As far as a magma cannon, I don't think a screw pump can be made of Bauxite. What else resists magma? Also, magma is a chunky fluid, so it doesn't build up pressure like water.

There's always the Boatmurdered option of setting your lava flow up to pour out onto the plains, but that takes some serious work.

[Derakon]

You can make screw pumps out of steel components and bauxite mechanisms.

And magma will flow pretty darn fast if you tap into it low down, when there's lots of it above you. Wouldn't be a cannon, but you could make a magma holding tank above your fort entrance, set to disgorge its contents on whatever happens to be below.

[Jay]

Screw pumps are completely safe if made out of Steel and using Bauxite mechanisms.
Just make sure you protect your worker from backwash, or he'll probably get set on fire.

code:

====+O===
====+O===
====PP~~~
====+O===
====+O===
Pumping:
<------
Key:
= Empty space
O Wall
+ Floor
P Pump
~ Lava one Z-level below

Honestly this is just what I've heard from others, so I'd suggest using an expendable dwarf and somewhere not connected to your main fort to see how this works before using it in your fort.

[Tayrin]

Yeah, it should be fine if every single component of the screw pumps is magma-safe. The wiki tells me iron works for that, and it seems to in my fortress, or at least for the blocks. I haven't tried it with iron pipe sections yet.

Screw pumps don't use mechanisms themselves; the gear assemblies that power them do. I've only ever made mechanisms out of regular rock, and my whole volcano-draining system works perfectly safely (by dwarven standards, anyway). I accomplished this by making sure that all of the gear assemblies were safely above the screw pumps, in a chamber that was essentially sealed off from the area that would contain magma. As long as the screw pumps don't melt, the magma won't touch the gear assemblies.

[Inquisitor Saturn]

Actually, I find that magma won't burn screw pumps if the block is simply not made of wood. I am using wooden pumps with rock blocks in my current fortress to move magma up a pump ladder. And yes, temperature is turned on.

[polpoint]

I use glass everything for magma pumps - blocks, screws & tubes (& floodgates) you only need bauxite for the first mechanism in a lava-stopping floodgate.

steel is more useful in weapons & armor

lava is fun!

[Boatmurderer]

glass tube & screw pumping magma? That's gotta look pretty!

[Skanky]

Actually, I find that magma won't burn screw pumps if the block is simply not made of wood.

Technically true. Magma won't burn screw pumps if there is no magma where the dwarf sits on the pump. So a screw pump won't burn if the block isn't made of wood, true, but it also won't burn if the block *is* made of wood. The solid end of the screw pump is equivalent to a wall - it will never burn.

[RebelZhouYuWu]

What you do is pump up magma and water into a gaint tower and have both of them flow out freely turning the magma into obision mid-air.