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[franti]

I've decided to try the magma flamethrower. It's a 3x30 Hallway, with a pair of raised bridges holding back a lot of pressurized magma. Grates drain the magma back into the cistern that holds it.

[franti]

By the way, I've noticed that trolls will path to the landmines and just sort of chill out around the pressure plates. Eventually they'll smash the grate. Does destroying rock grates take a fixed amount of time or anything?

Destroying the grates doesn't actually hurt anything, and it's only a matter of time before one of the trolls steps on a pressure plate and melts the squad, so it's no problem.

Anyway, I haven't done anything new with this just yet because I've been busy with, e.g., trying to get my Duchess and Queen both married off. Duchess is, now working on the Queen.

Build a large number of single-tiles rock roads around them, with pessure plates spaced intermitently, and trolls will die in droves.

[Frogwarrior]

That's a good idea.

In other news:




Yes, that Forgotten Beast is on fire. Two of the other five Forgotten Beasts in that magma channel are melting. One is made of olivine and thus obviously won't melt. The other is made of snow and won't melt.

Huh.

AT ANY RATE.
Basically I built a really long twisty corridor leading from the cavern layer to the middle of my fortress with these 5 beasties (I had it sealed off for a LONG time because of a nasty forgotten beast or two with a fatal dust attack) and, somewhere in the middle of the corridor, a door leading to pressurized magma. In front of the door was a one-use pressure plate set to activate on magma, which closes drawbridges at both ends of the corridor (the fortress end and the cavern end). The cavern end was exposed, and all five beasties pathed into the fort and rushed in... right up to the door to batter it down. (Fortunately, the miner who let them in was JUST able to escape before the corridor closed and filled with magma!)

[Number4]

The other is made of snow and won't melt.

Huh.

Fridge Logic.

[Frogwarrior]

XD

In other news: The magma landmines were even MORE effective in the most recent siege. Since I locked the elf caravan out with the goblins, and the entire goblin army chased them until someone inevitably stepped on a landmine. And then everyone melted.

Guys I weaponized elves; the way you weaponize them is to have them get murdered in such a way that the goblins die horribly as well.

[krenshala]

Guys I weaponized elves; the way you weaponize them is to have them get murdered in such a way that the goblins die horribly as well.

I ... I think ... you took your Dorfiness to 11!     

[Dradym]

this has finally inspired me to mess with pumps and such, thank you

[BeforeLifer]

*bump* THIS MUST BE SEEN!

[melkorp]

Dwarven Welcome Mat? 
Dwarven Lawn Sprinkler?
Dwarven Bidet?

[plynxis]

Frogwarrior, you sir are my new best hero

thats best friend and hero combined

congrats

[Frogwarrior]

The right half of my map is regularly completely flooded with magma. I had to build a wall around the river (and the artificial lake I just dug) to keep it from being thoroughly obsidian'd. After every invasion, I run the risk of my haulers going for a troll fur sock right next to spreading magma, or a mountain goat randomly triggering one a moderate distance away.

It's kind of awesome.

[Kofthefens]

I understand that it works, but I don't understand how it works. Could someone smarter than me explain it to me?

[Corneria]

I understand that it works, but I don't understand how it works. Could someone smarter than me explain it to me?

http://www.youtube.com/watch?v=a01QQZyl-_I&ob=av3n

[Eric Blank]

Toady ought give you a custom title along the lines of "sarcastic bastard."

I understand that it works, but I don't understand how it works. Could someone smarter than me explain it to me?

Basically, when you pump magma it gains pressure same as water. In this trap, you place a floor hatch or other similar item over a hole in the ground, at least one but preferably more z-levels below the pump you used to pressurize the magma, connected by underground tunnels to that magma. When the hatch is opened by a pressure plate/dumb troll, magma that was trapped in the tunnel spews out and kills everything.

[Girlinhat]

To simplify: There's a pump stack at a higher level.  All the pumps face the same way, depositing magma into a tube.  This tube goes down, over, and up, but it doesn't go up as high as the original pump stack.  Magma pushed through a pump will teleport to the next empty square it can path to that is below the pump's level.

A dumb picture:

Code: [Select]

pP~|
 | |
 | | |~~>
 | |_| |
 |_____|
As long as the output is below the pump, the magma will flow.