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[thepodger]

In the last few versions, I happily channeled magma right to my smithing operation, confident that lava did not respond to "pressure" like water.  On my last fortress, this did not work as smoothly.  As soon as the lava hit "7/7," it kept pouring in... and broke the surface, maiming many of my dwarves.  Is this new behavior, something I missed earlier, or a bug?

[elipsis]

uhh. uh oh. hmm did this get changed? I JUST filled a channel with magma and built my forge around it. will it..'overflow' now? it's built near the bottem of a tall column of magma.

[Torak]

If you dig a tunnel on one Z-level, (such as on the same level as the workshop and the magma are on) and then bring that tunnel down 1 Z, and then make the hole above that lowered Z, it will fill back up to it's original height (to the level of the workshop, for example)

It's because of the "U bends in tunnel make infinite liquid/magma" because the pressure system doesnt know how to handle it.

Protip for any kind of channeling: Keep it on the same Z, G.

[MyBeardIsOnFire]

Every time we channel off a cone of magma and it's not overflowing, Pascal spins in his grave.

[Aspartic]

quote:Originally posted by MyBeardIsOnFire:
<STRONG>Every time we channel off a cone of magma and it's not overflowing, Pascal spins in his grave.</STRONG>

Maybe magma in DF has very high viscosity, along with a strong surface tension that barely lets it move though those narrow magma tunnels we Dwarves like to dig?

[grelphy]

Actually, it would work if magma and air were equally dense. That doesn't explain why lava fails to float in air (for example, when you cavein roof of a magma tube and lava splashes everywhere...), and it also implies that water is more dense than lava (O_o), but otherwise, it's a serviceable explanation...