So, experimentation with Magmalings and Waterlings continues.
Part of the ultimate plane for the Rendermax Fortress is to have it be rising from a lake of lava, with a lake of water inside its walls.
Part one is to mine out the above ground lake and build the pyramid in it (I actually do these steps side by side). In previous fortresses, I would have build 4 or so pump stacks reaching into the magma sea and a few more connecting to cavern seas. These pump stacks would reach to z-1, then there would be channels that would transport the magma back down to z-5, allowing the pressurized magma/water to fill their respective areas. This ground fps to about 1 a minute, and takes ~1-2 weeks of me running the fort on nopause while I go to work. dfhack liquids can speed the process up, of course.
I think magmalings could provide an alternative to this. However, there is the issue of the magmalings/waterlings. The durn things are propelled around by the fluid pressure they generate. They can even be propelled through obstructions like vertical steel bars (found that out while filling in the lava for my forgeworks). This could cause problems. In my execution chamber/obsidian farm, I found that while horizontal steel bars on the floor can allow them to deploy magma quickly and efficiently, if you get enough of them on one square, they can melt right through. Also, for some reasons magmaling breeders will transmute back to changlings sometimes.
One plan would be to incorporate magmaling chambers on the outside of the towers that will support the access bridges. However, this would be unsightly.
Any suggestions on how to handle these slippery little buggers?
Edit: Will include some screenies of the obsidian farms in action after work. They are not as impressive as they might sound, sadly, due to magma not giving off light when depth is to shallow.
