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[Refar]

As the title says... While building my powerplant i noticed that the waterwheels kept turning and providing power even after i cut off the river with floodgates.
I then tried to build a few water wheels over closed pools, and they do provide power as well...
So apparently a watewheel only needs to be built over a pool of water - flow does not matter...
Maybe everyone know it already... But i kind of did not expected this from reading the wiki.
Makes building these Perpetum Mobile machines a lot easier 

[Random832]

Probably a workaround for the fact that a 7/7 "flowing" body of water [brook, river, channel] isn't technically flowing except at the ends (there are issues with it not pushing objects, IIRC)

[Pilsu]

Are they entirely 7/7? One 6/7 spot would be enough to make water splash about

[Grumman]

Mine does not. Even when pumping 25 squares of water into or out of the river, the water wheel does not generate power.

[Refar]

All full at 7/7

[andrea]

maybe at some time they became flowing water?

i have a big pool on an aquifer that is flowing water... but there is no flow. it has been that way since i drained the river there to dam it. now no more water enter there, but it is still "flowing". and i use it to power water wheels. never tryed with murky pools.

[Random832]

maybe at some time they became flowing water?

i have a big pool on an aquifer that is flowing water... but there is no flow. it has been that way since i drained the river there to dam it. now no more water enter there, but it is still "flowing". and i use it to power water wheels. never tryed with murky pools.

I read there's an aquifer flow bug - once the water has started flowing, it will flow out of the aquifer at one end and into it at the other.

Probably works for the ocean, too.

[Refar]

I only have a small underground river (now cut with floodgates) and a reservoire i filled out of this river.
But it is probably something like this - there was a flow once, so perhaps the tiles got flaged as flow.

[SombreChapaeu]

well personally for my huge power plant I had to chop down 5 z levels to the cave river, set up an elaborate system of pumps, and then make an exit back out so the main power source would work, generates 3600 power though.

[_Acorn_]

I thought it was a bit strange that my closed system was flowing.  I channeled out long, winding pipe w/ in-line cistern at the level of an underground river, put a door at the end of the tube that would release the water into a chasm, and built a 3100 dwarf-power engine over it.  The door was set to open at 5 units of water.

With the door still closed and some 4's of water collecting in the general area of the water wheels, the engine started.

[Grek]

You can use this effect to produce infinite water:

Code: [Select]

...... V - down ramp
..V... ~ - 7/7 of water
.~~#.. # - waterwheel
.~%#*. * - gear assembly
.~%#.. % - screw pump
...... . - floor