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[chonger]

Using a lever to close a floodgate destroys any water on the square the floodgate occupies. So I thought this could be a way to drain a full cistern. To test this, I created a little pool of water, then placed multiple floodgates in the pool and hooked up all the floodgates to a lever.

Having a dwarf pull the level repeatedly quickly took the pool of 7/7 water down to 1/7.

This seems like an easy (if not cheap) way of quickly getting rid of excessive water from a cistern. I didn't find similar ideas on the forum. Is anyone else doing this?

[kcwong]

Great idea!

In my current fort I just dumped the water to the edge of the map, with some walls to restrict the flow a bit. With your system I may be able to save some CPU cycles, without the water flowing off the map and the long sewer.

Maybe we can take it one step further - have a single square behind the flood gates, place a pressure plate on it and set it to trigger the flood gates once it has 7/7 water?

[Warlord255]

Great idea!

In my current fort I just dumped the water to the edge of the map, with some walls to restrict the flow a bit. With your system I may be able to save some CPU cycles, without the water flowing off the map and the long sewer.

Maybe we can take it one step further - have a single square behind the flood gates, place a pressure plate on it and set it to trigger the flood gates once it has 7/7 water?

An automated water atom-smasher?...

BRILLIANT.

[chonger]

Maybe we can take it one step further - have a single square behind the flood gates, place a pressure plate on it and set it to trigger the flood gates once it has 7/7 water?

After thinking about it. We'll need to make a bit of modification to this scheme. Simply having the pressure plate trigger (close) the floodgate will leave the floodgate up (or closed). But you need a way to open it so that it can destroy water again. Perhaps a better way is to have the pressure late linked to two sets of floodgates. One set will be open when the other set is closed. This approach will continue to destroy water automatically.

[Pilsu]

Alternatively fill a 2 tile channel & stair/ramp with buckets so it has 3 and 4 tiles of water. The extra one will keep flowing back and forth and trigger pressure plate set to activate at a depth of 4

[Tormy]

Using a lever to close a floodgate destroys any water on the square the floodgate occupies. So I thought this could be a way to drain a full cistern. To test this, I created a little pool of water, then placed multiple floodgates in the pool and hooked up all the floodgates to a lever.

Having a dwarf pull the level repeatedly quickly took the pool of 7/7 water down to 1/7.

This seems like an easy (if not cheap) way of quickly getting rid of excessive water from a cistern. I didn't find similar ideas on the forum. Is anyone else doing this?

The question is: what happens to the water when you use this water smashing method. It's kinda weird that it disappears.

[BurnedToast]

I used this same method to get rid of leftover magma from my merchant melting machine.

Drawbridges work as well, I think.

[Magua]

Drawbridges are even better, as they can smash 100 tiles of water at once.

[Jurph]

The question is: what happens to the water when you use this water smashing method. It's kinda weird that it disappears.

It leaks into the imperfections of the stone hinges, and trickles into cracks in the nearby rock... it splashes over the sides but to a depth of just-slightly-less-than-1... the sloshing makes it evaporate faster... or something.  I think what you're missing is that all Dwarvish constructions include a small amount of the Handwavium (elemental: Hw) which, like Unobtanium (Ub), helps the Mountainhomes defy physics.

[Tormy]

The question is: what happens to the water when you use this water smashing method. It's kinda weird that it disappears.

It leaks into the imperfections of the stone hinges, and trickles into cracks in the nearby rock... it splashes over the sides but to a depth of just-slightly-less-than-1... the sloshing makes it evaporate faster... or something.  I think what you're missing is that all Dwarvish constructions include a small amount of the Handwavium (elemental: Hw) which, like Unobtanium (Ub), helps the Mountainhomes defy physics.

Okay, okay...so you think that it's realistic. 

[IndonesiaWarMinister]

The question is: what happens to the water when you use this water smashing method. It's kinda weird that it disappears.

It leaks into the imperfections of the stone hinges, and trickles into cracks in the nearby rock... it splashes over the sides but to a depth of just-slightly-less-than-1... the sloshing makes it evaporate faster... or something.  I think what you're missing is that all Dwarvish constructions include a small amount of the Handwavium (elemental: Hw) which, like Unobtanium (Ub), helps the Mountainhomes defy physics.

Okay, okay...so you think that it's realistic. 

It's scientific! How dare you question it? Heresy!

[chonger]

Alternatively fill a 2 tile channel & stair/ramp with buckets so it has 3 and 4 tiles of water. The extra one will keep flowing back and forth and trigger pressure plate set to activate at a depth of 4

Good idea. I'll have to try it out.

I started to try out the method I mentioned before but it didn't work. I thought I can connect a lever to two sets of floodgates where one set is open but the other set is closed. But it seems levers do not work that one. After pulling the lever, it syncs up both sets of floodgates.

[Duke 2.0]

Drawbridges are even better, as they can smash 100 tiles of water at once.

That's what I do. All of my flood chambers have drawbridges on the bottom for excess water smashing.

 It ain't dwarven unless it has the chance of causing horrific accidents.

[chonger]

It ain't dwarven unless it has the chance of causing horrific accidents.

I thought I had tested the water smasher bridge method. But I think I must've accidentally constructed a retracting bridge instead of a draw bridge. As you know, a retracting bridge isn't very good at smashing.

I am switching from using floodgates to using drawbridges for doing this now.