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[redrowen]

Hello all!

Quick question regarding pumping power.

I need to create a stack pump that will reach close to 27 floors deep.  It appears as though a Windmill (40 power) will not be near enough to power this monstrosity.  About 4 floors will be vert axles.

Any suggestions on what I would want to do to handle such a project?  I was thinking maybe I could use a single pump on the top floor with 2 water wheels instead of the Windmill, that may work better?

* Edit: Would it be possible to attach multiple windmills all to the same vert axle (create a huge windmill farm so to speak) that just pumps a ton of power down?

I'm still pretty new to DF, not to sure how to handle this best

Any suggestions welcome!

[Dwarfler]

Well, screw pumps each require 10 power.  Windmills provide 40 power at most depending on weather conditions on your map, so for a 27-level pump stack windmills are going to be totally impractical.  You'll need to chain at least three water wheels together (they generate 100 power but also consume 10 for a net gain of 90), probably four to be on the safe side since you'll presumably have some axles and gears and whatnot.  Also if this is your first big waterworks project, be sure you save before beginning and periodically throughout.  They can seem simple on paper, but when you get into actually doing it step-by-step you will find there are a million places where you can do something slightly wrong and screw the whole thing up.  Good luck!

[redrowen]

hahah i've done a million things wrong just just figuring out how to properly channel and connect a few vert axles  

I am sure i'll have a huge problem doing this but it will be fun!


In regards to stacking waterwheels, can one waterwheel power the one beside it?   For example:

WWWPWWW
WWWPWWW
WWW WWW

?

[Quietust]

can one waterwheel power the one beside it?

Yes.

[blue emu]

If you have an Aquifer on your map, the easiest solution is to set up a waterwheel farm... use a pump to pump Aquifer water out from under the wheels and spin them, and route some of the power that this generates back around to run the pump. Dwarven perpetual motion.

Like this:

[Triaxx2]

Also don't forget to head to the Wiki and look up Dwarven Water Reactor.

[Argelle]

Also don't forget to head to the Wiki and look up Dwarven Water Reactor.

I did, as I'm in same situation as OP (only 23 Z levels), and now I'm confused:

Dwarven Water Reactor
(..)
This compact design, once started, produces 170 surplus power

I'm in the middle of building a magma pump and I based my design on this info, but:

Well, screw pumps each require 10 power.  (..)  You'll need to chain at least three water wheels together (they generate 100 power but also consume 10 for a net gain of 90)

The difference 170/2=85 versus 180=2*90 coming from some axles or gear?

[NecroRebel]

2 water wheels produce 100 power each. 2 water wheels drain 10 power each. 1 pump drains 10 power each. The water reactor has 2 water wheels and 1 pump; the water wheels drive the pump (and whatever else you have attached to the reactor), while the pump drives the water wheels. 100+100-10-10-10=170 net power. Without the pump, the water reactor doesn't function.

You could net 180 power from 2 water wheels, but you'd have to do it without (that particular) perpetual-motion setup.

[Triaxx2]

I like to use the mini-reactor as a starter system to start larger ones. The hard part is getting water into the mini-reactor, without having it run over, or dry out. Of course it's also a problem with bigger ones, but it tends to be less annoying.

[blue emu]

That's why I prefer to embed my reactors in an Aquifer layer... you don't need to worry about filling them, or about spills or drying out. The water level is self-adjusting.