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[mrtspence]

I have toyed with a few with moderate success. Could some wise soul show me the light?

Throw your finest repeater designs up here and share your craved knowledge!

[Zrk2]

... Machines are scary... Oh! Sorry! Just studied the Robber Barons and whatnot in history.

[Acperience]

Step 1: Build lever
Step 2: Connect to mechanisms
Step 3: Assign lever to be pulled, put task on repeat.

Done

Simple, elegant, and easily stopped. So fit only for elven scum.

For a different design (this is just from my head, not put into practice)
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. . . .pRp. . . .
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R - restraint with animal
p - pressure plate on either side of 1 tile wide corridor

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. . . .pRxxxxx
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or a single pressure plate at a dead-end corridor
doesn't seem very reliable

[Crashmaster]

http://www.bay12forums.com/smf/index.php?topic=71616.15

[Acperience]

quote the original

Spoiler (click to show/hide)

Code: [Select]

~~~ River/brook
WwW Walls, wall to be channeled out after construction
WBW Raising Bridge (1 tile, direction doesn't matter) linked to plate
WPD Pressure plate set to 7-7, Door for access
WFW Floodgate linked to plate
WWW

just build it, link the bridge and floodgate to the plate, and connect it to the river.

operates on a handy fact that I realized while replying to another post; raising bridges used as a 'door' have the opposite ON/OFF setting of doors/floodgates/hatches. you don't even need an extraneous lever during setup, since the thing starts in the 'ready' position.

-water flows in, plate goes on
-bridge shuts, floodgate opens
-water flows onto floodgate, plate goes off
-floodgate shuts (smashing the water on it), bridge opens
-repeat

I don't know why I'm obsessed with repeaters, the fort I have going right now is just an elaborate testing ground for little mechanical widgets.

optionally, you could leave a passageway beyond the floodgate, and this setup would let in a slow but steady stream of water, removing any pressure in the process. it also has the odd (and potentially very useful) effect of keeping the passageway/cistern beyond the floodgate at a maximum of 3-4 water (probably because it reaches an equilibrium where the cistern is at 3-4, so it lets in a maximum of 3-4 water each cycle, then smashes a tile of 3-4)

[Quietust]

I personally prefer MrFake's N-Step Cyclic Repeater - it uses pumps and pressure plates, and its rate of operation is very consistent (enough so that you can use it to run a clock). When I used the floodgate/bridge-based repeater in a 40d fort, it caused significant lag each time it toggled (due to pathing info being updated?).