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Difference between revisions of "User:MrFake/TwoStepAlternatingRepeater"
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<li> Two switches provide an alternating, repeating trigger with no extra machinery | <li> Two switches provide an alternating, repeating trigger with no extra machinery | ||
<li> Compact design | <li> Compact design | ||
| − | <li> Easily extensible base design (see user [http://dwarffortresswiki.net/index.php/User:Hussell/ClockRepeater Hussell's] extension, or the general case n-step repeater) | + | <li> Easily extensible base design (see user [http://dwarffortresswiki.net/index.php/User:Hussell/ClockRepeater Hussell's] extension, or the general case [http://dwarffortresswiki.net/index.php/User:MrFake/NStepCyclicRepeater n-step repeater]) |
</ul> | </ul> | ||
Revision as of 03:11, 7 December 2009
The 2-step Alternating Repeater
A special case of the n-step Cyclic Repeater. Allows for alternating pressure plate-based switching and deterministic timing using a robust repeater.
Layout
Side View
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Front View
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Legend
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pump outputting to the right | |
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pressure plate | ||
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gear assembly | ||
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axle supplying power | ||
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Description
Both pumps are on floors (not transmitting power), each has a gear assembly connected to it. The left plate connects to the top gear. The right plate connects to the bottom gear. Both plates are set for 6/7-7/7 water. One tile full of water is poured into one side. Lastly, power is applied to both gears. If the water starts on the left side:
- Left plate is active, top gear is disengaged, top pump is off
- Right plate is inactive, bottom gear is engaged, bottom pump on
- Water pumps to the right
- Bottom pump off
- In 100 steps, top pump turns on
- Water pumps to the left
- Top pump off
- In 100 steps, bottom pump turns on
- Repeat at step (3)
Advantages
- Always a single tile of water, so no flowing or sloshing
- Preserves water and doesn't need a water source
- Never breaks the cycle*
- Two switches provide an alternating, repeating trigger with no extra machinery
- Compact design
- Easily extensible base design (see user Hussell's extension, or the general case n-step repeater)
* Not rigorously tested, but theoretically it can't break.
Disadvantages
- For bridges and floodgates, opening/closing always occurs roughly 200 steps apart (i.e. slow)
- For short-trigger devices, device appears to be always active **
- Requires power (30+)
- Takes a bit of time to build (multiple levels and fill with water)
- Requires a minimum of 8 mechanisms, and up to 15+ is easily possible
** Only tested with a door connected to the right plate: the door never closed. It may work better given the right build order. Also, connecting the door (or any short-trigger device) to the left switch could produce better results.