Life support: Difference between revisions

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Life support is vital to the survival of a [[ship]]'s [[Crew Member|crew]] and [[Civilian|passengers]]. It consists of systems that regulate an oxygen-rich, [[CO2|CO<sub>2</sub>]]-poor atmosphere of the engineering and [[Habitation Deck|habitation]] decks. The atmosphere
A [[ship]]'s [[Crew Member|crew]] and [[Civilian|passengers]] require:
* [[Oxygen]]
** Crew can survive in [[spacesuit]]s, so long as they are refilled with oxygen periodically, but civilians can't wear spacesuits and require an [[atmosphere]].
* [[CO2|CO<sub>2</sub>]] removal (if an atmosphere exists).
* [[Food]]
* [[Water]]
* [[Sewage]] removal is not yet required (as of Alpha 14), but presumably will be at some point.


The [[Getting Started#Atmosphere|most basic life support system]] consists only of an [[airduct]] connected to [[oxygen]] and [[power]] sources. During a standard game, this will likely consist of a [[reactor]] and an airduct, each connected to loaders and supplied with [[oxygen]] and [[fuel]] [[canister]]s. However, this system's shortcomings become apparent as the CO<sub>2</sub> level rises.
==Resource Management==
===Buy/Sell===
Oxygen, food, and water can all be purchased. CO<sub>2</sub> and sewage can be bottled with a [[loader]] and sold.


== Removing CO<sub>2</sub> ==
===Harvest===
All resources can be collected from post-combat debris.


The ship's population will slowly generate CO<sub>2</sub>, which will build up in the atmosphere. If the CO<sub>2</sub> level becomes too great, the population will begin to suffocate. To keep a healthy atmosphere, the CO<sub>2</sub> must be removed by using a [[CO2 Scrubber]], which can be connected to an [[Air Reprocessor]] to generate oxygen.
[[Ice]] can be harvested from [[Ice Comet|comets]] with [[Mining Laser|mining lasers]] and then processed into water. Oxygen can be produced from water with an [[Oxygen Maker|oxygen maker]], though this risks using up the water supply if not monitored.


== Refilling space suits ==
===Recycle===
With the right equipment, CO<sub>2</sub> and sewage can be recycled back into oxygen, food, and water. [[Research]] can increase the quantity of resources recovered from this process.


[[Space Suit]]s contain 100 units of oxygen each, allowing crew members access to a breathable atmosphere in the event of a hull breach. Space suits can be refilled by installing a [[Spacesuit Pod]] connected to an oxygen line. Crew members will bring the suits, one by one, to the pod to refill the oxygen tanks.
Example recycling systems:
*[[CO2 Scrubber]] ⇒ <code>[[CO2]]</code> ⇒ [[Air Reprocessor]] ⇒ <code>[[Oxygen]]</code>
*[[Sewage Pipe]] ⇒ <code>[[Sewage]]</code> ⇒ [[Waste Treatment Machine]] ⇒ <code>[[Waste Water]]</code> and <code>[[Compost]]</code>
**<code>[[Waste Water]]</code> ⇒ [[Water Purifier]] ⇒ <code>[[Water]]</code>
**<code>[[Compost]]</code> and <code>[[Water]]</code> and <code>[[Seeds]]</code> ⇒ [[Hydroponic Garden]] ⇒ <code>[[Food]]</code> and <code>[[Seeds]]</code>


== Separating atmospheres ==
====System Losses====
In one hour a crew member will consume 3 food and 20 water, and produce 22 sewage. With all [[research]] completed:
*This sewage will convert to 22 water and 2.75 compost.
*More than 3 food can be produced from this compost, but producing only the needed 3 food will consume 3 water.
In total 23 water is consumed while only 22 is returned, so supplemental water will be necessary.


On vessels that carry civilians, it is advisable to create separate atmospheres. Civilians can't wear space suits, and the atmosphere passes freely through ladders to and from the [[Habitation Deck]]. If the area beneath a ladder loses atmosphere, so does the area of [[Habitation Deck]] it is connected to. The player can help keep civilians alive in case of hull breaches by separating the ladder area from the rest of the ship's atmosphere by installing a hull, a door, and an airduct with a proper oxygen supply.
[[Category:Getting started]]
 
[[Category:Game mechanics]]
== Connecting to other systems ==
 
When creating a self-sufficient ship, players can look into connecting the output of a functioning [[Logistics#Sewage processing|sewage processing system]] to the life support system via an [[Oxygen Maker]]. This helps to create oxygen from [[water]] but also requires keeping an eye on the oxygen and water levels to ensure they are within reasonable levels. In some cases, the oxygen maker might overproduce oxygen and leave no water for the population to drink, leading to dehydration.

Latest revision as of 00:02, 23 April 2025

A ship's crew and passengers require:

  • Oxygen
    • Crew can survive in spacesuits, so long as they are refilled with oxygen periodically, but civilians can't wear spacesuits and require an atmosphere.
  • CO2 removal (if an atmosphere exists).
  • Food
  • Water
  • Sewage removal is not yet required (as of Alpha 14), but presumably will be at some point.

Resource Management[edit | edit source]

Buy/Sell[edit | edit source]

Oxygen, food, and water can all be purchased. CO2 and sewage can be bottled with a loader and sold.

Harvest[edit | edit source]

All resources can be collected from post-combat debris.

Ice can be harvested from comets with mining lasers and then processed into water. Oxygen can be produced from water with an oxygen maker, though this risks using up the water supply if not monitored.

Recycle[edit | edit source]

With the right equipment, CO2 and sewage can be recycled back into oxygen, food, and water. Research can increase the quantity of resources recovered from this process.

Example recycling systems:

System Losses[edit | edit source]

In one hour a crew member will consume 3 food and 20 water, and produce 22 sewage. With all research completed:

  • This sewage will convert to 22 water and 2.75 compost.
  • More than 3 food can be produced from this compost, but producing only the needed 3 food will consume 3 water.

In total 23 water is consumed while only 22 is returned, so supplemental water will be necessary.

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