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Airlock: Difference between revisions

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{{Era|Forerunner|Human|UNSC|HCW|RW}}
{{Era|Forerunner|Human|UNSC|HCW|RW}}
[[File:1208375252 Airlock-floorsign.gif|thumb|UNSC airlock floor sign]]
[[File:1208375252 Airlock-floorsign.gif|thumb|UNSC airlock floor sign]]
An '''airlock''' is a device which allows passage between a pressurized space, such as the interior of a ship, and a vacuum, while minimizing the change of pressure in the vessel and loss of air from it. An airlock consists of a small chamber with two airtight doors in series which do not open simultaneously. Also, some airlocks on ground prevent compression, such as underwater excursions akin to the space compressions.
An '''airlock''' is a device which allows passage between two areas of drastically different pressures and/or atmospheric composition, while preventing the exchange of gases and pressure. They are most commonly used on spacecraft, where they allow safe passage between the pressurized interior of the ship and the vacuum of space. An airlock consists of a small chamber with two airtight doors in series, which do not open simultaneously.


On [[United Nations Space Command|UNSC]] spacecraft, [[hangar bay]]s, [[Class-3 Enclosed Heavy Lifeboat|lifepod]] or [[Single Occupant Exoatmospheric Insertion Vehicle|HEV]] launch areas are typically equipped with airlocks, used to prevent pressure loss from exposure to vacuum either due to a hull breach or the deployment of a lifepod or HEV.<ref>'''[[Halo: The Flood]]'''</ref> [[Halcyon-class cruiser]]s, in particular, employ them as redundancy features for survivability during combat with [[Covenant Empire|Covenant]] warships. The {{UNSCShip|Hopeful}} also had an airlock large enough to cycle a fleet of dropships simultaneously.<ref>'''Halo: Ghosts of Onyx''', ''page 99''</ref>
On [[United Nations Space Command|UNSC]] spacecraft, [[hangar bay]]s, [[Class-3 Enclosed Heavy Lifeboat|lifepod]] or [[Single Occupant Exoatmospheric Insertion Vehicle|HEV]] launch areas are typically equipped with airlocks, used to prevent pressure loss from exposure to vacuum either due to a hull breach or the deployment of a lifepod or HEV.<ref>'''[[Halo: The Flood]]'''</ref> [[Halcyon-class cruiser]]s, in particular, employ them as redundancy features for survivability during combat with [[Covenant Empire|Covenant]] warships. The {{UNSCShip|Hopeful}} also had an airlock large enough to cycle a fleet of dropships simultaneously.<ref>'''Halo: Ghosts of Onyx''', ''page 99''</ref>


The Covenant typically employ [[energy barrier]]s in place of physical airlocks.
The Covenant typically employs [[energy barrier]]s in place of physical airlocks. Certain UNSC facilities also employ energy barriers for this purpose, presumably having reverse-engineered Covenant or Forerunner versions.


==Known airlocks==
==Known airlocks==

Revision as of 20:14, September 7, 2012

UNSC airlock floor sign

An airlock is a device which allows passage between two areas of drastically different pressures and/or atmospheric composition, while preventing the exchange of gases and pressure. They are most commonly used on spacecraft, where they allow safe passage between the pressurized interior of the ship and the vacuum of space. An airlock consists of a small chamber with two airtight doors in series, which do not open simultaneously.

On UNSC spacecraft, hangar bays, lifepod or HEV launch areas are typically equipped with airlocks, used to prevent pressure loss from exposure to vacuum either due to a hull breach or the deployment of a lifepod or HEV.[1] Halcyon-class cruisers, in particular, employ them as redundancy features for survivability during combat with Covenant warships. The UNSC Hopeful also had an airlock large enough to cycle a fleet of dropships simultaneously.[2]

The Covenant typically employs energy barriers in place of physical airlocks. Certain UNSC facilities also employ energy barriers for this purpose, presumably having reverse-engineered Covenant or Forerunner versions.

Known airlocks

Gallery

List of appearances

Sources

  1. ^ Halo: The Flood
  2. ^ Halo: Ghosts of Onyx, page 99