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--- info:technology:doors [2026/04/10 16:06] – Jarvis
+++ info:technology:doors [2026/04/10 16:16] (current) – Continued work Jarvis
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 This is for safety reasons; in an emergency, doors have to be openable on the ship to avoid people getting trapped. Therefore, it is fairly easy for anyone to unlock any door, but only relatively few people can clear the violation indicator to act as a deterent for casual violation of other people's privacy.
-High security doors, for example the one used on the armory, require a special tool or basically a physical key to unlock manually. It still isn't that hard to force it open -- an engineer with a metal cutting tool could force it open as an example -- but it prevents access without a noisy and obvious amount of hassle.
+High security doors require a special tool or basically a physical key to unlock manually. It still isn't that hard to force it open -- an engineer with a metal cutting tool could force it open as an example -- but it prevents access without a noisy and obvious amount of hassle. Usually the use of heavy duty interior doors is selected instead of a high security door, but it is worth mentioning them because they do exist.
 The E-Ink plates are networked, and doors can be remotely locked, unlocked, and their open/closed/forced status can be detected and logged. It is a common emergency practice to lock all passenger doors to keep them from wandering around and getting into trouble.
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 So when these doors open, they are first pulled out of the locking surface and then they slide open to the sides; from the user's perspective, it looks like the door first moves a little towards (or away) from them before sliding open. It is common for there to be a little air-pressure 'puff' when the doors are either moving into or out of this fully locked position.
+Unlike interior doors, these doors are hard-sealed against vacuum or whatever atmosphere is on either side. They are also blast-rated, protective against high heat, and protective against radiation and other hazards to varying degrees based on the expected use of the door.
+These doors both cannot be operated manually in a trivial way and close in a hard-locked state, and as such they do not require additional locking mechanisms. To open one of these doors manually, one must open up a wall panel and then use a breaker bar to first 'unlock' the door from the locking surface using one crank and then actually crank the door open using a second crank. If the pressure difference is too high (i.e. one side is exposed to vacuum and one isn't), it will be impossible for someone to muscle the door out of its locked position.
+Generally speaking, an engineer in a hurry could get one of these doors at least partially open in about 5 minutes; maybe 2 - 3 minutes with the help of power tools.