Autodoor

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Autodoor

Autodoor

Divides rooms. Powered operation allows people to move through the door without slowing down.

Base Stats

Type
StructureDoor
Beauty
0
HP
160
Flammability
100%

Building

Size
1 × 1
Cover Effectiveness
75%
Power
-50 W

Creation

Skill Required
Construction 6
Work To Make
1,100 ticks (18.33 secs)
Stuff Tags
Metallic, Woody, Stony
Resources to make
Stuff 25 + Steel 40 + Component 2

Autodoors are powered doors that open and close a lot faster than regular doors of the same material.

Acquisition

Autodoors can be be constructed with Stuff 25 Stuff (Metallic/Woody/Stony, 250 for SMVs), Steel 40 Steel, Component 2 Components and 1,100 ticks (18.33 secs) after the autodoor technology has been researched.

Analysis

The autodoor draws 50 W of power at all times. If not enough power is available or the door brakes down, it behaves exactly like a regular door of the same material.

Contrarily to the in-game description, not all autodoors allow unimpeded movement. Actually, a powered autodoor opens at 400% speed. This means that all powered autodoors that are not made of stone indeed do not slow colonists down; walk speeds that would be high enough to have an effect in this case are not achievable in practice. Stone autodoors, however, open only slightly faster than regular wooden doors.

The below animation shows a comparison of different door types and materials (the animals all have the same movement speed of 5 c/s, comparable to a fast human pawn).

Opening speed of various doors. Door materials from top to bottom: stone (manual), no door, steel (auto), wood (auto), stone (auto), steel (manual), wood (manual)

Notes

  • Work to build an autodoor is 130% the value of the corresponding regular door.
  • Most other relevant stats (except opening/closing speed) are unchanged from regular doors of the same material.

Strategy

  • Steel autodoors offer the best compromise of durability and speed. Even unpowered they are only slightly slower than wooden doors, but a lot less flammable.
  • If fire immunity is required, a granite autodoor offers the highest durability of the stone doors (270 hit points). In practice, a Plasteel autodoor is probably the better choice (450 hit points, opens like a steel door when unpowered).
  • Due to the non-trivial power and materials cost, most bases want to use autodoors only in select locations.
  • Stone autodoors are risky to use, because in times of power failure they will slow down colonists tremendously. This is especially painful because a blackout situation is very often also an emergency situation, where free movement is important.
  • Since autodoors not only open, but also close fast, they help when a pawn needs to flee from a threat. This means that compared to the regular door, the auto door is more likely to close before the pursuer can step through or block the door.
  • Stone autodoors being only slightly faster than (regular) wooden doors means they are not practical in most situations, except when fire immunity is absolutely required, and a failing autodoor would not pose a problem.

Stats table

  • Autodoor Autodoor Beauty Work to Build HP Flamma­bility Door
    Speed
    Market
    Value
    Material
    Bioferrite Bioferrite Content added by the Anomaly DLC 0 002,750 ticks (45.83 secs) 320 75% 400% 169 Silver
    Gold Gold 20 000,990 ticks (16.5 secs) 96 40% 400% 2,645 Silver
    Granite blocks Granite blocks 0 006,740 ticks (1.87 mins) 272 0% 180% 187 Silver
    Limestone blocks Limestone blocks 0 006,740 ticks (1.87 mins) 248 0% 180% 187 Silver
    Marble blocks Marble blocks 1 006,190 ticks (1.72 mins) 192 0% 180% 185 Silver
    Plasteel Plasteel 0 002,420 ticks (40.33 secs) 448 0% 400% 375 Silver
    Sandstone blocks Sandstone blocks 0 005,640 ticks (1.57 mins) 224 0% 180% 183 Silver
    Silver Silver 6 001,100 ticks (18.33 secs) 112 40% 400% 395 Silver
    Slate blocks Slate blocks 0 006,740 ticks (1.87 mins) 208 0% 180% 187 Silver
    Steel Steel 0 001,100 ticks (18.33 secs) 160 40% 400% 192 Silver
    Jade Jade 10 005,500 ticks (1.53 mins) 80 0% 400% 285 Silver
    Uranium Uranium 0 002,090 ticks (34.83 secs) 400 0% 300% 295 Silver
    Wood Wood 0 000,770 ticks (12.83 secs) 104 100% 480% 173 Silver
  • Styles