. Jul 23, 2021 @ 5:22pm. Storage Capacity: how much weight can be stored inside the building. A Sweepy Dock needs 25 kg Refined Metal to make a Sweepy. When it's inactive the bunker doors close and the gantry extends. Is there a way to automate gantries so they automatically extend when a spaceship lands? It's irritating having to order them to extend manually. [Oxygen Not Included] - General Discussion. Your space scanners all work with each other to detect all incoming events with the same reliability. Thus. This is VERY gimmicky. Gantries can be damaged by meteors but not rockets. Oxygen Not Included [Oxygen Not Included] - General Discussion ; Rockets vs Bunker Doors Rockets vs Bunker Doors. some manual control, not really needed. 2: Connect your rockets output to both the scanners line to the bunker doors and the rockets input. We only use automation wiring when needed. Anyone has any ideas how to detect incoming rocket, so I could open bunker door before it lands?Hi. I'm a new-ish player to ONI, just launched my first few rockets, (successfully) and i'm working on the first space research. i have a couple rockets that i would like to consistently go back to the same planets over and over due to the materials that are there. 65 votes, 31 comments. First time opening the bunker doors from the left to center line of the map and the left most bunker door isn't responding to the automation signal to open. Overheat Temperature. I manually toggle the mech doors, but it would not Be difficult to link it with the scanner. Is there a way to prevent my solid booster from destroying most of my bunker door automation ? (A single steam/petroleum engine doesn´t seem to have this drawback. E. Sports. The only things you need to power in this build are the Bunker Doors and the Space Scanners (at least 2). 3) the scanner logic is different: green - yes there are meteors. This is the easiest. But from time to time it seems like the wiring that goes through the bunker doors connecting. Cover your space roof (red limit) with 64 doors (32 tons Steel) 2. Learn how to obtain or transform a specific material. But it work VERY well. I've got this happening very predictably. The rocket bunker doors are adjacent to the redzone with 0 tiles in between. 1. Hi. Hydrogen - Clean power. Is there a way to automate gantries so they automatically extend when a spaceship lands? It's irritating having to order them to extend manually. I built some safety mechanisms into my system to make. You also need a row of mesh tiles above the solar panels to catch the hot. 7 second and then to your second gantry. Automation wires are cheap, make them out of tungsten or out of steel in space. The upside is the power consumption. The biggest issue is that the steam engine will not accept steam if it is entombed. - 1st filter gate is set to 140 seconds. When using Liquid Oxygen for Liquid Oxidizer Tank (2. You don't need 100% to be 100% safe from incoming things. First time opening the bunker doors from the left to center line of the map and the left most bunker door isn't responding to the automation signal to open. A Screenshot of Oxygen Not Included. I've used this type of setup multiple times without issue before, and I do use multiple. It tracks rocket travel time, which you need to first input to counter and filter gates. Mechanized Airlock creates an airtight seal that maintains atmosphere and pressure between areas when closed. 2 seconds until meteors were detected. 1). How do you protect the wiring in your bunker gate? I keep having cases where the automation and power lines get broken and I have to repair them. Regardless of the scan quality, all scanners will all send the "meteor shower ended" signal at the same time. Second filter from right is the delay for bunker doors to open after a shower and waiting for regolith to drop. This could also be very useful for certain. That line is also part of the circuit that heads up into the OR junction to have the silo doors open,. The best (based on personal opinion) method is probably the door munchers. It will stop pretty much all meteors while still giving you a 30-50% sky access. ago. Community for the space-colony simulation game Oxygen Not Included…Viento Solar Sep 10, 2018 @ 4:36am. All of this to say I just want a simple way to have the bunker doors above my scanner and ship to close when. Although the game states that between two objects, the lowest thermal conductivity is used, this is not true for all cases. But with spaced out, there are now slime meteors, ice meteors, oxylite meteors and others that make solid. But now with Spaced Out dlc there is no such device no more. Automation Design 101: Designing Logic Systems for Automation. Blocks that fall into doors are just deleted - I believe this change was made because they were destroying bunker doors before. Is there a way to automate gantries so they automatically extend when a spaceship lands? It's irritating having to order them to extend manually. I know there was such a device Space scanner long time ago, which could determine when the rocket is nearby, then you could switch bunker doors to open. Run a liquid pipe behind and crack open a pipe to get a drop of water on the airflow tile. Practical methods to automate door pumps and bunker doors in ONI. I've used mine to neaten up the automation wires for my blast door/regolith mashers, since the logic gates required to set that up is a bit. Three tiles seems to be fine for regolith collection, I don't ever see it pile up to 3 tiles high, as the doors open after a shower and drop what is there. Help with Space Scanner/Bunker Door setup. Therefore, you need to reverse this signal for the door via a not gate. The door control switch controls all over bunker doors separately and can be toggled on or off at will, letting dupes have a walkable platform to be on for their mining. Both Steam Engine and Liquid Fuel Tank can fit 900 kg of fuel, however due to a single input pipe, the latter can be filled with a single liquid pump in 90 seconds, while the former requires two gas pumps and 900 seconds. This is an efficient door pump, which I use to store outputs of in total 3 natural gas vents. This is an automation door. Bunker tiles could still have their use for their pressure resistance. Oxygen Not Included [Oxygen Not Included] - General Discussion ; Automation timing unreliable?. 1. > Added a not-gate from the bunker doors, which I hooked up to the gantry(s) > Added a filter gate for delayed start between bunker doors and command capsule input I still need to do the landing automation, hooking up radar dishes to the bunker doors/rockets and making sure the gantry(s) are not extended on approachHey guys, I am having some problems with the space scanners and the bunker door. I know there was such a device Space scanner long time ago, which could determine when the rocket is nearby, then you could switch bunker doors to open. The AND output should pulse a green signal for your mech doors, and will reset the circut every time the bunker doors are closed. Find relations between elements, information and attributes. 1) Bunkers don’t really have Auto, since dupes don’t walk through them. Explore all the Oni element, building, plant, seed, critter, egg. Anyone has any ideas how to detect incoming rocket, so I could open bunker door before it lands?So, my latest colony (I don't have the DLC) since the DLC came out and I've just gotten my scanner network setup. I know there was such a device Space scanner long time ago, which could determine when the rocket is nearby, then you could switch bunker doors to open. Power those bunker doors and build automation to a switch so you can open/close the doors on demand. I have used ribbons to make some neat logic contraptions before with not much effort. may be this is another old problem: if you save the game at the moment when the door started to open but has not yet fully opened, then when you load the game, this door will start to open from the very beginning, and it may not have. The impact of the meteor is what destroyed them in the area so figured there was simply no impact resistance. The 1 for rocket just uses a not gate (for bunkers) and some buffer/filters (i think) for my 2 gantries so they don't open at the same time and use 2400 Power lol. My 102% scanner setup, 7 scanners instead of 6 cause of the geyser. I've used this type of setup multiple times without issue before, and I do use multiple. I thought this might be because: - They are being hit by a meteor (They are not, I watched during a meteor shower and they disappeared without being hit) - They are over-heating (I would expect to get an. ignore the not gate on the upper right, that goes to something else. But now with Spaced Out dlc there is no such device no more. I know there was such a device Space scanner long time ago, which could determine when the rocket is nearby, then you could switch bunker doors to open. Is there any automation needed if there are no bunker doors? You need to detect a rocket coming back and open the bunker doors using a scanner if you want. #6. My space sensors are detecting meteor showers, and closing my bunker doors just fine. It tracks rocket travel time, which you need to first input to counter and filter gates. Power: how much power the building requires or produces. Multiple scanners to get 100% network quality, one of the scanners controls all bunker doors. While building them, well your stairs will get damaged, disable autorepair and live with it. First time opening the bunker doors from the left to center line of the map and the left most bunker door isn't responding to the automation signal to open. Bunker doors close when meteor showers approach. This will close the bunker doors and extend the gantries so your astronaut can run for a quick potty break. Oxygen Not Included. You got a buffer gate on the left with 140-150s timer (the time for the doors to open) And so a OR Gate wich activate when rocket is ready to launch or when the rocket is on the proximity scan. Master advanced science and technology, capture and tame strange new lifeforms, and plan your base with expert efficiency so that you and your. The pressure sensor and liquid sensors are there for manually setting the signals, to either open the crusher doors or open & close the bunker doors. So, meteor strikes are fun. I know there was such a device Space scanner long time ago, which could determine when the rocket is nearby, then you could switch bunker doors to open. Send a green signal to the port (to make viewing the problem easier), then save and reload. I have scanners setup to detect incoming roids and when they pass doors open for autominers to clear the path. The Peace Season output is just an override that tells the bunker doors that it is safe to remain open. Buffer 1 : set to 20 secondes -> time for open/close the doors that auto-dig the regolith. -- Protect your Colony from Meteors with the Door Crusher Design!Deletes the Regolith, Automated, & PowerlessStill have to power the Bunker Doors & Space Scanne. Hi there,. Bunker Doors: First we use a Not Gate to change the green signal to red. The lead was melted so it disappeared into the vacuum as there is no backing plate. Build your bunker doors up in space go as far as you can, into space then use vacume space to insulate from the heat. The more complex non-cheaty way is to build a row of bunker doors above it, with a row of mesh tiles about 8to10 rows under the doors. Anyone has any ideas how to detect incoming rocket, so I could open bunker door before it lands?Power: how much power the building requires or produces. Personally, I automate the bunker doors. The scanner sends a green signal when it detects a meteor shower. Explore all the Oni element, building, plant, seed, critter, egg. Building can be used by duplicants to transform elements, produce power or perform new tasks. Yeah, and just to add to this, the scan quality only determines how early you'll catch the meteor shower. So, my latest colony (I don't have the DLC) since the DLC came out and I've just gotten my scanner network setup. I think in general, filter and buffer. This is used, for example, in liquid and gas "crushers". I've used this type of setup multiple times without issue before, and I do use multiple. It causes the mechanized doors to remain open as the regolith falls down and then closes after 4 seconds to let the robominers and scanners get to work. Anyone has any ideas how to detect incoming rocket, so I could open bunker door before it lands?Oxygen Not Included. So, my latest colony (I don't have the DLC) since the DLC came out and I've just gotten my scanner network setup. Filter Gate 2 : set to 35 secondes -> open the door under the space scanner to let the regolith drop. But now with Spaced Out dlc there is no such device no more. Whittaker Oct 7, 2018 @ 1:05pm. The basic idea. Decor: affects a Duplicant's Stress and their opinion of their surroundings. Guide colonists through the perils of subterranean asteroid living and watch as their population grows until they're not simply. I usually cool the 2 miners and the telescope by using a petroleum filled pipe into the stream room you will need to build for your first steam rocket. Something about meteors and bunker doors is causing the problem. However, a break in meteor showers detected by the scanner array should also open bunker doors. may be this is а returned old issue where bunker doors would open and close more slowly if off the screen. Find relations between elements, information and attributes. Hi. Automation : From top to bottom : Filter Gate 1 : set to 50 secondes -> close the door under the space scanner after the regolith has droped. Watch how many packets you get and the spacing. The Robo-Miner cannot dig itself out when entombed. The best resource I’ve found is the actual ingame overlay. I know there was such a device Space scanner long time ago, which could determine when the rocket is nearby, then you could switch bunker doors to open. My biggest suggestion is to keep the wire out of the doors except for the 1 tile that has to be connected, if possible make that 1 wire tile out of narobium. I've used this type of setup multiple times without issue before, and I do use multiple. on the output. Your done. This section lists all. This thread is archived New comments cannot be posted and votes cannot be cast Related Topics Oxygen Not Included. Meteors damage any building they pass through until they hit a solid tile. (But you can get by without it. 2 seconds to close or open. And well, real time, might not be rendered as real in parts not currently on screen. Aim:Complete rocket on the right Side, Correct Power demand, Number of Duplicants for max efficiency, Space Bunker Lock(repair bunker door automation by seeing automation on extreme top left ), Number of critters, Improve Ranching, Get all type of Critters(Empty stable are for. See moreThis is a safety that prevents the bunker doors from opening if there isn't enough stored energy to close them (the text in french says Battery 1:2 doors on normal. Space Scanner is a building that can detect incoming Meteor Showers or Rockets. They open faster than unpowered airlocks and are useful to limit the movement of Dupes and Critters, so they stay in their preferred Biome or Stable, and to designate boundaries of morale-boosting rooms that dupes can cross. So offscreen automation behaviour seems ill defined when using buffer and filter gates. As it's set up, each solar panel has 1 tile of light blocked, which doesn't significantly impact efficiency. Stick them high up under 1x bunker door with a double airlock door-floor automated to get rid of meteor debris. Explore all the Oni element, building, plant, seed, critter, egg. Heat: how much heat the building produces or absorbs. You have many choices : - Make a rocket - Make solar panels with meteor scanner - Make a space baseCurrently if a dupe has a task assigned to it that would have it go through a bunker door, it waits until the bunker door is completely open. First time opening the bunker doors from the left to center line of the map and the left most bunker door isn't responding to the automation signal to open. Especially when using petroleum or hydrogen engines. I know there was such a device Space scanner long time ago, which could determine when the rocket is nearby, then you could switch bunker doors to open. I have them running "inside" the doors, using lead. I've used this type of setup multiple times without issue before, and I do use multiple. It produces, power , petroleum and meat while also getting rid of excess CO2. Without Power, the opening and closing of the airlock. A complete material, item, creature handbook and crafting guide for Oxygen Not Included. What I want is for the Space Scanner to close the Bunker Doors when a shower is…Is there a way to automate gantries so they automatically extend when a spaceship lands? It's irritating having to order them to extend manually. However, you need to keep tungsten wire for a ways outside the rocket as well; at least two tiles left/right/up/down, even if the wire is on the other side of a closed bunker door. ago. I am not a pro of the automation in particular the "gates", i recently started to learn how the not gat, buffer gate and filter gate works. Now sure I can optimize this, by turning them off with my automation (or probably soon with saturnus automation for even sharper optimization); but this already works, I'm just scrapping watts. Hello all, I'm using a basic door pump setup with a steam generator to generate power. I have this set to 60 again due to buggy door timing. This retracts the cockpit gantry and opens the bunker doors, 40 seconds later (before bunker doors are fully open) the rocket launches. Like. The lullaby effect sticks around even if the incubator is turned off after the lullaby. . It can be used anywhere that light levels might inform your setup: everything from opening/closing surface bunker doors for solar panels, to keeping your colony's beach chairs nice and sunny. By: Minotas. Size: width and height, in tile. #4. I know there was such a device Space scanner long time ago, which could determine when the rocket is nearby, then you could switch bunker doors to open. To know how long a bunker door takes to load you just have to manually time it. 186K subscribers in the Oxygennotincluded community. Connect the signal which you use to open the bunker doors to the gantry via a NOT gate. I almost died multiple times to this before I realized what was happening. If you hover over the quality it will say how many seconds in advance it will detect the meteors. This means (if you. r/Oxygennotincluded. Oxygen Not Included. Size: width and height, in tile. All Meteors falling also produce a lot of Carbon Dioxide, it can be harvested, but practicality is dubious. All Discussions Screenshots Artwork Broadcasts Videos Workshop News Guides Reviews. When you first start on space you have to deal with Telescopes and the game instantly gets. At the end of a shower, the bunker doors will open and the crusher doors will continue to operate for a short time, after which they will stop, allowing the scanners to resume scanning. Bunker door control for rockets? How do you guys control those? They should be on a separate automation, right? In case the rocket returns during a meteor shower. Steel is required to build all Rocket (incl. They deliver the material, but then don't build the wire. That said. One is automated to the showers. Oxygen Not Included is a space-colony simulation game. Never had a bunker door open late. And some notes on the automation: This automation is so complicated for something so simple. I know there was such a device Space scanner long time ago, which could determine when the rocket is nearby, then you could switch bunker doors to open. It also persists with my mods disabled. I know there was such a device Space scanner long time ago, which could determine when the rocket is nearby, then you could switch bunker doors to open. But now with Spaced Out dlc there is no such device no more. Meteors damage any building they pass through until they hit a solid tile. Power: how much power the building requires or produces. Bunker door openes in 38s, so in such case you have about 20% chance that door will open too late. But now with Spaced Out dlc there is no such device no more. I have scanners setup to detect incoming roids and when they pass doors open for autominers to clear the path. Anyone has any ideas how to detect incoming rocket, so I could open bunker door before it lands?For those Who just want to see Duplicants work for them. 3 years ago Practical methods to automate door pumps and bunker doors in ONI. 7 second and then to your second gantry. Becoming a bit frustrated with the atomated regolith removal. Finally hammer out the last of the telescope work, it's amazing how much effort you have to put in just to get the telescope up and running. The tiles will get damaged but not entirely removed. This is the biggest issue. Another trick you can use is only launching at a certain time of day, and. Using algae in Terrariums or Deoxydizers makes for one of the best early. Once the battery depletes to a certain level it will send a signal to the generators to turn back on. 4s filter - time to wait after the first set of doors closed and opened. Can anyone tell me what to do to? I'm a bit lost with the automation still. However at least in my game, occasionally the rockets would destroy the bunker doors while landing if a meteor shower was currently occurring. All of this to say I just want a simple way to have the bunker doors above my scanner and ship to close when meteors. It actually triggers at the same time as the rocket begins to land. Might not seem super compelling, but all the assets are there, and it's a sandbox game. Oxygen Not Included > General Discussions > Topic Details. Hi. G. "A massive, slow-moving door which is nearly indestructible. New comments cannot be posted and votes cannot be cast. + as a bonus this things. Mack. Build the base out of bunker tiles. I would pulse them every 37. bunker door) on the farthest-left square possible, above the neutronium. . It also persists with my mods disabled. The others are quite hard to grasp, I mean i understand how they work, i am just having hard time doing a proper setting with. Alle rechten voorbehouden. This is not an access or priority issue. The problem is, that after the doors are shut, the space sensors no longer can sense the incoming meteor shower, so they open. Bunker Tile is a Tile that doesn't take any damage from meteors just like Bunker Doors, so it can be used to protect the surface against Meteor Showers . Regarding the bunker doors, they have, as all components that accept automation input, an internal buffer, and then a real time buffer to play out it's open/closing animation. 1 - a "bus" that gets turned on to open the bunker doors and delay in series any gantries (filter first gantry for 45 sec, second for 50 sec, etc). Set up a bank of jumbo batteries to store power for when the bunker doors operate. Use 2 doors with a space between them. The correct method of solar panelThe automation in the top left is for the door pumps. I would pulse them every 37. rocket destroying bunker doors on reentry. i'm just now getting into space and have done well to get rockets to go to at least the 40K mark. However at least in my game, occasionally the rockets would destroy the bunker doors while landing if a meteor shower was currently occurring. On return, my bunker doors were broken. So set an airlock sideways on a timer. Critters have very little space to move (Improving FPS) , and new critters are added to the ranch using my 'Mechanical Incubation and Delivery System'. Automation : From top to bottom : Filter Gate 1 : set to 50 secondes -> close the door under the space scanner after the regolith has droped. Anything I put above bunker tiles gets buried or damaged during stikes, so my dupes have to work double time digging and repairing, which makes the whole thing pointless it seems to me. This is the most basic automaton for rocket i know. 14 bunker doors at the building limit with a row of automated mechanized airlocks & mesh tiles underneath. I have the Space Scanner(s) at the very top of the map, just under the Bunker Doors, sitting on Airlock doors. I have this set to 60 again due to buggy door timing. 3 cycles then first counter from left you set to 7 and middle one to 2. I know there was such a device Space scanner long time ago, which could determine when the rocket is nearby, then you could switch bunker doors to open. My biggest suggestion is to keep the wire out of the doors except for the 1 tile that has to be connected, if possible make that 1 wire tile out of narobium. You can't make the cables, tiles, logic, and so on of materials that can melt, like lead, dont make all the cables/pipes out of lead, also sensors. I still struggle a bit with various stuff, but i see how to fix it. Meteors should not be that common unless you’ve increased the difficulty when selecting the world, so. Regardless of the scan quality, all scanners will all send the "meteor shower ended" signal at the same time. I pointed out the flaw in this reasoning earlier -. Is a game. Bunker doors won't accept an automation state change until they've completed their current state change, so if you run out of power while opening them and need to close them, it takes a loooooong time. 1: The bunker door control: delay the opening of the door for 145s after a shower was detected (since we detect 200s in advance -BT - PT - ST) The sensor is a panic button to immediately close the bunker doors. Learn how to obtain or transform a specific material. Provide power and oxygen to the telescope. Is there a way to automate gantries so they automatically extend when a spaceship lands? It's irritating having to order them to extend manually. The output port indicates the rocket is ready to launch, and the input port tells it to. Be aware that incoming rocket detection is unreliable (if your scanners are blocked by bunker doors due to meteor shower then you will not detect the rocket in time to open the doors), and you will lose bunker doors. I have scanners setup to detect incoming roids and when they pass doors open for autominers to clear the path. Bunker tiles obscure light, scanners do not. The old behavior was. Opening doors on time, for returning rockets, during meteor showers, does not work. It is mainly used in extreme environments such as Space Biome. Hi. 3) the scanner logic is different: green - yes there are meteors. 2 closely timed direct hits can melt even steel wires in the bunker doors. Oxygen Not Included [Oxygen Not Included] - General Discussion. Also be careful when building the wire - as soon as you build wire on door it will lock until you connect it to green signal so your builder dupe can be locked in hostile environment behind that door. Dupes for some reason won't build certain segments of conductive wire or automation wire over bunker tiles. The charge in one battery is enough to open or close 4 bunker doors. g. By imPyre. Posted October 25, 2018. Forums:. which in turn is needed to make bunker doors and tiles - the only tiles that can withstand. Use the automation output of the command module itself. Rocket & Gantry automation is quite straight forward now. To figure out how many batteries you need take the number of doors you have: One door draws 120 watts for at most 45 seconds (when continuously powered) wiki. Best is using bunker doors connected to scanners and robo-miners, However, if you don't want to mess with robo-miners, build the telescope pretty high (but more than 8 tiles from top) and then build 4-6 bunker tiles directly above it. Help with comprehending buffer and filter gates. Nat gas - Produces Polluted water which is useful, Co2 which is useful and power. Does anyone know how to prevent that without a water clock or similar over engineering. IIRC an airlock (not bunker door) closing will turn any regolith in it into items. I’m a simple man. My bunker doors definitely open in time for the rocket to leave and to arrive. Input 1 will be straight from the filter. When the smart battery reaches a certain charge level the battery will send a signal to the generators to turn off. Bunker doors won't accept an automation state change until they've completed their current state change, so if you run out of power while opening them and need to close them, it takes a loooooong time. Yeah, and just to add to this, the scan quality only determines how early you'll catch the meteor shower. I'm using the same automation wires to do all that and space scanners. 2) green open and red close. I have them running "inside" the doors, using lead. I'm a new-ish player to ONI, just launched my first few rockets, (successfully) and i'm working on the first space research. H. ! This is. Oxygen Not Included. Anyone has any ideas how to detect incoming rocket, so I could open bunker door before it lands?I turned the switch back to red signal and now the automation signal from the rocket is green. Battle-tested for 500 cycles. Vacuum Mech Door unpowered Mech Door unpowered Telescope Mechdoor unpowered. The first filter is a timing device, set this to however many seconds it takes to open your bunker doors. The Mechanized Airlock requires Power to open and close at the faster rate. Learn how to obtain or transform a specific material. I manually toggle the mech doors, but it would not Be difficult to link it with the scanner. . You want to have 1 vacuumtile. It also protects from pressure damage caused by Liquids, although there is a limit to the liquid pressure that it can contain. The two atmo sensors on the AND gate are used to open close the doors manually for what ever reason. I am considering just spamming a line of them instead of bunker doors for my surface base area. a) rocket leaves. Premium Powerups Explore Gaming. So, my latest colony (I don't have the DLC) since the DLC came out and I've just gotten my scanner network setup. Anyone has any ideas how to detect incoming rocket, so I could open bunker door before it lands?So, my latest colony (I don't have the DLC) since the DLC came out and I've just gotten my scanner network setup. I've tried searching for this, but things like "oxygen not included rocket tutorial" end up with pages that assume you know everything about building and launching rockets, but have some question about range and fuel tanks or something. So, my latest colony (I don't have the DLC) since the DLC came out and I've just gotten my scanner network setup. I know there was such a device Space scanner long time ago, which could determine when the rocket is nearby, then you could switch bunker doors to open. But now with Spaced Out dlc there is no such device no more. Like Bunker Tiles , it does not take any damage from meteors, so it can be used to protect the surface against Meteor Showers using a Meteor Scanner . Your space scanners all work with each other to detect all incoming events with the same reliability. Built couple of scanners and telescope protected by bunker doors. Space scanners cannot reliably detect incoming rockets because bunker doors have to be closed during meteor showers to protect the space scanners which results in 0% scan quality. Oxygen Not Included > General Discussions > Topic Details. Explore all the Oni element, building, plant, seed, critter, egg and food. It is activated when the rocket is ready to start by closing the water-clock trap door and starting the pump.