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Work in progress - I'll post updates. Basic Idea was, produce enough science for a full blue belt each.

I'm still into building the megabase. each science one blue belt. productivity modules everywhere

No LTN something. Mods: HeroTurrets + Rampage. Deathworld. no creative mode cheats
Most blueprints my own work, except nilaus' mall and reddit's beauty of the beast.

Features so far:
700 rockets before going mega (with a 120spm base)
fail-safe science sushi no matter what
mixed power. steam+solar+above reactor+ 2 of my own reactor designs, full custom logic for power spikes (both steam driven and power needs)
all 2700spm science productions designed from scratch and built in a row
auto-cut heavy smelters from power if output belts are jammed (500MW if idle.. each)
62-belt copper smelter + feeding stations
54-belt iron smelter: missing stations, yet
5.2 artillery shells per second for bombing rampant creatures
auto-cut heavy smelters from power if output belts are jammed (500MW if idle.. each)

.. reserved ..

Need more ore smelting, somehow missed metal needs for circuits ^^ but the good news are, I decided to jump start the mega soon, and not to wait until all ressources are produced in proper quantities.

going to add some mid-game red+blue circuit assembler

8 belt green circuits, prototype: 25/s reds midgame: 5/s blue midgame:

I love these things. Kudos to you

Thank you! This is my first approach to a vanilla megabase. Only other thing I tried that went comparable big was my expensive mode playthrough a while ago

Lol. The only thing I have is like my train network to irons. I’m aiming for a 20k spm for my current world but I’ve never even done above 100 spm. Or launched a rocket. May aswell aim big.

madzuri inspired unloader. this is a 10 belt unloading station. 4 one side, 6 the other. i want to draw items from every wagon in the train evenly.

insersters set to activate if copper ore > 1, combinator divides through negative number of chests. 4 chest because it should see all 6 chest for a wagon as one entity. when i'm thinking about it, maybe i will connect both sides later.
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20k spm and never launched the rocket yet? good luck i wish

That’s the same design I use! However why offset the belts? Is it more efficient? And yes it is a big goal originally I was gonna do a no beacon build but only do 10k. That was a no when I realized how big it would be. But I still wanted a challenge. So 20k it is! Quick question. How do you go about finding new resources later on? I find it easier to make a modular wall/ roboport grid than go on a car or something. I’ve also never used the spidertron before so I dunno of that will change.

Inserters feed on the right side, so offset allows 6 inserters per wagon + feeding the same amount on both sides of the belt. Exploration goes with artillery. I choose a nice location at my perimeter (some small piece of land with cliffs around, build an outpost there with a big artillery gun. Then feed enough ammo to bomb them all. Walls later at choke points. Rampant biters are pretty intelligent and try to find a weak spot in defenses, so there need to be a wall at some point. Spidey for support. In vanilla, spidey could clear entire map by its own. But with rampant, there are nuclear biters which blast them off the map.

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Here's a little teaser. Maybe someone recognize this science blueprint from reddit:

Ah cool maybe spicespider will help me soon enough. I double checked the photo and realized your doing 4 inserters per blue belt instead of 6 which is really smart I may say. It also accounts for the offset.

Was time to wipe some aliens. Love this map Spidertron + Rampant Mod = Great fun. Even nukes are not overpowered.. if you aren't carefull, they will nuke you.

Map code:

my new oil refinery is ready. 1 refinery to serve it all:
- 6483 petroleum gas /sec (for plastic bars). It's enough for 2700spm science packs if they are full prod module augmented
- 34.4 rocket fuel /sec (satellite+rockets)
- 160 lubricant (some surplus for mall)
- 757 sulfuric acid (optional - could be processed from petroleum gas elsewhere or taken directly. surplus for uranium mining operations
- light oil for flamethrower action (more damage than crude oil)

Trains included. Build at a shore..
I need a bigger screen now. Or zoom mod
blueprint is exceeding character limit by 20.000 ... get it here: https://factorioprints.com/view/-MLebSYaRW-jFF7K07vk

What do you mean by Reddit’s “beauty of the beast”?

https://www.reddit.com/r/factorio/comme ... the_beast/

It's pretty nice for high base load, but it won't limit fuel cell consumption if too much power. I have now built 3

Tile-able advanced circuits. each row spits 42 red circuits per sec and eats almost 2 full blue belts copper.
Could stack up to 20 rows if you double the petroleum pumps above. 7 should be enough for my current setup. consumption around 6.1 blue belts of red circuits, because it will not feed processing units production.

There seem to be a minor thoughput issue, still. 4 stack inserters are not enough to output 30 copper cable per sec onto a belt.. while they should
Blueprint: https://factorioprints.com/view/-MLsIYyNAJgMIqGN6dOL