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    Wednesday, October 14, 2020

    Factorio The Factory Must Grow - propaganda from the Biter Wars

    Factorio The Factory Must Grow - propaganda from the Biter Wars


    The Factory Must Grow - propaganda from the Biter Wars

    Posted: 13 Oct 2020 01:54 PM PDT

    So, I wanted to see what a blue belt full of each science would take.... This is the bus feeding the grey science

    Posted: 13 Oct 2020 11:59 PM PDT

    Calculating the density of Nauvis

    Posted: 14 Oct 2020 04:50 AM PDT

    Nauvis, the planet in Factorio, rotates very fast, with one day/night cycle taking 416.67 seconds [1].

    On Earth, centrifugal force from the planet's rotation counteracts gravity by 0.3% at the equator [2]. There is actually a feedback loop, with the lower gravity causing the equator to bulge, which increases the radius and weakens gravity further. But I will ignore that and calculate the lower limit, by assuming the planet is a sphere.

    Nauvis rotates much faster than Earth, so its gravitational force is countered much more by its centrifugal force. If it spins too fast, objects at the equator will completely overcome gravity and be launched into space. Due to the previously mentioned feedback loop, once this process starts it will result in the entire planet tearing itself apart. Since this has not happened yet, Nauvis's gravitational force must be greater than its centrifugal force at the equator.

    (a) gravitational_force > centrifugal_force

    We can expand the formulas for these forces.

    Centrifugal force: F = mω²r [3]

    Gravitational force: F = GmM/r² [4]

    And get...

    (b) GmM/r² > mω²r

    Which simplifies to...

    (c) GM > ω²r³

    The formula for density is: density = M/V [5]

    And the volume of a sphere is: V = 4/3 Ï€r³ [6]

    So the mass of the planet is...

    (d) M = density * 4/3 Ï€r³

    The formula for angular speed [7] is...

    (e) ω = 2π/T

    Substitute M and ω into equation (c)...

    (f) G * density * 4/3 Ï€r³ > (2Ï€/T)²r³

    And solve for the density...

    (g) density > 3Ï€/(T²G)

    Plugging in period T and gravitational constant G [8]...

    (g) density > 3Ï€ / (416.67 s)² / (6.674×10⁻¹¹ m³⋅kg⁻¹⋅s⁻²)

    (h) density > 813400 kg/m³

    This is far denser than iron (7874 kg/m³) or gold (19300 kg/m³), and is aproximately equal to the density of a white dwarf star.

    In conclusion, Nauvis is a white dwarf.

    submitted by /u/DaveMcW
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    Suggestion for the moderators

    Posted: 14 Oct 2020 03:35 AM PDT

    It would be fun if there was a once a week "Show us your..." thread.

    People of course already share pics of parts of their factory that they are proud of or think is unique. But more mundane parts of the factory might go unshared, but what one person find mundane might be amazing to another.

    A list of examples:

    Show us your Laboratory

    Show us your favorite Circuit design

    Show us your Blue Science Factory

    Show us your Craziest Spaghetti

    Show us your Power Plant

    Each week people would be encouraged to show a pic of whatever that weeks theme is. The possibilities are endless. Its not meant to discourage people already posting their designs, but to encourage more people to post who might otherwise not. My favorite thing about visiting this sub is seeing photos of what crazy things other people come up with that wouldn't have occurred to me, I never copy, but I certainly get inspired.

    submitted by /u/CatHerder75
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    It took 71 hours and a couple of abandoned maps, but i learned so much on the way

    Posted: 14 Oct 2020 03:16 AM PDT

    It's been quite a ride since launch, two months ago.

    Posted: 14 Oct 2020 06:57 AM PDT

    Inktober 13: Dune - Have you ever wanted factorio car in other games? For example Forza Horizon series, DiRT Rally, etc.

    Posted: 14 Oct 2020 07:09 AM PDT

    So excited for version 1.1 my spm honestly might double with all the train routing bottle necks I currently have.

    Posted: 13 Oct 2020 08:17 PM PDT

    100 Times Science

    Posted: 14 Oct 2020 02:15 AM PDT

    Hello fellow addicts. Im Stun, a Factorio player who wants to go big.

    As the title says im planning to do a Factorio run where the science cost is 100 times higher then usual. I already did a 500 times run with someone back very long time ago.. but we didnt manage to go past blue science at the time because 500 was alot and we werent that good back then.

    However.. hes gone now we stopped playing a long time ago and i really really want to do something like this again because its huge fun its amazing and i love the idea of it. Its gonna be vanilla and if the need for ltn rises ill prolly add it. Biters will be turned off and there will be many many ressources.

    sooo with that said... im searching for players who will join me on my journey doesnt matter where youre from doesnt matter how old you are, as long as youre willing to help and not gonna troll.

    Heres the Discord Link :) https://discord.gg/wYcYcmt
    edit: also i dont know if the servers of Nitrado are stable enough, i think we have to find it out.

    submitted by /u/Stunception
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    The Overlooked item: Buffer chests

    Posted: 14 Oct 2020 05:36 AM PDT

    I simply love those...

    They work so nice with my stations and have a feature that is often overlooked: Their requested contents DOES NOT get substracted from your logistic network. This makes using them in an LTN station or any other wire setup very handy and reduces the number of combinators needed greatly :D

    Also you can use them to move stuff to be where it needs to be, you can set your requesters around it to feed "from buffer chests" and this will keep travel time during loading/unloading to a minimum

    submitted by /u/rdrunner_74
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    Megabase before it was cool

    Posted: 14 Oct 2020 07:46 AM PDT

    I thought i was on r/factorio for a moment, looks like a megabase lmao

    Posted: 14 Oct 2020 07:42 AM PDT

    Self Contained Smart Smelter

    Posted: 13 Oct 2020 03:31 PM PDT

    My nuclear plant, 960 MW per stamp (Blueprint in comments)

    Posted: 14 Oct 2020 06:06 AM PDT

    I wanted a nice place to launch my rockets from so i tried to create Cape canaveral with landfill by tracing it from google maps

    Posted: 13 Oct 2020 04:07 PM PDT

    I wanted a nice place to launch my rockets from so i tried to create Cape canaveral with landfill by tracing it from google maps

    I'm sorry that the pictures are zoomed out. It's the only way i could show it.

    This is because i have tried to recreate Cape Canaveral in the scale that a rocket silo + 20 beacons is as large as one of the large launch pads.

    I think the one i placed in the blueprint is Launchpad 39A

    It only takes 218698 landfill to place it

    The Blueprint

    How i used it in my base.

    The Launchpad

    The Blueprint: Blueprint

    submitted by /u/Prime-11
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    Can anyone give tips to a beginner who plays games but quits after biters destroy half of their base

    Posted: 14 Oct 2020 07:22 AM PDT

    well it may not be good but its what i can do

    Posted: 13 Oct 2020 02:43 PM PDT

    First Rocket! I'm pretty sure I could've done in it under 40 but you know... the factory got in the way

    Posted: 14 Oct 2020 07:03 AM PDT

    First Rocket! I'm pretty sure I could've done in it under 40 but you know... the factory got in the way

    This is my 3rd run with about 121 hours total. I got a little crazy with mods mostly QOL but after using bobs inserters, and biters begone I fault like I robbed myself of a honest factorio experience. so you already know I'm headed back in. any tips for a pure vanilla run?

    https://preview.redd.it/spe5vuxih2t51.jpg?width=2560&format=pjpg&auto=webp&s=23492bd524af3c0cb8fa49a94b547e08cb27fe96

    submitted by /u/ye2wavy
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    Rocket fuel for 1k SPM (800/min)

    Posted: 13 Oct 2020 08:01 PM PDT

    Australian or New Zealand players?

    Posted: 14 Oct 2020 03:43 AM PDT

    Looking for a small crew to play with casually..

    I've got approx 300 hours, and have just introduced biters to my game.

    Looking for some people with 300 hours plus.

    Not sure if this is the place for this kind of post.

    PM me and we can talk details

    submitted by /u/vysor99
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    When you slightly fuck up your entire solar field and only notice after its built

    Posted: 13 Oct 2020 01:17 PM PDT

    First time playing factorio and I love this design for inserters

    Posted: 13 Oct 2020 02:52 PM PDT

    Am I doing this nuclear thing right?

    Posted: 13 Oct 2020 04:02 PM PDT

    The rocket equation #2

    Posted: 13 Oct 2020 10:48 PM PDT

    This project is mainly taking place on r/therocketequation. Find description there. I have recently calculated the mass of sulfur and its acid. Math: Water unit = 10.6685 ml (as explained on rocket eq)
    20 Water + 1 Sulfur = 10 Sulfuric acid 20 water = 213.37 ml = 11.84 mol 2 H2O + 2 S + 3 O2(from environment) =2 H2SO4 (iron plate is just a catalyst) Equal parts water and sulfur for H2S04 Battery acid is 33.5% concentrated In one kg, 665 ml water = 36.94 mol 335 grams H2SO4 = 3.41 mol 8.45% H2SO4 and 91.55% water by mol Equal parts water and sulfur for H2S04 .0845 * 11.84 = 1.0006 mol S and H2SO4 Sulfur = 32.1 grams .9155 * 11.84 = 10.84 mol = 195.12 grams + 98 grams = 293.12 Sulfuric acid unit = 293.12 grams

    submitted by /u/Maouitippitytappin
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