Improved version of the "Little Sun Fusion Reactor" | 📣 R74n / Sandboxels | Page 1

austere ridge Oct 10, 2025, 4:37 PM

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now able to work with the following modes: a classical cyclotron fusion reactor, a fusion/fission reactor hybrid , and last but not least the thermonuclear bomb mode shown in the video (a more efficient spent fuel discharge system was also added)

📎 M_cyclotron_22_experimental_modded_.sbxls

austere ridge Oct 10, 2025, 4:58 PM

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@serene relic chek out the thermonuclear bomb mode in the video 😄

austere ridge Oct 10, 2025, 5:18 PM

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also, this is the lastest version, there was a pixel too much in one of the pilons as seen in the video and that was bothering me moji_xok

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📎 M_cyclotron_22_experimental_modded.sbxls

austere ridge Oct 11, 2025, 10:25 AM

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i added a nitrogen cooling system and a bypass system to allow for fuel injection and ignition during hot cycles

📎 M_cyclotron_22_experimental_N_modded.sbxls

serene relic Oct 11, 2025, 8:25 PM

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can you make a video showing how to not turn it into a bomb

austere ridge Oct 11, 2025, 11:29 PM

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there you go

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the switch group directly below the spinning chamber controls the gases input ( tritium on the left hydrogen in the middle and deuterium in the right ) the switches at the bottom control the following: red led indicated one: enriched plutonium dioxide for the bomb mode, The green led indicated one: uranium dioxide for the fusion fission mode, the small box inbetween controls the nitrogen cooling intake

austere ridge Oct 12, 2025, 6:49 PM

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I added the possibility of using it as a fission reactor or as a cold fusion reactor and a new liquid nitrogen cooling system since the first one took forever to cool everithing down

📎 M_cyclotron_22_xprmntl_FC_modded_.sbxls

serene relic Oct 13, 2025, 6:42 PM

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i made a nuclear reactor or if used properly a nuclear bob

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bomb

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i mean bomb

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not bob

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this is the save

📎 multi_chamber_vanilla_fission_reactor.sbxls

austere ridge Oct 13, 2025, 7:06 PM

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this is very nice

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you should build a powerplant using it

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equipped with a red button to make it go kaboom

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if you want

serene relic Oct 14, 2025, 10:28 PM

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i have this same save but with no water so it does eventually go kaboom, and it is a power plant because why else is there a wire sticking out of it

austere ridge Oct 15, 2025, 10:12 AM

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serene relic i have this same save but with no water so it does eventually go kaboom, and it ...

true dat

austere ridge Oct 15, 2025, 3:47 PM

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📎 M_cyclotron_22_xprmntl_FFC_modded.sbxls

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lastest version

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with the most recent tweaks

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tawny prism Oct 16, 2025, 7:25 PM

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Wait theres Tritium and deterium in game?

austere ridge Oct 16, 2025, 10:08 PM

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nope is from a mod

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but i needed both since i wanted the reactor to be somewhat realistic

serene relic Oct 20, 2025, 11:22 PM

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i have made a power plant and power plant in the ground, BOTH can run indefinitely

📎 multi-chamberd_nuclear_power_plant_not_bomb_in_ground_2.sbxls 📎 multi-chamberd_nuclear_power_plant_not_bomb_2.sbxls

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hold on i need to tweak one of them

jaunty canyon Feb 6, 2026, 4:03 AM

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It’s the big boxes fan but my account got hacked so I had to make another one but I tweaked the plant and made a battery based of the first little sun and a power plant with the battery I made

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Boxels*

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I haven’t gotten the saves uploaded yet but I can tell you that the power plant based off of the battery uses glass as coolant

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I will upload the fusion plant but it’s not finished but the power generation is

austere ridge Feb 6, 2026, 4:24 AM

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awesome 😮 i never thought of using glass as a coolant

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also

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im sorry ur account got hacked 🙁

jaunty canyon Feb 6, 2026, 5:22 AM

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@austere ridge the battery and the core is

📎 M_cyclotron_power_plant_experimental_N_modded.sbxls 📎 M_cyclotron_battery_experimental_N_modded_26.sbxls

austere ridge Feb 6, 2026, 5:26 AM

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bro these are very nice!

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damn i should really build a powerplant with the cyclotron

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is been so long

jaunty canyon Feb 6, 2026, 6:03 AM

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I could uplaod the nuclear plant while I’m at it

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The plant is finished

obtuse field Feb 9, 2026, 8:08 PM

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Omg beautiful

austere ridge Feb 9, 2026, 9:43 PM

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im quite flattered you like it

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im looking forward to your reactor too

sage cairn Feb 9, 2026, 10:46 PM

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how do i turn it on?

austere ridge Feb 10, 2026, 1:27 AM

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there are schematics

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if you shock the green squares the current passes trough

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if you shock red it wont

storm sandal Feb 10, 2026, 2:31 AM

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what

dull crater Feb 10, 2026, 9:35 PM

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me like boom

austere ridge Feb 10, 2026, 9:37 PM

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yeah the self destruct button is very cool 😎

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on the opposite side you can use uranium dioxide to cause a fission fusion hybrid event

sage cairn Feb 17, 2026, 10:44 PM

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austere ridge if you shock red it wont

could you put a tutorial sorry if i bother you

dull crater Feb 17, 2026, 10:52 PM

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austere ridge

sage cairn Feb 17, 2026, 10:52 PM

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dull crater

mine doesnt load bc of the mods or idk

dull crater Feb 17, 2026, 10:53 PM

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austere ridge

sage cairn Feb 17, 2026, 10:53 PM

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thanks

sage cairn Feb 17, 2026, 10:55 PM

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dull crater

still failed to load 🙁

austere ridge Feb 17, 2026, 10:58 PM

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📎 M_cyclotron_22_xprmntl_FFC_1.sbxls

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updated

dull crater Feb 17, 2026, 10:58 PM

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austere ridge

the mods arnt loading

austere ridge Feb 17, 2026, 10:58 PM

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strange

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file loads normally in my blank user

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tried again and is working fine on my end

sage cairn Feb 17, 2026, 11:00 PM

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moji_sadcat

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mine is strange

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hold up

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nvm

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thx broski

sage cairn Feb 17, 2026, 11:00 PM

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austere ridge updated

works

austere ridge Feb 17, 2026, 11:01 PM

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yes

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😎

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have fun!

fervent birch Mar 23, 2026, 10:12 PM

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are the selective voids supposed to be unknown?

austere ridge Mar 23, 2026, 10:12 PM

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nope

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but you can now set vanilla voids to do the same!

fervent birch Mar 23, 2026, 10:13 PM

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alr thanks

austere ridge Mar 23, 2026, 10:37 PM

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dw

wet hornet Mar 26, 2026, 11:32 AM

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What are only the essential mods?

austere ridge Mar 26, 2026, 11:36 AM

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i think only chem.js - ExtraMachines.js - switches.js -nousersthings.js - jaydstuff.js - ticking_temp_stuff.js

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are essential

wet hornet Mar 26, 2026, 11:37 AM

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TYSM

wet hornet Mar 26, 2026, 12:04 PM

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I'm missing most of these elements. The ones in the bottom middle is selective void. I would have thought that for the electric circuits it is a e-cloner with positrons, but idk. 🙏

austere ridge Mar 26, 2026, 12:16 PM

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hmmm

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let me trouble shoot the reactor on my end

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brb

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oooh alr

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i know what's happening

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@wet hornet you have to redo the voids

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cause after the update the selective voids became obsolete

wet hornet Mar 26, 2026, 12:18 PM

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so do i remove them?

austere ridge Mar 26, 2026, 12:18 PM

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if you shift + click on a normal void you can now set it in the same way

wet hornet Mar 26, 2026, 12:19 PM

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oh ok thx

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but what abt the other elements

austere ridge Mar 26, 2026, 12:20 PM

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they where super warmers and shockers that probably got corrupted in the last 3 updates

wet hornet Mar 26, 2026, 12:21 PM

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oooh okay

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Thanks

austere ridge Mar 26, 2026, 12:21 PM

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dw

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feel free to ask if you have more questions!

wet hornet Mar 26, 2026, 12:22 PM

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the ones in the core are also superwarmers right?

austere ridge Mar 26, 2026, 12:23 PM

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no worries im saving it in an updated version

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imma post the updated one in a minute

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im gonna test if all works

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brb

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@wet hornet surprised how little repair was needed

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basically just the voids and me forgeting to ad jaydstuff lol

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now all the features work

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you have also an hybrid fission/fusion mod but be careful with it

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ill let you be the one to find the self destruct button cause i also included that 🔥

wet hornet Mar 26, 2026, 12:33 PM

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works like a charm

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only thing is

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the nitrogen selective void gets pushed down at the start but no way to change that rly except removing the magnet repel

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it works amazing tho

austere ridge Mar 26, 2026, 12:37 PM

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ohh

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i forgot to address that

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is a simple solution

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hold on let me just

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alr solved

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📎 M_cyclotron_22_UPDATED_mods_.sbxls

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gonna share: if you are making a build and for some reason wanna keep a powdery material still in one place you can do this

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select prop tool in edit

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when the dialogue window appear type : drag and press enter

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then when the dialogue window opens a second time type: true

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then if you brush something like sand for example it will stay suspended mid air

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like a solid

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is what i did to the voids

wet hornet Mar 26, 2026, 12:42 PM

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Dude...

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you are genuinely a genious

austere ridge Mar 26, 2026, 12:42 PM

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i am not but thanks ahaha

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i had smarter people teaching me

wet hornet Mar 26, 2026, 12:42 PM

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who taught you damn??

austere ridge Mar 26, 2026, 12:43 PM

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alastairsosuck on r/sandboxels back in the day🔥

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he is one of the best reactor makers and my menthor

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most of the reactor making basic i was teached by him

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he also inspired the making of this reactor!

wet hornet Mar 26, 2026, 12:45 PM

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Wow...

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Bruh i gotta ask him to teach me 😂

austere ridge Mar 26, 2026, 12:46 PM

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sadly he's not very active lately 💔 you can still find him in the server here from time to time

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i did become quite an expert thanks to him and other members so if you have questions abt that topic i can still help if you want!

wet hornet Mar 26, 2026, 8:21 PM

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what modpack has e-void?

austere ridge Mar 26, 2026, 8:23 PM

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machines.js

wet hornet Mar 26, 2026, 8:25 PM

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oh ok

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thanks

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Essential mods are
nousersthings.js
switches.js
jaydstuff.js
ticking_temp_stuff.js
chem.js
ExtraMachines.js
Machines.js

austere ridge Mar 26, 2026, 8:52 PM

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machines.js not with the capital M

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made that error a lot myself lmao

#Improved version of the "Little Sun Fusion Reactor"