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This document is for FrackinUniverse version 5.5.61 unless otherwise stated! Edit

- Current version is 5.6.222 as of the 3rd May 2018 - Edit

Fuel is a currency which is consumed in order to generate power or operate a machine. Fuel is gained by sacrificing specific types of items, called fuel items.

Two major categories of fuel items exist: spaceship fuel items, which are used to refill the player ship's FTL fuel supply, and generator fuel items, which are used in generators to create the electricity required to operate many objects crafted at a Power Station.

Spaceship Fuel ItemsEdit

Spaceship fuel items are loaded into the player ship's Fuel Hatch. If the FTL fuel supply is not already at maximum capacity, the Fuel button can be pressed to convert some fuel items in the Fuel Hatch into FTL fuel.

Name Fuel per unit Version
Crystal Erchius Fuel 2 5.6.2211
Liquid Erchius Fuel 1 5.6.2211
Precursor Quantum Fluid 200 5.6.2211
Ultronium Rod 300 5.6.222
Uranium Ore 7 5.6.2211
Uranium Rod 9 5.6.2211
Plutonium Ore 6 5.6.2211
Plutonium Rod 8 5.6.2211
Thorium (Th) 4 5.6.222
Thorium Rod 6 5.6.222
Neptunium (Np) 4 5.6.222
Neptunium Rod (Np) 5 5.6.222
Radioactive Honeycomb 1 5.5.61
Mutagenic Honey Jar 6 5.5.61
Plutonium Honeycomb 2 5.5.61
Healing Honey Jar 12 5.5.61
Solarium Honeycomb 4 5.5.61
Quasar Honey Jar 20 5.5.61
Solar Honeycomb 10 5.5.61
Erithian Algae 3 5.6.222
Erithian Biofuel Canister 15 5.6.222
Deuterium (2H) 2 5.6.222
Tritium (3H) 3 5.6.222
Enriched Uranium (U) 25 5.6.222
Enriched Plutonium (Pu) 21 5.6.222
Biofuel Canister 8 5.6.222
Protocite Fuel Canister 25 5.6.222
Glowing Sand 1 5.5.61
Energy Wood 1 5.6.2211
Hydrogen (H) 1 5.6.222
Metallic Hydrogen 10 5.6.222
Liquid Metallic Hydrogen 70 5.6.2211
Energiflower 4 5.6.2211
Bag of Farts 150 5.6.222

Generator Fuel Items Edit

Several electricity generators require fuel items to function: the Alternator Generator, the Combustion Generator, the Fission Reactor, and the Quantum Reactor. Each has its own list of valid fuel items and their benefits.

Alternator Generator Edit

The Alternator Generator's electricity generation per time is independent of the type of fuel item used. Fuel item type only determines the rate of consumption. However, in order to reach the maximum power output, the generator will need to reach certain heat thresholds. These are as documented.

Heat Threshold (%) Time to Hit Threshold (Sec) Power Output (W)
10 2 0
30 6 1
50 10 2
70 14 3
90 18 4

Thus, certain fuel types will only be able to reach certain power outputs if insufficient amount of it is given to the generator.

Fuel Source Fuel Usage Time (Sec)
Water 4
Water Bucket 4
Wooden Log 7
Coal Ore 7
Energy Wood 14

Combustion Generator Edit

The Combustion Generator's electricity generation per time is independent of the type of fuel item used. Fuel item type only determines the rate of consumption of fuel items. Similar with the Alternator Generator, in order for the Combustion Generator to reach its maximum power output, it will need to reach certain heat thresholds. The heat thresholds and time it takes to hit such threshold is as follow,

Heat Threshold (%) Time to Hit Threshold (Sec) Power Output (W)
10 2 3
30 6 5
50 10 7
70 14 9
90 18 12

Thus, certain fuel types will only be able to reach certain power outputs if (in)sufficient amount of it is given to the generator.

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Fuel Source

Fuel Usage Time (Sec)
Paper 2
Wooden Log 4
Unrefined Wood 4
Coal Ore 6
Biofuel Canister 8
Oil 8
Liquid Erchius Fuel 10
Erithian Biofuel Canister 12
Erchius Crystal 14
Protocite Fuel Canister 16
Crunchy Chick (Food) 20
Energy Wood 25

Fission Reactor Edit

The Fission Reactor's electricity (and radiation) generation per time is dependent on the fuel item types placed in the four fuel slots. The fuel will decay based on a number generator that is ran every second. Once the fuel decays, it will either create Tritium (3H) or Radioactive Waste, both individually having a 50% chance to appear. The accumulation of the Tritium (3H) and Radioactive Waste will add to the radioactivity of the reactor.

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Fuel Source

Fuel Power Output (W) Chance of Decay
Biofuel Canister 4 1 / 60
Erithian Biofuel Canister 4 1 / 60
Protocite Fuel Canister 5 1 / 60
Deuterium (2H) 6 1 / 80
Uranium Rod 7 1 / 80
Neptunium Rod (Np) 7 1 / 80
Tritium (3H) 9 1 / 80
Thorium Rod 9 1 / 80
Enriched Uranium (U) 10 1 / 500
Plutonium Rod 10 1 / 80
Enriched Plutonium (Pu) 16 1 / 500
Solarium Star 19 1 / 80
Ultronium (Ux3) 21 1 / 500

Power Output

The instant you put a fuel source into the reactor, it will immediately start outputting power depending on whether you filled the 4 slots or not. As such, placing 1 Biofuel Canister into first slot will make the reactor output 4W. Placing another canister into the second slot will make the reactor output 8W. Placing another canister into the third slot will make the reactor output 12W and etc. You can also mix the type of fuel source.

Hence, if you put in the following mix of fuel

You will output 4 + 4 + 5 + 21 = 30 W of power.

Decay Edit

Every second, the game will perform a random number generation on each of the fuel slots. If it hits a specific number that has a chance of appearing as specified in the table, it will consume the fuel and cause it to decay into either Tritium (3H) or Radioactive Waste, both individually having a 50% chance to appear. As such, you can expect a Biofuel Canister to last 1 minute while a Enriched Uranium (U) rod can be expected to last up to 8 minutes. However, since this is dependent on a random number generator, the fuel source can be consumed right as you put it in if you have bad luck.

Radiation Edit

Radioactivity is based on the following formula:

Radioactivity += ((Total Power Output - 4) * 2 + Get Radioactive Waste Count)

Get Radioactive Waste Count being 5 if the game is able to detect there is 75 or more Radioactive Waste (Not including Tritium) stored in the reactor. Radioactivity will also go up in increments of 5 if a fuel source has decayed and there were already Radioactive Waste or Tritium (3H) in the reactor.

Hence, it is best to ensure that the reactor's waste pile does not accumulate with in the reactor itself. Thus, slowing the radiation build up and speeding up the dispersal of radioactivity once the fuel runs out or is removed.

Total Power Output is the combined power output of all 4 slots. Hence, 4 Biofuel Canisters with a Total Power Output of 16 will add 24 to Radioactivity.

Radiation will only start to damage the player once Radioactivity is 50 or above. Hence with 4 canisters, it will take 3 seconds before radiation starts damaging the player.

The accumulation of Radioactivity will only increase the range but no the damage.

Quantum Reactor Edit

The best reactor you can build from the Power Station. Edit

The Quantum Reactor's electricity generation per time and fuel item consumption rate depend on the fuel item type. For the reactor to achieve maximum electricity generation, it must heat up to certain thresholds. Each threshold will add additional power to the fuel item power output. The table is as follow,

Heat Threshold (%) Power Output (W)
0 0
5 5
20 9
30 12
50 16
70 20

Thus, the total power output is

Quantum Power Output = Heat Power Output + Fuel Item Power Output

The following table will list the fuel items that the Quantum Reactor will accept. The power output from the fuel item will also determine how long it will last in the reactor. Thus, the Biofuel Canister that provides a base power output of 30 W will last 30 seconds.

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Fuel Source

Fuel Power Output (W) /

Fuel Usage Time (Sec)

Maximum Reactor

Power Output (W)

Biofuel Canister 30 50
Erithian Biofuel Canister 40 60
Uranium Rod 45 65
Energiflower 50 70
Plutonium Rod 50 70
Liquid Protocite 60 80
Neptunium Rod (Np) 60 80
Enriched Uranium (U) 65 85
Energy Wood 70 90
Thorium Rod 70 90
Metallic Hydrogen 75 95
Protocite Fuel Canister 75 95
Enriched Plutonium (Pu) 75 95
Elder Fluid 80 100
Solarium Star 80 100
Deuterium (2H) 85 105
Ultronium (Ux3) 90 110
Tritium (3H) 95 115
Liquid Metallic Hydrogen 95 115
Liquid Deuterium 108 128

Precursor Generator Edit

This legendary generator can be difficult to find, and takes up a lot of space but gives a lot of power.