Precursor Reactor is the most powerful generator in the game (it consumes hi-tech fuel to produce up to 1055W). These reactors can be found in underground Precursor biomes (they are randomly placed in large, well-illuminated rooms, and can be obtained by destroying the tiles under the reactor itself).
Aside from fuel, you will need to place one Neutronium Rod and one Anti-Neutronium Rod into the Reactor. They are not consumed, but they need to be present for Reactor to work.
Mechanics
The Precursor 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 follows:
| Heat Threshold (%)
|
Power Output (W)
|
| 0
|
0
|
| 1
|
15
|
| 7
|
35
|
| 20
|
60
|
| 40
|
80
|
| 50
|
95
|
Thus, the total power output is
Precursor Power Output = Heat Power Output + Fuel Item Power Output
The following table will list the fuel items that the Precursor Reactor will accept. The power output from the fuel item will also determine how long it will last in the reactor. Thus, the Crunchy Chick that provides a base power output of 100W will last 100 seconds.
Other info
Precursor Reactor has 100000 hitpoints. Mining it directly will take almost 14 minutes with a fully-upgraded Master Manipulator. Luckily you don't need to do that: you can simply mine the blocks on which the reactor is standing.
Items crafted here
