1. FortressCraft Evolved
2. handbook-Materials
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The base Ore Extractor is a useful piece of machinery, but is far from its maximum power. The extractor can be upgraded with two parts: New motors and new cutter heads. With the control panel open click the appropriate upgrade slot and the best upgrade from your inventory will be inserted. You can also drag the upgrades from or to your inventory.

Motor

A new motor increases the speed at which the excavator drill head mines, which means you will receive more ore per minute. The increased speed comes at higher power cost so ensure your power supply is sufficient before upgrading.

Cutter Head

Upgrading the cutter head increases the efficiency at which the excavator extracts ores. This means that it will be able to retrieve more ore from a vein over its lifetime. Besides the efficiency upgrade, the new cutter head will also allow the excavator to dig harder materials, which the base cutter head may not be able to cut into at all.

HoloBase readout

Power Packet Size:
Yellow:
Red/Blue Flash:
Red/Cyan Flash:
Red/Black Flash:
Red/Green Flash:

Working
Out of Power
Out of Storage
Idle
Drill Stuck

Extrusion Plant

The extrusion plant is a regular conveyor fitted with a machine for extruding metal bars into wires.