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shipbuilding Tech Comparison

Graviton Cargo Expander vs Self-Repairing Hulls

Comparing the Graviton Cargo Expander (Tier 2) and Self-Repairing Hulls (Tier 3), both shipbuilding technologies in Starforge MMO. Use this to decide which to queue first when your research lab can only run one project at a time.

Research Comparison

AttributeGraviton Cargo ExpanderSelf-Repairing Hulls
TierT2T3
Research time418
metal cost3,00035,000
crystal cost1,80018,000
Effectunlock ship: nebula-drifter+2% out of combat repair per min

▼ marks the lower resource / time cost. Cheaper isn't always better — weigh it against the effect each tech unlocks.

Graviton Cargo Expander

Unlocks construction of the nebula-drifter (corvette class).

Unlocks ships: nebula drifter

Self-Repairing Hulls

Nanite-laced hull plating repairs 2% of max HP per minute outside combat.

Requires: shipbuilding 2

Which Should You Research First?

The Graviton Cargo Expander is the lower-tier prerequisite step and typically comes first in the shipbuilding branch, opening the path toward Self-Repairing Hulls.

Graviton Cargo Expander details →Self-Repairing Hulls details →

More shipbuilding comparisons