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Ion Drives
Xenon-fed ion thrusters deliver sustained high-specific-impulse thrust at a fraction of the deuterium burned by conventional rockets. Fleets travel farther and cheaper.
+25% fleet speed, -10% fuel cost per level
Effects per Level
Fleet Speed+25% / level
Fuel Cost-10% / level
Prerequisites
Enables (0)
No techs require this
Research Cost per Level
| Level | Metal | Crystal | Deuterium |
|---|---|---|---|
| 1 | 2,000 | 3,000 | 1,000 |
| 2 | 3,000 | 4,500 | 1,500 |
| 3 | 4,500 | 6,750 | 2,250 |
| 4 | 6,750 | 10,125 | 3,375 |
| 5 | 10,125 | 15,187 | 5,062 |