Building: PlanetaryEngine
	Name: #BLD_PLANET_ENGINE
	Description: #BLD_PLANET_ENGINE_DESC
	Sprite: PlanetThruster

	Category: Military

	Size: 5x5

	Base Cost: 500
	Tile Cost: 20

	Build Affinity: Oceanic
	Maintenance Affinity: Oceanic

	Base Maintenance: 70
	Tile Maintenance: 5

	Build Time: 300

	RequireUnlockTag(PlanetaryEngineUnlock)
	RequireNotStatus(Ringworld)
	AddAccelerationBonus(0.5)