Grav-drives and graviton generators serve as forward propulsion for starships and artificial gravity for crew.
Starships in Stardust Empire employ a propulsion technology known as "gravitic propulsion" or "Grav-drives". These engines use a fusion reactor to pump energy into a gravitic distortion generator that accelerates the ship along a limited axis. This propulsion system can also turn the ship, causing it to streak through space in the general direction of the forward bow. Surplus energy from the fusion drive is used to power the rest of the ship.
Similar gravitic technology is used to generate artificial gravity for the ship, reducing inertial effects and providing a comfortable 1-G for walking and exercise. Grav tech also plays a role in the standard beam weapons employed by military ships.