| abstract | - Repulsorlifts only worked within a gravity well, as the technology required mass to push against. For a typical habitable planet such as Alderaan, "antigrav range" was approximately six planetary diameters, or around seventy-five thousand kilometers. Repulsorlifts used minimal power and were reliable enough to be utilized continuously. Repulsorlifts could be assembled in arrays, clusters, or vanes studded with micro-coils of gravitic "knots". These units were then mounted on a vehicle or spacecraft, usually on the underside. The many repulsorlifts needed for a large ship were typically powered by a dedicated "antigrav generator." Larger vessels were only able to make planetfall with the aid of massive ventral repulsorlift suspension units. In fact, the landing legs of a Lucrehulk-class Core Ship could not support the ship's immense weight without the aid of repulsorlifts. The five planets of the Corellian system possessed massive repulsors on their surface. They were so powerful that they could destroy capital ships in nearby space, and even stop the devastating firepower of Centerpoint Station, which created gravitational shifts great enough to destroy stars. The Verpine of the Roche asteroids utilized repulsorlifts in asteroid shepherding. Vehicles that commonly employed repulsors include speeder bikes, swoops, landspeeders, airspeeders and starships capable of operating in a planetary atmosphere. Power chairs, repulsorsleds and skimboards also used this technology. Jaina Solo and Lowbacca along with scientists discovered that a miniature repulsor could mimic the gravitic signature of a Yuuzhan Vong ship they captured, the Trickster, enabling the New Republic to trick the Yuuzhan Vong into attacking their own ships, creating decoys, and confusing them in battle. This would turn the tide of the Yuuzhan Vong War. Repulsor units built for vehicles could also be used in droids, as demonstrated by MD-0C6, who used the repulsor engine of a speederboat on himself to increase his own mobility.
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