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A Syluire-31 hyperspace docking ring with a Delta-7B Aethersprite-class light interceptor

The hyperdrive docking ring, also known as a hyperdrive ring, hyperdrive booster ring, or hyperspace transport ring, was a device used to achieve faster-than-light travel by starships with no onboard hyperdrive.


A Syliure-45 hyperdrive module for an Eta-2 Actis-class Jedi Starfighter

During the millennia of the Galactic Republic, many starfighters were too small to safely contain a hyperdrive, so in order to travel through hyperspace these ships were required to connect to a Hyperdrive Ring. These rings were usually powered by twin reactors and ion drives; the ring contained hypermatter, providing ballast for the attached starfighter during the jump to hyperspace. Variant models could be equipped with additional acceleration pods, increasing both their sublight and supralight speed. In all cases, once a hyperspace jump was complete, the starfighter disengaged from the booster ring, which remained anchored in space, awaiting the ship's return.

This was seen as a vulnerability by some, for if the booster ring was destroyed, the starfighter would be stranded. Starfighters used by the Jedi Order were equipped with adaptable long-range communication relays, which allowed the pilot to contact the Jedi Temple for assistance in these instances. Some Jedi, like Anakin Skywalker, modified their ships to contain ultra miniaturized-hyperdrives, eliminating the vulnerability, at a cost to the hyperdrive's performance and range.


A V-19 Torrent starfighter hyperdrive ring

The Delta-7 Aethersprite-class light interceptor, Delta-7B Aethersprite-class light interceptor, and the Eta-2 Actis-class light interceptor were three of the most visible users of the Hyperdrive Ring Technology. Rho-1 Limulus-class couriers also used them, and the Koros Spaceworks interceptors had rings modified for their benefit.

During the Clone Wars, the two most popular variations of hyperdrive rings were the Syliure-31 long-range hyperdrive module and the Syliure-45 hyperdrive module. Both were manufactured by TransGalMeg Industries, thanks in part to a lucrative subcontract they received from Kuat Drive Yards, builders of the starfighters of the Jedi Order.


Hyperdrive Ring cross section.