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Hyperdrive

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A T-14 hyperdrive generator.
A T-14 hyperdrive generator.

Hyperdrive propulsion systems (occasionally called warp drives) were vital starship components that allowed starships to enter hyperspace to traverse the vast distances of space at faster-than-light speeds, and thus were a key technology in the foundation of intergalactic society, trade and war. The construction and working principle of hyperdrives was based on Hyperdrive Theory. The term was used to describe the engine and all components required for its use, such as the hyperdrive motivator or hyperdrive field guide.

In numbers, the hyperdrive allowed travelers to traverse a galaxy spanning over 120,000 light years in only a few hours or days, the exact travel time depending on a number of factors including destination, point of origin, route, and class of hyperdrive.

The hyperdrive was generally built from a titanium-chromium compound. This compound was specially designed for hyperdrives to allow them to stand up against continual stress put on them jumping between the dimensions of realspace and hyperspace.

Contents

[edit] Principles

After receiving commands from a ship's pilot via paralight system, the process of a hyperspace jump began with the collection of gamma radiation by the field guide. A motivator would build up and modify the energy in a fusion generator through several kilometers of looped superconducting wire. To enter hyperspace, the hyperdrive's horizontal boosters would provide energy to the ionization chamber to begin ignition that would release the radiation, causing ripples in the time-space matrix and allowing the ship to propel off the ripples into hyperspace. Inertial dampers were used to protect the ship, crew, and cargo from being crushed by the tremendous acceleration of the jump. Once in hyperspace, a null quantum field generator helped stabilize the vessel and kept it from prematurely emerging from the alternate dimension. Shields also protected the ship from fatal collisions with interstellar gas and dark matter particles. To prevent the relativistic passing of time while in hyperspace, starships used stasis fields attuned to hyperdrive levels to keep organic onboard crews or cargoes "in time" with the standard galactic dimension.

Certain hyperdrives used anti-matter as fuel, stored in special anti-matter pods, though it remains unclear how this integrated with other hyperdrive mechanics.

Upon exiting hyperspace an unknown technology was used to decelerate the starship. Both entrances into and exits from hyperspace created wake rotation and Cronau radiation that produced a detectable signature often used to reconnoiter fleet movements or by planetary customs authorities. Other technologies, such as the 4-axial stabilizer and hyperdrive regulator kept the ship from being ripped apart by the physics of hyperspace travel. To prevent overheating, some hyperdrives made use of overheat fail safes, like a hyperspace shunt or transpacitor, or alluvial dampers to regulate the flow of ion particles used to provide superluminal thrust.

A hyperdrive could only initiate a jump into hyperspace when free of the gravitic pull of a major celestial body. Sublight engines were used to liberate the starship from a body's gravity well before the ship could jump. Hyperdrives included an automatic failsafe that cut out the hyperdrive when a gravity well was detected in the navigational path. While this was used to prevent a collision in the event of an astrogational error, the failsafe was manipulated by engineers to create artificial gravity wells, such as those used on Imperial Immobilizer 418 cruisers or Hapan pulse matter mines, to either pull starships from hyperspace at a specific location or to prevent them from fleeing into hyperspace. This, of course, relied on either knowledge of a starship's travel pattern or being situated along a particularly popular hyperspace route. Some systems allowed an override of the failsafe, but it was known to have disastrous effects.

It is unclear if the Yuuzhan Vong's "Superluminal Transit" used the same principles as hyperdrive technology with mechanical parts replaced by organic creatures, or if it relied on an entirely different extragalactic method of travel.

[edit] History

Though the Columi developed interstellar travel nearly one hundred thousand years BBY, it is not known if they developed a true hyperdrive; what is known is that the fragile race soon gave up their interstellar travels to focus on other scientific and mental pursuits. The first interstellar space drive known to make use of hyperspace was developed by the Rakata, who built their Infinite Empire around technology using the dark side of the Force to travel through hyperspace.

Humans developed sleeper ships to first explore the stars, and later hyperspace cannons that boosted ships into hyperspace, before they in turn discovered the hyperdrive.

Around 25,000 BBY, two hundred years after the fall of the Infinite Empire, the peoples of the planet Corellia finally discovered ways of working around the Force-attuned components of the Rakata technology and produced their own version of the hyperdrive; the Duros also independently created such workarounds. Within twenty years the technology had been stabilized to the point of general use, and the Corellians began to sell hyperdrives to nearby star systems (though some considered the trade practices of the Corellians during this era to be exploitation).

The development of the hyperdrive was not limited to the Core Worlds. The Tionese of the Tion Cluster developed their own version of the hyperdrive by fusing bits of Rakatan technology with fixed-position hyperspace beacons, which allowed travel within a defined area but was dangerous when venturing outside the "lighthouse" network. This kept the Tionese isolated from the rest of the galaxy for millennia, though they occasionally encountered the growing Hutt Empire.

Thus the Expansionist Era, an age of colonization, exploration and unification, began; the seeds of the Galactic Republic were sown between the Core Worlds of Coruscant, Alderaan, Corellia, Duro, and Chandrila. As the Republic expanded, new members were granted access to the hyperdrive technology made available by the earliest starship manufacturers like Alderaan Royal Engineers, Core Galaxy Systems, Corellian Engineering Corporation and Rendili StarDrive.

Explorers began to test the realm of hyperspace while prospectors attempts to gain rights to what they anticipated as profitable routes. Hyperspace exploration was a risky but profitable business. The development of the Perlemian Trade Route and the Corellian Run established the earliest stable system of hyperlane travel. Astrogation maps became valuable commodities as scouts explored new planets, species and regions.

As the Republic began to process the incredible inflow of new information, the Republic Spacelane Bureau was formed and Coruscant became the navigational center of the Republic with the coordinate zero-zero-zero. The Spacelane Bureau fought to end private control of information regarding hyperlanes and established a protected set of beacons for major pathways to liberate them from the control of privately held charts. The technology allowed for a galactic economy to form fueled by standardized currency and the Core language of Basic. At the same time, the arrival of hyperdrive technology to warring worlds, such as Ando, produced disastrous results.

Over time, the hyperdrive became increasingly commonplace. Beyond the early foundation of the Republic, the Great Hyperspace war and subsequent expansion, hyperdrives would allow for many terrible wars and periods of tremendous prosperity. From the founding of the Republic forward, hyperdrive technology continued to be one of the driving features of galactic society.

[edit] Operational history

The earliest hyperdrives would be considered slow by the standards of the early third decade ABY. Limited in range and often unreliable, hyperdrives gradually advanced to allow increasingly large ships to travel increasingly longer distances with greater safety, ease and speed.

The development of navigational computers to handle complex astrogation calculations did away with the need for hyperspace beacons and jump gates, and ended the reliance on established routes; as long as a pilot knew where he was going, the NavCom could take him there.

Despite rapid advances in hyperdrive technology, the systems were too large to be practical for most small space faring vessels. Even by the last century of the Republic, many starfighters made use of hyperdrive rings and hyperdrive sleds to achieve superluminal travel. By the end of the Clone Wars, it became more common for starfighters and freighters to make use of onboard hyperdrives.

During the establishment of Palpatine's New Order, hyperdrive enabled ships commonly carried backup hyperdrives and few space worthy vessels relied upon larger, hyperdrive-enabled starships for transport.

[edit] Classes

Hyperdrive Classifications
Hyperdrive Classifications

The superluminal speed of a hyperdrive was rated on a decreasing scale; the faster the hyperdrive, the lower the rating. These ratings were generally referred to as "Classes" and provided a quick, although often inconsistent or inaccurate, idea of a ship's hyperdrive speed. In 30 BBY, Class 3 drives were experimental, and by the end of the Clone Wars most military starships were using Class 3 or Class 2. During the Galactic Civil War, military capital ships and starfighters were generally equipped with Class 1 or Class 2, industrial freighters and haulers with Class 3 or Class 4, and civilian starships with Class 5 or above.

Some starships, such as the Millennium Falcon, underwent after-market modifications to achieve ratings of Class 0.5, and Dash Rendar's Outrider also had a hyperdrive Class 0.75, which was also achieved by modifications, although tampering with the generally stable technology of a hyperdrive was considered a dangerous activity. Hyperdrives built by those outside the sphere of the Galactic Republic, Galactic Empire and New Republic, such as the Hapan Froond-class hyperdrive, were not classed in the standard system, as controlled comparisons were difficult to attain.

Additionally, some spacecraft, like the Theta-class shuttle, had backup hyperdrives of Class 15.

[edit] Malfunctions

Sometimes, the hyperdrive malfunctioned while in operation. When this occurred, many things could happen, however most consequences are unknown and usually fatal. Still, some malfunctions did not have such grim conclusions. Faulty relativistic shielding could expose passengers to the altered space-time continuum, causing a journey which seemed a few hours to actually take centuries in the real world. Bosbit Matarcher was known to have experienced this phenomenon.

[edit] Behind the scenes

While the majority of the Expanded Universe uses the classification system described above, the Thrawn Trilogy by Timothy Zahn, however, uses an opposite system: the lower the rating, the slower the hyperdrive.

In the two roleplaying games based on Star Wars, Star Wars: The Roleplaying Game by West End Games and the Star Wars Roleplaying Game by Wizards of the Coast, the hyperdrive class acts as a multiplier for the base travel time. Thus, a Class 2 takes twice the listed time to travel a given route, while the Millennium Falcon's Class 0.5 takes only half the listed time.

It is important to note that the TIE Defender does have a Class 2 hyperdrive despite the guide's speed chart indicating it does not have one. The New Essential Guide to Vehicles and Vessels chart seems to have accidentally copied the TIE Interceptor stats for the TIE Defender and the mistake was not caught before going to publication.

[edit] Appearances

[edit] Sources

[edit] External links

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