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Hydraulic control circuit

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Legends. This article is part of Legends: the expanded-universe stories that Lucasfilm set apart from canon in 2014.

Hydraulic control circuits, also known as HCCs, were a type of specialized energy distribution system.

A throwback to an earlier era of shipbuilding, hydraulic control circuits used countless near microscopic transparisteel tubes filled with highly conductive liquid metal similar in composition to mercury; held under pressure and regulated by a series of valves, this metal controlled the flow of energy throughout the ship. Ultimately bulky, antiquated, and hard to work with when compared to modern conductive composite wafer boards, the circuits were notable for their incredible resistance to the effects of ion weapons, leading some spacers to use the circuits despite their age and difficulty of use.

Text and facts from the “Hydraulic control circuit” article on Wookieepedia, licensed under CC BY-SA 3.0. Modified for this site.

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