Difference between revisions of "Fourth Bridge"

→‎Mechanics: fixed spelling error
m (removed link to itself; italics and bold for the name in the intro)
(→‎Mechanics: fixed spelling error)
 
 
=== Mechanics ===
The airship doesn't so much fly as it is held in the air by [[fabrial]]s. There are hundreds of gemstones forming a lattice of masivemassive conjoiners embedded into the ship. They are connected to a pair of "dummy ships". One of the dummies is hanging off the side of the [[Urithiru]] plateau; the other stands on the [[Shattered Plains]].{{book ref|sa4|15}}{{book ref|sa4|19}} The airship is steered from those two lattices; the ''Fourth Bridge'' communicates its needs to them through [[spanreed]]s. As they cannot be used for long periods of time due to movement, the scribes use them by turning them on and off, creating a code of blinks.{{book ref|sa4|3}}
 
The conjoiner fabrials are isolated using [[aluminum]] so that only certain planes of movement are transferred between the paired gem halves. The Urithiru structure can only convey vertical motion; the Shattered Plains lattice can only transfer horizontal motion. The former is lowered to raise the airship, while the latter is moved around to make it fly and turn in any direction.{{book ref|sa4|19}}{{book ref|sa4|3}} To allow the ship to continue moving when the space for the lattices runs out, an additional aluminum mechanism is used to reverse the motion while the gemstones are temporarily unhooked.{{book ref|sa4|3}}
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