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Star Trek - The Next Gene…ractive Technical Manual
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Star Trek The Next Generation Interactive Technical Manual.iso
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0320220.txt
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1994-08-09
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NAVIGATIONAL DEFLECTOR
Although the density of the interstellar medium is extremely low,
significant hazards to navigation exist, especially for a starship traveling at
relativistic or warp velocities. Among these are micrometeoroid particulates,
as well as the much rarer (but more hazardous) larger objects such as
asteroids. Even the extremely tenuous stray hydrogen atoms of the
interstellar medium itself can be a dangerous source of friction at sufficient
velocities.
HARDWARE
The heart of the navigational deflector system is three redundant
high power graviton polarity source generators located on Deck 34. Each of
these generators consists of a cluster of six 128 MW graviton polarity
sources feeding a pair of 550 millicochrane subspace field distortion
amplifiers. The flux energy output of these generators is directed and
focused by a series of powerful subspace field coils.
The main deflector dish consists of a duranium framework onto
which is attached the actual emitter array, constructed of a series of
molybdenum-duranium mesh panels that radiate the flux energy output. The
dish is steerable under automatic computer control by means of four high-
torque electrofluidic servos capable of deflecting the dish up to 7.2í from the
ship╒s Z axis. Phase-interference techniques are used to achieve fine aiming
of the deflector beam, using modulation control of the emitter array.
Subspace field coils just upstream of the actual deflector emitter dish are
used to shape the deflector beam into two primary components. First, a
series of five nested parabolic shields extend nearly two kilometers ahead of
the ship. These low-power fields are relatively static and are used to deflect
the stray hydrogen atoms of the interstellar medium as well as any
submicron particulates that may have escaped the deflector beam. The
navigational deflector, also controlled by the subspace field coils, is a
powerful tractor/deflector that sweeps thousands of kilometers ahead of the
ship, pushing aside larger objects that may present a collision hazard.
LONG-RANGE SENSORS
Because the main deflector dish radiates significant amounts of both
subspace and electromagnetic radition, it can have detrimental effects on
the performance of many sensors. For this reason, the long-range sensor
array is located directly behind the main deflector, so that the primary axis of
both systems are nearly coincident. This arrangement permits the long-
range sensors to ╥look╙ directly through the axis of the fields.
The long-range sensor array is a key element of the navigational
deflector system because it is used to provide detection and tracking of
objects in the ship╒s flight path. The forward sensor array can also be used to
provide this information, but doing so results in lesser detection ranges and
may use sensor elements better assigned to scientific use.
The molybdenum-duranium mesh of the main deflector emitters is
designed with areas of 0.52 cm perforation patterns so as to be transparent
to the long-range sensor array. Note that certain instruments, notably the
subspace field stress and gravimetric distortion sensors, will not yield usable
data when deflector output exceeds a certain level (typically 55%, depending
on sensor resolution mode and field-of-view.
OPERATIONAL CONSIDERATIONS
At normal impulse speeds (up to 0.25c), navigational deflector output
can usually be kept at about 27 MW (with momentary surge reserve of 52
MW). Warp velocities up to Warp 8 require up to 80% of normal output with
surge reserve of 675,000 MW. Velocities exceeding Warp Factor 8 require
the use of two deflector generators operating in phase sync, and velocities
greater than Warp 9.2 require all three deflector generators in order to
maintain adequate surge reserve.
Navigational deflector operation is somewhat more complex when
the Bussard ramscoop is in use because the navigational deflector actually
pushes away the interstellar hydrogen that the collector seeks to attract. In
such cases, field manipulation is employed to create small ╥holes╙ in the
navigational deflector shields, permitting the rarefied interstellar hydrogen to
be directed into the ramscoop╒s magnetic fields. ╞