Figure 6-27.-Foilborne propulsor control system (FITS) panel.
shutdown, control is transferred back to the EOS
a portion of the ACS and the forward strut steering
where the GTE is shut down with automatically
circuits, allowing the helmsman to steer with the
controlled logic.
forward strut while the craft is hullborne.
FOILBORNE
PROPULSOR
CONTROL
FOILBORNE
ENGINE
CONTROL
SYSTEM. The FPCS consists of a GTE, a Western
SYSTEM. The FECS provides for automatic starting
Gear gearbox, an Aerojet Liquid Rocket propulsor
and stopping of the GTE and the gearbox auxiliary
assembly, and an ELDEC propulsion control
lube oil pump. With the mode selector switch in the
system. Interfacing support systems include the
auxiliary (AUX) position, the helmsman can obtain
gas turbine inlet and exhaust air systems,
manual control of some of these functions by using
secondary cooling air, air starting (pneumatic)
the individual control switches. Functions that can be
system, and electrical power.
controlled manually are engine compressor washing,
engine waste drain transfer, demister panel anti-
Although control for the gearbox auxiliary lube
icing, engine secondary cooling air, engine fuel
oil pump is contained in the FECS, manual control
shutoff valve test, engine fuel system purging, engine
for the lube oil tank heater is provided on the FPCS
fuel heating, starting air compressor activation,
panel, as shown in figure 6-27. Indicating and
warning lights and temperature and pressure gauges
detailed view of the EOS panel shown in figure 6-24
are provided for monitoring propulsor system
is an FECS panel. Notice the dial faces and how the
operation. Test points are provided on the edges of
indicating and warning lights and temperature and
the FPCS circuit cards.
pressure gauges are provided for monitoring foilborne
operations. The circuit cards used in the FECS have
LEDs and test points on the edges for
FOILBORNE OPERATIONS
troubleshooting.
From reading the preceding sections on the main
As mentioned earlier, the GTE is started by the
components and control systems of the foilborne
operator in the EOS. Then, throttle control is
propulsion system, you have likely deduced how the
transferred to the helm for foilborne operation. Before
equipment units and control systems work together to
