Engine and Related Systems
T-45C TS, ADV & IUT ENG-04
b.
Exhaust gas temperature (EGT): thermocouple
junction box derives EGT information from two
thermocouples mounted in gas flow just aft of
N1 turbine
(1) T2 thermocouple, mounted in airstream
(ambient) air temperature
(2) Military Rated Thrust (MRT): 610 degrees
C, time restricted to 30 minutes per flight
hour
(3) Maximum continuous: 550 degrees C, time
unrestricted
(4) Idle: 450 degrees C, time unrestricted
(5) Transient/acceleration: 645 degrees C,
time restricted to less than 20 seconds
(6) Ground start: 550 degrees C
(7) Transient during ground start: 20 degrees
C overshoot, time restricted to 10 seconds
(8) Airstart: 600 degrees C
(9) Transient during airstart: 50 degrees C
overshoot, time restricted to 10 seconds
c.
Fuel flow
Sg 2, fr 4
(1) Idle: 300-400 pph
GTS and Engine
Firewire Location
(2) Maximum: 6410 pph
d.
Fire detection system
(1) Consists of two sets of automatic resetting
firewire elements
(a) One encircles engine bay
Change 5 (9-98)
Page 4-8
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