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T-45 Intermediate > Systems > Flashcards

Flashcards in Systems Deck (68):
0

Generator rating

28 VDC, 9kW

1

Battery rating

24 VDC, 18 AH

2

Battery life

27 minutes for two
12 minutes for one

3

Onboard AC systems

115 / 26 VAC, 400hz single phase

4

Inverter rating

2x 500W

5

Regulator voltage

28.2 - 29.2 VDC

6

Overvolt rating

30.2 VDC

7

Over current fuse rating

300A

8

Under volt trigger

Less than 25VDC for 1.5s

9

Battery voltage required to reset generator

17VDC

10

Time to extend gear

15s

11

Inverter failure voltage

16 +/- 1VDC

12

Time to retract gear

10s

13

Gear extension airspeed limit

200kias

14

N2, Max engine RPM at MRT

104%
30 min / flight hour

15

N2, Max continuous RPM

100%

16

N2, Max Sea level idle (bleed valve closed)

55% +/- 2% N2

17

Max EGT at MRT

610C for 30 min/hr at MRT

18

EGT, Max continuous

550C

19

N2, max transient / acceleration:

106%, less than 20s.

20

EGT, max sea level idle

450C

21

EGT, Max ground start.

550C, max overshoot of 20C for 10s

22

EGT, max air start

600C, max overshoot of 50C for 10s.

(EGT / RPM warning light will operate at 650 +/- 8C.

23

Idle fuel flow

300-400 pph

24

Max fuel flow

6410 pph

25

GTS / Engine fire light
Trigger temp

300C / 572 F

26

TP HOT light
Trigger temp

150C / 302F

27

Manual fuel control limits

DNE:

95% below 20,000
90% above 20,000

28

Initial shot solenoid activation altitudes

Turns ON: descending through 7,700 +/- 500

Turns OFF: Ascending through 9,500 +/- 300

29

N2, Idle on initial start

52%

30

N2, bleed valve closure on run up

61% +/- 4%

31

N2, idle after bleed valve closure

55% +/- 2,
EGT should drop ~50C

(+3%, - 50C)

Plus altitude and temp corrections:

+1% per 1,500'
+1% per 10C

32

Thrust loss with open bleed valve

~30%

33

Accumulator preload

1100 psi +/- 50 psi

34

EDP output

3000 psi at 9.6 gpm

35

Emergency accumulator pressure

1300 +/- 50 psi

36

H1 priority valve

1500 +/- 100 psi, isolates general services to maintain flight control pressure.

(General services = flaps, slats, speed brakes, landing gear, nose wheel steering, wheel brakes, arresting hook and launch bar)

37

Pressure required for emergency flap actuation

2200 psi.

Emergency brake/flap accumulator provides actuation of brakes/flaps in event of a HYD1 failure. Should provide 1 flap actuation + 10 full brake applications.

Below 2200 psi, priority valve isolates flaps to ensure braking ability.

Slats not actuated with emergency flap lever.

38

HYD caution
Trigger pressure

Less than 1,660 +/- 110 psi in either HYD1 or HYD2

Extinguishes when both above 2,000 psi.

39

HYD FAIL
Trigger conditions

Both HYD1 and HYD2 below 1,660 +/- 110 psi
AND
emergency system press below 600 +/- 50 psi.

40

HYD2 press required to reset RAT

Above 1,800 psi.

Press HYD2 RESET to withdraw RAT.

41

%RPM for ADRS HYD2 Bypass

42%

(Opens HYD2 EDP bypass valve to reduce engine loads during start)

42

%RPM required for HYD2 bypass reset

45%

43

RAT supplied press range

2,500 - 3,000 psi

44

RAT RPM Limit

7,300 RPM

45

HYD2 pressure for RAT spring return

700psi

46

HYD over pressure (PR valve) limit

3,600 psi

47

Engine RPM, 100% N2

15,512

48

Static sea level thrust

5,527 lbf

49

Total oil capacity

25.2 pints

50

Unusable / trapped oil volume

9.6 pints

51

Low oil pressure
( OIL PRESS )
Warning

Measures oil pressure differential between oil feed and scavenge oil pressure.

If differential is LESS than 10 psi for greater than 10s.

Illumination acceptable in positive G after negative or zero G flight for up to 6 seconds.

52

Maximum oil consumption rate

0.8 pint / hour

53

Total usable fuel

427 gallons

54

Unusable / trapped fuel volume

11 gallons

55

-G collector tank volume

60 gal, ~30s inverted flight.

56

Boost pump operation time after generator loss

30s

57

Standard fuel pressurization

6psi above datum

58

Relief pressures, Dual datum relief valve

9.5 psi for normal flight
4psi for pressure refueling, or tailhook down

59

F PRESS Caution
Trigger pressure

3psi above datum

60

Low fuel caution
( FUEL )
Trigger

350 lb float switch located in -G compartment. 10s delay.

61

OBOGS O2 concentration

89-93 %

62

Test manual fuel RPM drop

Normal 2-3%
Max 6%

63

EGT Max on acceleration / transient

645 for less than 20 s

64

Remains with GINA failure

Airspeed
Altitude (but jittery)

TACAN

NO HEADING INFO = no gyro PAR

65

secondary fire indications

Smoke/fumes/flames
TP HOT
GTS FIRE
Rising EGT
Vibrations/chugs/noise, etc
hyd pressure loss / light

66

Anti-Skid activation speeds

Acceleration: above 30kts
Deceleration: below 10-13 kts

67

HYD Caution Light extinguishes when both HYD1 and HYD2 return above _____PSI

2,000 PSI