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T-45 Intermediate > Systems > Flashcards

Systems Flashcards

0
Q

Battery rating

A

24 VDC, 18 AH

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1
Q

Generator rating

A

28 VDC, 9kW

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2
Q

Battery life

A

27 minutes for two

12 minutes for one

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3
Q

Onboard AC systems

A

115 / 26 VAC, 400hz single phase

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4
Q

Inverter rating

A

2x 500W

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5
Q

Regulator voltage

A

28.2 - 29.2 VDC

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6
Q

Overvolt rating

A

30.2 VDC

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7
Q

Over current fuse rating

A

300A

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8
Q

Under volt trigger

A

Less than 25VDC for 1.5s

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9
Q

Battery voltage required to reset generator

A

17VDC

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10
Q

Time to extend gear

A

15s

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11
Q

Inverter failure voltage

A

16 +/- 1VDC

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12
Q

Time to retract gear

A

10s

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13
Q

Gear extension airspeed limit

A

200kias

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14
Q

N2, Max engine RPM at MRT

A

104%

30 min / flight hour

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15
Q

N2, Max continuous RPM

A

100%

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16
Q

N2, Max Sea level idle (bleed valve closed)

A

55% +/- 2% N2

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17
Q

Max EGT at MRT

A

610C for 30 min/hr at MRT

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18
Q

EGT, Max continuous

A

550C

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19
Q

N2, max transient / acceleration:

A

106%, less than 20s.

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20
Q

EGT, max sea level idle

A

450C

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21
Q

EGT, Max ground start.

A

550C, max overshoot of 20C for 10s

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22
Q

EGT, max air start

A

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

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

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23
Q

Idle fuel flow

A

300-400 pph

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24
Q

Max fuel flow

A

6410 pph

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25
Q

GTS / Engine fire light

Trigger temp

A

300C / 572 F

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26
Q

TP HOT light

Trigger temp

A

150C / 302F

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27
Q

Manual fuel control limits

A

DNE:

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

28
Q

Initial shot solenoid activation altitudes

A

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

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

29
Q

N2, Idle on initial start

30
Q

N2, bleed valve closure on run up

A

61% +/- 4%

31
Q

N2, idle after bleed valve closure

A

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

(+3%, - 50C)

Plus altitude and temp corrections:

+1% per 1,500’
+1% per 10C

32
Q

Thrust loss with open bleed valve

33
Q

Accumulator preload

A

1100 psi +/- 50 psi

34
Q

EDP output

A

3000 psi at 9.6 gpm

35
Q

Emergency accumulator pressure

A

1300 +/- 50 psi

36
Q

H1 priority valve

A

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
Q

Pressure required for emergency flap actuation

A

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
Q

HYD caution

Trigger pressure

A

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

Extinguishes when both above 2,000 psi.

39
Q

HYD FAIL

Trigger conditions

A

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

40
Q

HYD2 press required to reset RAT

A

Above 1,800 psi.

Press HYD2 RESET to withdraw RAT.

41
Q

%RPM for ADRS HYD2 Bypass

A

42%

Opens HYD2 EDP bypass valve to reduce engine loads during start

42
Q

%RPM required for HYD2 bypass reset

43
Q

RAT supplied press range

A

2,500 - 3,000 psi

44
Q

RAT RPM Limit

45
Q

HYD2 pressure for RAT spring return

46
Q

HYD over pressure (PR valve) limit

47
Q

Engine RPM, 100% N2

48
Q

Static sea level thrust

49
Q

Total oil capacity

A

25.2 pints

50
Q

Unusable / trapped oil volume

51
Q

Low oil pressure
( OIL PRESS )
Warning

A

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
Q

Maximum oil consumption rate

A

0.8 pint / hour

53
Q

Total usable fuel

A

427 gallons

54
Q

Unusable / trapped fuel volume

A

11 gallons

55
Q

-G collector tank volume

A

60 gal, ~30s inverted flight.

56
Q

Boost pump operation time after generator loss

57
Q

Standard fuel pressurization

A

6psi above datum

58
Q

Relief pressures, Dual datum relief valve

A

9.5 psi for normal flight

4psi for pressure refueling, or tailhook down

59
Q

F PRESS Caution

Trigger pressure

A

3psi above datum

60
Q

Low fuel caution
( FUEL )
Trigger

A

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

61
Q

OBOGS O2 concentration

62
Q

Test manual fuel RPM drop

A

Normal 2-3%

Max 6%

63
Q

EGT Max on acceleration / transient

A

645 for less than 20 s

64
Q

Remains with GINA failure

A

Airspeed
Altitude (but jittery)

TACAN

NO HEADING INFO = no gyro PAR

65
Q

secondary fire indications

A 
Smoke/fumes/flames 
TP HOT
GTS FIRE
Rising EGT
Vibrations/chugs/noise, etc
hyd pressure loss / light
66
Q

Anti-Skid activation speeds

A

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

67
Q

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

T-45 Intermediate (12 decks)

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