Powerplant (AE3007 A1/1 &A3) Flashcards

1
Q

N1 limit

A

99.9%

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2
Q

N2 (Min/Max)

A

102%

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3
Q

ITT Start

A

800C

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4
Q

ITT Take off

A

921C

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5
Q

ITT Continuous

A

868C

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6
Q

Oil pressure below 88% N2

A

34psi / 95psi

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7
Q

Oil pressure above 88% N2

A

50psi / 95psi

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8
Q

Min oil temp prior to increasing N2 above 83%

A

40C (4 min warm up cold engine, 2 min warm up warm engine)

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9
Q

Min engine cool down time

A

1 minute

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10
Q

Max FF prior to lightup

A

365kph

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11
Q

Engine starter limit - Dry motoring continuous

A

5 min ON - 5 min OFF

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12
Q

Engine starter limit - First to Fourth cycle

A

1 min ON - 1 min OFF

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13
Q

Engine starter limit - Fifth cycle

A

1 min ON - 5 min OFF

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14
Q

During the engine start sequence when should you see a rise in the N2?

A

N2 should rise within 5 seconds (5 seconds)

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15
Q

During the engine start sequence when should you see IGN?

A

IGN should show at 14%N2

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16
Q

During the engine start sequence when should you see Fuel Flow?

A

FF at 28.5% N2 or 12 sec after IGN (12 seconds)

17
Q

During the engine start sequence when should you see Light Up?

A

Light Up within 5 seconds of FF, no more than 10 seconds

18
Q

What marks the end of the start cycle?

A

57%N2 - IGN out

19
Q

Stable engine parameters N2/N1/Oil P?

A

N2 = 64% (6)
N1 = 24% (2)
Oil P = 34psi (3)

20
Q

What is the normal time for an engine start sequence and the maximum?

A

40 sec = normal

60 sec = maximum

21
Q

How much thrust is produced?

A

7426lb at sea level ISA+30

22
Q

Where is bleed air tapped from?

A

The 9th and 14th stage of the compressor

23
Q

What does the accessory gear box drive and how is it powered?

A

It is driven by the HP spool
It drives the hydraulic pump, 2 generators, air turbine starter, permanent magnet alternator, oil pump and fuel pump and metering unit

24
Q

What is the max oil level

A

12 quarts

25
Q

When would you get a low oil level warning?

A

6 quarts

26
Q

When would you get a fuel low temp warning?

A

+5 degrees or below