Engine Limitations Flashcards

1
Q

Takeoff N1

A

100%

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2
Q

Takeoff N2

A

100.8%

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3
Q

Takeoff ITT

A

978c (5min)

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4
Q

Takeoff (APR operating) N1

A

100%

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5
Q

Takeoff (APR operating) N2

A

100.8%

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6
Q

Takeoff (APR operating) ITT

A

996c (5min)

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7
Q

Takeoff Transient ITT

A

1,006c (5sec) 1,016c (2sec)

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8
Q

Max Continuous N1

A

100%

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9
Q

Max Continuous N2

A

100.8%

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10
Q

Max Cont ITT

A

968c

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11
Q

Max Cruise ITT

A

932c

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12
Q

Max OVERSPEED N1

A

103% (5 sec)

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13
Q

Max OVERSPEED N2

A

103% (5 sec)

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14
Q

Starting ITT (unrestricted)

A

978c

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15
Q

Starting ITT (transient)

A

996c (10sec) over 996c (5sec)

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16
Q

Max OIL temp sea level to 30,000

A

127c

17
Q

Max OIL temp above 30,000

A

140c

18
Q

Max OIL Transient temp

A

149c (2 min)

19
Q

Min oil temp

A

-40c

20
Q

Min OIL temp for takeoff

A

30c

21
Q

OIL pressure limit (takeoff, max cont, climb)

A

38-46psi

22
Q

OIL pressure limit (min IDLE)

A

25psi

23
Q

Oil Pressure Transient MAX

A

55psi (3min)

24
Q

Oil Consumption rate

A

0.01 gal per hour (over 25 hours)

25
Q

Engine Fuel Computer

A

Required for takeoff

26
Q

Engine Synchronizer Switch

A

OFF for takeoff

27
Q

Automatic Performance Reserve (APR)

A

MUST be armed for takeoff)

28
Q

Engine Type & model

A

TFE-731-5BR-1H Low Bypass

29
Q

Engine Thrust (both)

A

4660LBS Normal 4800Lbs W/APR

30
Q

Accessory case Drives:

A

Oil pump, Hyd Pump, Fuel Pump, Alternator, Generator

31
Q

HP COCK controls:

A

fuel valve, ignition, Hyd valve, Unlocks throttle, DEEC Idle command

32
Q

OVERSPEED Protection Primary and Ultimate

A

Primary is 105% N2 -Mechanical Ultimate is 109%N2 electrical DEEC

33
Q

Surge valve fails at? (position)

A

1/3 OPEN

34
Q

engine oil capacity

A

1.65Qts

35
Q

“low oil pressure” comes on at

A

25PSI or less

36
Q

Max Engine Overpseed

A

103% N1

37
Q

DEEC inputs

A

P2T2, ITT N1, N2, PLA

38
Q

DEEC output

A

Surge Valve