Engine Limitations Flashcards

(19 cards)

1
Q

N1

A

Idle: 62% (min)
Max All Other Times: 104%
Fuel Introduction: 12% (min)

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2
Q

ITT Idle Maximum

A

750C

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3
Q

ITT Reverse Maximum

A

760C

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4
Q

ITT Reverse Maximum

A

760C

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5
Q

ITT Cruise Climb

A

785C (780C SOP)

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6
Q

Max Transient Torque

A

156% 20 seconds

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7
Q

Max ITT (Start)

A

1000C 5 seconds

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8
Q

Primary Governor Failure (1768 prop rpm)

A

96% torque

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9
Q

Oil Temp 60-90C (yellow arc)

A

62% torque

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10
Q

ITT Takeoff, MCT, Max Cruise

A

820C

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11
Q

Transient ITT

A

850C for 20 seconds

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12
Q

Starting Fuel Flow Limit

A

110PPH (more than this, hot start likely)

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13
Q

Min Oil Pressure (Idle)

A

60 psi

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14
Q

Max Oil Pressure

A

135 psi
200 psi (transient for duration of the flight)

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15
Q

Normal Oil Pressure Range (Green Arc)

A

90-135 psi

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16
Q

Min Oil Temp for Start

17
Q

Idle Oil Temp Range

A

-40C to +110C

18
Q

Oil Temp Range (Takeoff, MCT, Cruise)

19
Q

Min Oil Temp for Fuel Heat Exchanger