Engine Operating Limits Flashcards Preview

Silver BE1900D > Engine Operating Limits > Flashcards

Flashcards in Engine Operating Limits Deck (46):
1

Starting: Max ITT and time

1000 °C (5 seconds)

2

Starting: Oil Pressure

0 - 200 psi

3

Starting: Min Oil Temperature

-40°C

4

Idle: Max ITT

750°C

5

Idle: Min Gas Gen RPM % N1

65%

6

Idle: Min Prop RPM

950 RPM

7

Idle: Min Oil Pressure

60 psi

8

Idle Oil Temp

-40° to 110°C

9

Idle Oil Temp Time at Max Temp

10 minutes at 110°C

10

Takeoff Torque and time

3950 ft-lbs for 5 min

11

Takeoff Max ITT and time

800°C for 5 min

12

Takeoff Gas Gen RPM % N1 and time

104% for 5 min

13

Takeoff Oil Pressure and time

90 - 135 psi for 5 min

14

Takeoff Oil Temp

10° - 110°C

15

Takeoff Oil Temp time at max temp

10 minutes at 110°C

16

Max Continuous Torque

3750 ft-lbs

17

Max Continuous Max ITT

780°C

18

Max Continuous Gas Gem RPM % N1

104%

19

Max Continuous Prop RPM

1700 RPM

20

Takeoff Prop RPM and time

1700 RPM for 5 minutes

21

Max Continuous Oil Pressure

90 - 135 psi

22

Max Continuous Oil Temp

10° - 105°C

23

Cruise Climb and Max Cruise Torque

3750 ft-lbs

24

Cruise Climb and Max Cruise Max ITT

Raytheon: 760°C
Silver Airways: 740°C

25

Cruise Climb and Max Cruise Gas Gen RPM % N1

104%

26

Cruise Climb and Max Cruise Prop RPM

1700 RPM

27

Cruise Climb and Max Cruise Oil Pressure

90 - 135 psi

28

Cruise Climb and Max Cruise Oil Temp

10° - 105°C

29

Max Reverse Max ITT

760°C

30

Max Reverse Prop RPM

1650 RPM

31

Max Reverse Oil Pressure

90 - 135 psi

32

Transient Torque and Time

5000 ft-lbs for 20 sec

33

Transient Max ITT and Time

870°C for 20 sec

34

Transient Gas Gen RPM % N1

104%

35

Transient Prop RPM and Time

1870 RPM for 20 sec

36

Transient Oil Pressure

40 - 200 psi

37

Transient Oil Temp

-40° - 110°C

38

Transient Time at Max Oil Temp

10 minutes at 110°C

39

Cruise Torque Values Vary With:

Altitude
Temperature

40

Torque limits are applicable when N2 RPM is:

1000 - 1700 RPM

41

When N2 is < 1000 RPM Torque is Limited to:

2000 ft-lbs

42

Propeller operation using the Overspeed Governor at what RPM is permitted provided torque is limited to what?

1802 RPM
3538 ft-lbs

43

Oil Pressure of 90 - 135 psi is normal above what N1?

72%

44

Oil pressure of 85 psi is normal if torque is below what and oil is in what range?

3000 ft-lbs
60° - 70°C

45

Minimum Oil Temp recommended for Takeoff:

55°C

46

Max Reverse Oil Temp

10 - 105°C