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Dash 8 Power Plant limitations

  1. Engine model number and uptrim
    PW121 

    10% Nominal
  2. Max Alt for Airstart
    20,000ft
  3. Max Takeoff torque
    112.5%

    Limited to 5 mins
  4. Normal Takeoff Torque
    99.5%
  5. Max Continous torque
    97.5%
  6. Max transient torque
    125%

    Limited to 20 secs
  7. Max Reverse Torque
    90%
  8. Max ITT Takeoff
    816
  9. Normal ITT Takeoff
    785
  10. Max Continous ITT
    800
  11. Max Starting ITT
    950

    Limited to 5 sec
  12. Max Transient ITT
    850

    Limitied to 20 sec
  13. Max Reverse ITT
    770
  14. Max NH for all conditions

    Transient
    100%

    102% for 20sec
  15. Max Np prop RPM for all conditions
    1212 rpm

    Transient 1320 limited to 20 sec
  16. Oil Pressure Limits for all conditions except starting

    Starting?
    55psi - 65psi

    200psi
  17. What oil pressure is allowed for NH below 75%
    40psi - 55psi
  18. Below what Oil Pressure requires engine shutdown
    40psi
  19. Oil Temp Limits for all conditions except starting and transient
    45 - 115 degrees
  20. Oil Temp min limit for starting

    Max Transient Oil Temp
    - 40 degrees

    +125 degrees
  21. Max Usable fuel in KGs
    2575kgs
  22. Temp limits at outlet of fuel heater for continous ops
    11 degrees

    57 degrees
  23. Max Airspeed for Unfeathering a prop
    165kts IAS
  24. Starter Crank limits for mains and APU
    1 min - 2 mins

    1 min - 2 mins

    1 min - 30mins
  25. Max Torque with Engine Feathered
    50%
  26. Min MH
    60%
  27. Prop speed prohibited range
    500 - 780 RPM
  28. Max Altitude for Landing gear or Flap extension
    15,000 ft
  29. What two things must be used in icing conditions?
    Ignition switch set to MANUAL

    Engine bypass intake doors must be open
  30. Icing condition on ground or in flight
    10 degrees on the ground

    5 degrees in the Air

    With any visible moisture is present
Author
glennrooke
ID
343226
Card Set
Dash 8 Power Plant limitations
Description
Dash 8 Power Plant limitations
Updated

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