P-3 Basic Limits

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Author:
donconquistador
ID:
212135
Filename:
P-3 Basic Limits
Updated:
2013-04-26 10:57:09
Tags:
orion limits
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Description:
Limits for the P-3 Orion
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  1. Low RPM TIT
    410 - 730
  2. Normal RPM Start Position TIT range
    445 - 645
  3. Max Reverse TIT Range
    580 - 790
  4. Flight Idle TIT
    430 - 705
  5. Max Takeoff TIT
    1077
  6. Military Power
    1049 (30 min)
  7. Max TIT Continuous in Flight
    1010
  8. Low RPM %
    71.0 - 73.8
  9. Normal RPM % for start range
    96.3 - 99.1
  10. Max Reverse RPM
    96.7 - 104.9
  11. Flight Idle RPM (ground)
    94.5 - 98.4
  12. Flight RPM range
    99 - 101
  13. Max Time in 0 or negative G flight
    10 secs
  14. Conditions requiring engine shutdown following <0 g flight
    • -Oil fluctuations for longer than 15 seconds after positive G flight
    • -Oil pressure at 0 longer than a momentary transit
    • -Restart may be attempted after 1 minute
  15. Max RPM fluctuation at 100%
    RGB/Power Section
    • RGB +-20
    • PS   +-5
  16. Allowable overshoot/undershoot in flight
    1% with syncs, 2% without, stabilized within 10 secs
  17. APU (95-10) Max Peak EGT
    732
  18. APU (95-10) Max Peak(10 Sec) EGT
    710
  19. APU (95-10) Max Continuous EGT
    649
  20. APU RPM range
    • 98-102 (ground)
    • 98-103 (in flight)
  21. APU KIAS max
    225
  22. Symmetrical G limit below 125,000lbs
    0.0G - 2.5G
  23. Symmetrical G limit above 125,000lbs
    0.0G - 2.0G
  24. Roll G limit below 125,000lbs
    1.0G - 2.0G
  25. Roll G limit above 125,000lbs
    1.0G - 1.5G
  26. Airstart Limit Speed Formula
    345KIAS - 6/k
  27. Min Airstart Speed
    170
  28. Min Airstart Speed if Range Critical
    210
  29. Low RPM RGB Press
    50 - 250
  30. Power Section Oil Press @ 100% RPM
    50 - 60
  31. Max Time Oil Hot Light (BETA)
    30 Min
  32. Max Time Oil Hot Light (ALPHA)
    5 min
  33. Hydraulic Pressure
    2960 - 3200
  34. Hyd Pump Press Light PSI
    1800
  35. Autopilot Disengagement Hyd PSI
    1100
  36. Min Emer Brake Press
    1900
  37. Brake Accum Air Charge
    800
  38. Time To Pressurize Brake Accum w/ 1 or 1A
    3 sec
  39. Time To Pressurize Brake Accum w/ 1B
    3 min
  40. Fuel Topping Gov Range
    104.2 - 106.7
  41. Pitchlock Regulator Set to...
    103.5
  42. Pitchlock Reset Requirements
    • Coord <28°
    • BA      <10°
  43. Takeoff RPM Over/Under-shoot
    • 96-106%
    • stabilized within 10 secs

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