JS32 Powerplant Limitations

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Author:
flyboy472
ID:
141768
Filename:
JS32 Powerplant Limitations
Updated:
2012-03-15 18:19:23
Tags:
JS32 Powerplant Limitation
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Description:
JS32 Powerplant Limitation
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  1. EGT Limitations
    • Prior to start: 200C (or perform a vent run)
    • During start: 770C
    • Max continuous: 650C
    • APR activated: 660C (5 min limit)
  2. Flat Rated HP
    • JS31: 940 (5 min)
    • JS32: 1020 (continuous)
  3. RPM Ground Idle Range
    72% - 97%
  4. RPM Flight Range
    96% - 100%
  5. RPM Max Limitations
    • 100%: Max Continuous
    • 100% - 101.5%: 5 min
    • 101.5% - 105.5%: 30 sec
    • 105.5% - 106%: 5 sec
    • 106%: NEVER EXCEED
  6. Max RPM Fluctuation
    • JS31: 7.0%
    • JS32: 7.5%
  7. Max Torque
    • JS31: 104.5% (5 min)
    • JS32: 100% (continuous)
  8. RPM Windmilling Limitations
    • 100% - 28%: 1 min
    • 28% - 18%: transient only
    • 18% - 10%: 5 min
    • 10% - 5%: 30 min
    • 5% - 0%: continuous
  9. Oil Pressure Limitations
    • Max: 120 PSI
    • Min (ground idle): 40 PSI
    • Min (<FL230): 70 PSI
    • Min (>FL230): 50 PSI
    • Red Oil CAP illuminates below 50 PSI
  10. Min oil temp for takeoff
    55C
  11. Min oil temp for starting
    • Battery start: -10C
    • Any start: -30C
  12. Max oil temps
    • Max below 88% trq: 127C
    • Max above 88% trq: 110C (10 min limit above 110C)
  13. Starter Limitations
    Duty Cycle: 3 starts w/in 30 min period. 1 min wait between 2nd and 3rd attempt.

    Ignition must occur w/in first 30 seconds.

    Starter operation limited to 60 seconds on.
  14. Requirements after an abandoned start...
    Wait 3 minutes or carry out a vent run. Vent run must not exceed 15 seconds or 15% RPM. Venty run may be continued into a manual start.
  15. Igniter Limitations
    Continuous ignition limited to 60 min in any 2 hr period when OAT > 10C
  16. Min battery voltage for GPU start
    23V
  17. Min battery voltage for internal battery start
    24V
  18. Min OAT for internal battery start
    -15C

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