OPs LIMITS + Notes Flashcards
TORQUE - TAKEOFF/MAX
100 % MAX
TORQUE - IDLE
1-10%
(9) Allowable torque range with Np stabilized and PCL - IDLE
TORQUE - START
N/A
TORQUE - TRANSIENT
132 % MAX
(20 SEC)
(8) Torque at 132 % is a materials limit above which damage to the engine may occur. Torque above 102 % is indicative of a system malfunction.
ITT (C) - TAKEOFF/MAX
820 MAX
ITT (C) - IDLE
750 MAX
ITT (C) - START
872-1000
5 SEC
ITT (C) - TRANSIENT
821-870
20 SEC
N1 - TAKEOFF/MAX
104 % MAX
(1) N1 values presented for PMU ON. With PMU OFF, N1 may vary from these values
N1 - IDLE
60-61 (Ground) 67 MIN (Flight)
(1) N1 values presented for PMU ON. With PMU OFF, N1 may vary from these values
N1 - START
N/A
N1 - TRANSIENT
104 % MAX
(1) N1 values presented for PMU ON. With PMU OFF, N1 may vary from these values
Np - TAKEOFF/MAX
100 % MAX
(2) With PMU OFF, permissible maximum Np is 100 +/- 2 %.
(4) Avoid stabilized ground operation from 62-80 % Np.
Np - IDLE
46-50 % (Ground)
(4) Avoid stabilized ground operation from 62-80 % Np.
Np - START
N/A