Limits Flashcards
% TORQUE
Takeoff/Max
100 max
% TORQUE
Idle
1 to 10% (ground)
Torque range with Np stabilized and PCL @ IDLE
% TORQUE
Transient
132 max (20 seconds) (Torque above 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
871-1000 (5 seconds)
ITT *C
Transient
821-870 (20 seconds)
N1 %
Takeoff/Max
104 max
N1 %
Idle
60 to 61 (ground) 67 min (flight)
N1 %
Transient
104 max
Np %
Takeoff/Max
100 max
With PMU OFF, permissible maximum Np is 100 +/- 2%
Np %
Idle
46 to 50 (ground)
Np %
Transient
110 (20 seconds)
Permissible at all powers for completion of flight in emergency
Oil Pressure psi
Takeoff/Max
90 to 120
(Normal oil pressure during steady state conditions is 90 to 120 psi. Operation at oil pressure less than 90 psi at flight idle or above is indicative of oil system malfunction)
Oil Pressure psi
Idle
90 min
Oil Pressure psi
Start
200 max
Oil Pressure psi
Transient
40 to 130
Operation in this range permitted only during aerobatics or spins, and 15 to 40 psi for 5 seconds with PCL at IDLE
Oil Temp *C
Takeoff/Max
10 to 105
Oil Temp *C
Idle
-40 to 105 (ground)
10 to 105 (flight)
106 to 110 (ground operation at and below 20% torque)
Oil Temp *C
Start
-40 min