Engine Limitations Flashcards
ITT Starting Limit
1000C for 5 seconds
Max Torque (Takeoff/Max Continuous)
2230ft-lbs
Max Torque (Transient)
2750ft-lbs for 5 seconds
Max Torque (Primary Govener Failure)
1800ft-lbs
Max Torque (Yellow Arc Oil Pressure)
1100ft-lbs
Max Torque (Prop Underspeed <1600rpm)
1100ft-lbs
Max Prop RPM
2000 rpm
Max Prop RPM (Reverse)
1900 rpm for 1min
Max Prop RPM (Transient)
2200 rpm for 5 seconds
Max N1
101.5%
Max N1 (Reverse)
88% for 1 min
Max N1 (Idle)
56% (-42) 52% (-41)
Max N1 (Transient)
102.6% for 10 seconds
Max Fuel Flow (Starting)
110PPH, if higher, hot start likely
Min Oil Pressure (idle)
60psi
Oil Temperature (min for starting)
-40C
Oil Temp (idle)
-40C to 99C
Oil Temp min to max
0-99C (55C is the min temp for the oil fuel heat exchanger to work correctly