Engines Flashcards
EGT limit for takeoff and go-around
920 °C for 20 sec
900 °C for 5 min
900 °C for 10 min (n-1)
EGT limit for maximum continuous thrust
850 °C
EGT limit for starting on ground
700 °C
EGT limit for starting on in flight
850 °C
Maximum N1 shaft speed
99 %
Maximum N2 shaft speed
103.3 %
Maximum N3 shaft speed
100 %
Maximum continuous oil temperature
190 °C
Minimum oil temperature before takeoff
20 °C
Minimum oil pressure
25 PSI
Starter maximum continuous operation is …
5 min
Two 3 min duty cycles and a consecutive 1 min cycle is permitted with run down to … between each cycle.
zero N3
After one continuous operation, or the three cycles wait … to allow the starter to cool.
30 min
No running engagement of the starter when the N3 is above …
10 % on ground, or 30 % in flight.
Maximum reverse should not be used below … kt. Idle reverse is permitted down to aircraft stop.
70 kt