Limitations Engines Flashcards
EGT - TOGA (NEO/LR)
1060 *C
EGT - MCT (NEO/LR)
1025 *C
EGT Starting on ground (NEO/LR)
750 *C
EGT Starting in flight (NEO/LR)
875 *C
EGT - TOGA (CEO)
950 *C
EGT - MCT (CEO)
915 *C
EGT Starting G/F (CEO)
725 *C
Max N1 (NEO/LR)
101%
Max N2 (NEO/LR)
116.5%
Max N1 (CEO)
104%
Max N2 (CEO)
105%
Max continuous Oil Temp (All)
140 *C
Max transient (15mins) Oil Temp (All)
155 *C
Minimum starting Oil Temp (All)
-40 *C
Minimum Oil Temp before takeoff
NEO/LR: 19 *C
CEO: -10 *C
Minimum Oil Qty (NEO/LR)
Highest of:
- 10.6 qt or
- 8.9 qt + estimated consumption = 0.45 qt/hr
Minimum Oil pressure (NEO/LR)
17.4 psi
Maximum Oil pressure (NEO/LR)
- Oil temp > 50 *C = 130.5 psi
2. Oil temp < 50 *C = 145 psi
Minimum Oil Qty (CEO)
9.5 qt + estimated consumption = 0.5qt/hr
How many start attempts make up one cycle
3
For ground start what time is required between successive cycles
- 20 second pause (CEO)
2. 60 second pause (NEO/LR)
What cooling period is required and when
- 15 minutes (ALL)
- Subsequent to 4 failed cycles (CEO)
- Subsequent to 3 failed cycles (NEO/LR)
Starter must not be run when N2 is above what value
- 20% (CEO)
2. 63% (NEO/LR)
TFLEX cannot be higher then TMAXFLEX value. What is TMAXFLEX value
- ISA + 52 *C (LR)
- ISA + 53 *C (CEO)
- ISA + 55 *C (NEO)