Powerplant Flashcards
ENGINES
- Model –
- Thrust –
- BPR –
- Low pressure direct drive fan – ___ Stage
- High pressure axial flow compressor - ___ Stages
- High pressure turbine – ___ Stages
- Low pressure turbine – ___ Stages
ENGINES
- Model – RR/Allison AE-3007C2
- Thrust – 7042 lbs
- BPR – 5:1
- Low pressure direct drive fan – 1 Stage
- High pressure axial flow compressor – 14 Stages
- High pressure turbine – 2 Stages
- Low pressure turbine – 3 Stages
IGNITION
- Number of igniters –
- Commences at N2 –
- Start only –
- Air start / auto re-light –
IGNITION
- Number of igniters – 2 (12 and 6 o’clock)
- Commences at N2 – 10%
- Start only – 1 igniter (alternate for start attempts)
- Air start / auto re-light – both igniters
FADEC
- PMA N2 >
- DC System N2 <
- Number of FADECs per engine –
- Eng sync commences –
- FADEC auto shutdown at N2
FADEC
- PMA N2 > 50%
- DC System N2 < 50%
- Number of FADECs per engine – 2 (A & B)
- Eng sync commences – after gears up
- FADEC auto shutdown at N2 < 52%
T/R
- Idle reverse by –
- Single T/R, idle reverse by –
- Do not deploy until nose wheel on ground to prevent pitch up
- Ground ops on paved surfaces only
- T/R deploy in flight –
- Reverse thrust max N1 –
T/R
- Idle reverse by – 65 KIAS
- Single T/R, idle reverse by – 70 KIAS
- Do not deploy until nose wheel on ground to prevent pitch up
- Ground ops on paved surfaces only
- T/R deploy in flight – thrust to idle (FADEC)
- Reverse thrust max N1 – 70%
LIMITATIONS - ENGINE
• Before TO power
o First start (no more than taxi power) –
o If engine has been run in previous 90 mins –
• Before shutdown
o No more than taxi power –
o Recommended –
LIMITATIONS - ENGINE
• Before TO power
o First start (no more than taxi power) – 4 mins
o If engine has been run in previous 90 mins – 2 mins
• Before shutdown
o No more than taxi power – 2 mins
o Recommended – 5 mins
LIMITATIONS - ENGINE
- TO 5 mins –
- TO (OEI) continuous –
- Power to CRU within –
- < 40% N1 until fuel >
- Min N1 for T/O –
LIMITATIONS - ENGINE
- TO 5 mins – 899
- TO (OEI) continuous – 867
- Power to CRU within – 10 mins of TOC
- < 40% N1 until fuel > 4degC
- Min N1 for T/O – 73.2%
LIMITATIONS - ENGINE
• FADEC auto shutdown
o N2 <
o N1 >
o N2 >
LIMITATIONS - ENGINE
• FADEC auto shutdown
o N2 < 52%
o N1 > 105%
o N2 > 105.6%
LIMITATIONS - OIL
- Min oil pressure N2 < 88% –
- Max < 2mins –
- Max cont –
LIMITATIONS - OIL
- Min oil pressure N2 < 88% – 34 psig
- Max < 2mins – 155 psig
- Max cont – 105 psig (Normal 48-105)
LIMITATIONS - START
- ITT 800 to 850 <
- Max tail wind –
- Do not engage starter turbine when N2 >
- After 3 starts, cooling for –
- 30 sec motoring = 1 normal start
LIMITATIONS - START
- ITT 800 to 850 < 5mins
- Max tail wind – 10 kts
- Do not engage starter turbine when N2 > 25%
- After 3 starts, cooling for – 25 mins
- 30 sec motoring = 1 normal start
LIMITATIONS - START
- After 3 starts, cooling for –
- 30 sec motoring = 1 normal start
LIMITATIONS - START
- After 3 starts, cooling for – 25 mins
- 30 sec motoring = 1 normal start
Oil
• Tank capacity – 12 quarts
• Amber pointer – 8 quarts low
• Min for dispatch – 4 quarts low
• Pressure regulated to – 50 psig (airborne/grd >80% N2)
• Min (flight/ground) – 34 psig
• Cooling (>100 degC) ACOC
• Cooling FCOC (unless oil too cold or fuel >95 degC
N1 < 40% until FCOC outlet at least +4 degC
Oil
• Tank capacity – 12 quarts
• Amber pointer – 8 quarts low
• Min for dispatch – 4 quarts low
• Pressure regulated to – 50 psig (airborne/grd >80% N2)
• Min (flight/ground) – 34 psig
• Cooling (>100 degC) ACOC
• Cooling FCOC (unless oil too cold or fuel >95 degC
N1 < 40% until FCOC outlet at least +4 degC
