Engine Flashcards
Thrust produced by core air?
20%
Thrust produced by bypass air?
80%
When will APR activate?
- Thrust levers in TOGA, normal or flex thrust scheduled and N1s differ by 15% or greater, OR
- Max thrust levers set in the MAX POWER detent
Max oil consumption?
- .05 gal/hour
- 7.2 quarts usable quantity allows 36 hours of operation
Oil pressure?
T/O power - 45 psi - 95 psi
Max continutous - 45 psi - 95 psi
Max refill w/o dry motoring - 2 quarts
Max duration without service - 36 hours
Oil temperature?
Minimum for starting? - 40 C
Max continuous? +155 C
Max permissible? + 163 C (Max 15 minutes)
Full power?
13,560 #
APR power?
14,750 #
When do thrust levers have to be stowed or at idle?
CRJ 900: 60 kts
CRJ 700: 75 kts
When does APR arm for takeoff?
Engine speed within 8% of scheduled T/O power, normal or flex
Continuous ignition should be on when?
In moderate or heavy turbulence
In moderate or heavy rain
Takeoffs and landings on contaminated runways
Flight in the vicinity of thunderstorms
Max engine to engine N2 split at idle?
2%
CRJ 700 Powerplant Model No.
CF34-8C1
CF34-8C5B1
What is powered by the accessory gearbox?
FISH Oil + - Engine Driven Fuel Pump - IDG - air turbine starter - Hydraulic Pumps (EDP1 and EDP2) - Engine oil lube pumps \+ FADEC alternator
CRJ 900 Powerplant Model
CF34-8C5