Powerplant Flashcards
Engines
HTF 7250G
Thrust rating APR
7264 lbs
Max Continuous Thrust rating
7240 lbs
Max Itt During start Below 40%
650C
Maxx ITT During Start Above 40%
950C
Max ITT in air below 18%
400C
Max starting:
Crosswind
Tailwind
Crosswind: 20kts
Tailwind: 15kts
Reverse Thrust limit
idle by 40kts
PMA function
Power the FADEC above 45% N2
APR full thrust 7624 lbs provided up to
15,000
APR auto climb Thrust provided
15,000 - 20,000
How many hours and cycles does APR log when man APR used?
5 cycles and 10 hours
if TR use causes ITT exceedance
Motor eng withing 3 mins of shutdown
Max reverse 100%
85kts
15 - 180 mins since last eng shutdown
Requires dry crank to 21% n2 for 15 seconds then start within 3-40 mins after completion
If eng motoring is required
, do so within 3 minutes after shutdown
2 Halon fire bottles
600 Psi and will discharge at 180C
FADEC/ECU powered by
EMER bus below 45% N2 and PMA above 45%n2
Igniters used for starting
1 on gnd and 2 in air
Igniters powered by
EMER bus start / pma running
igniters auto on
Start and Stick Shaker
Min bleed air for start Below 10k
32psi
Min bleed air for start above 10k
26psi