Power-plant Flashcards
Rolls Royce Tay Mk 611-8
Ignition limitations
w/o ASC 304 - 30 sec on and 30 sec off indefinitely, or 5 min on then 30 min off.
SN 1000 - 1249 with ASC 304 and 1250 subs: no limitation
Max start TGT (ground vs air)
700°C, momentarily Air start (200-324 kts < 25,000’) - 780°, momentarily
Min idle
HP - 46.6 ground
HP - 67.0 approach
Max reverse
HP - 88.0
TGT - 695°C
Initialize cancellation by 70 KCAS
W/O ASC thrust reverser use limited to 1 min per 30 sec
Static operations run up limitations
60%-80% LP with crosswind greater than 15kts of crosswind NOT PERMITTED
Power back w/ thrust reversers
Not approved
Cold weather min oil temp
Engine start -40°C, min for power lever advancing -30°C
Max oil temp
105°C (120°C for 15 minutes)
Min oil pressure
Idle - 16 PSI
Takeoff - 30 PSI
Engine starter duty cycle
3 - 30 seconds w/ 3 mins between cycles,
15 mins after the 3rd start attempt
Takeoff EPR limits
Not to exceed 0.01
Engine sync limitations
Off for takeoff and landing