Engine Limitations Flashcards
1
Q
Takeoff N1
A
100%
2
Q
Takeoff N2
A
100.8%
3
Q
Takeoff ITT
A
978c (5min)
4
Q
Takeoff (APR operating) N1
A
100%
5
Q
Takeoff (APR operating) N2
A
100.8%
6
Q
Takeoff (APR operating) ITT
A
996c (5min)
7
Q
Takeoff Transient ITT
A
1,006c (5sec) 1,016c (2sec)
8
Q
Max Continuous N1
A
100%
9
Q
Max Continuous N2
A
100.8%
10
Q
Max Cont ITT
A
968c
11
Q
Max Cruise ITT
A
932c
12
Q
Max OVERSPEED N1
A
103% (5 sec)
13
Q
Max OVERSPEED N2
A
103% (5 sec)
14
Q
Starting ITT (unrestricted)
A
978c
15
Q
Starting ITT (transient)
A
996c (10sec) over 996c (5sec)
16
Q
Max OIL temp sea level to 30,000
A
127c
17
Q
Max OIL temp above 30,000
A
140c
18
Q
Max OIL Transient temp
A
149c (2 min)
19
Q
Min oil temp
A
-40c
20
Q
Min OIL temp for takeoff
A
30c
21
Q
OIL pressure limit (takeoff, max cont, climb)
A
38-46psi
22
Q
OIL pressure limit (min IDLE)
A
25psi
23
Q
Oil Pressure Transient MAX
A
55psi (3min)
24
Q
Oil Consumption rate
A
0.01 gal per hour (over 25 hours)
25
Engine Fuel Computer
Required for takeoff
26
Engine Synchronizer Switch
OFF for takeoff
27
Automatic Performance Reserve (APR)
MUST be armed for takeoff)
28
Engine Type & model
TFE-731-5BR-1H Low Bypass
29
Engine Thrust (both)
4660LBS Normal 4800Lbs W/APR
30
Accessory case Drives:
Oil pump, Hyd Pump, Fuel Pump, Alternator, Generator
31
HP COCK controls:
fuel valve, ignition, Hyd valve, Unlocks throttle, DEEC Idle command
32
OVERSPEED Protection Primary and Ultimate
Primary is 105% N2 -Mechanical Ultimate is 109%N2 electrical DEEC
33
Surge valve fails at? (position)
1/3 OPEN
34
engine oil capacity
1.65Qts
35
"low oil pressure" comes on at
25PSI or less
36
Max Engine Overpseed
103% N1
37
DEEC inputs
P2T2, ITT N1, N2, PLA
38
DEEC output
Surge Valve
