Engine Flashcards
What is the drain and refill oil quantity?
2.0 US gal
What is the total oil capacity?
3.6 US Gal
What is the oil qty operating range?
1.0 US gal
Engine speed green arc (norm ops)
60 to 104%
Engine speed red line (max limit)
104%
ITT green arc (norm ops)
400 to 760°C
ITT yellow arc caution
760 to 800°C
ITT Red ARC/Max Limit
800°C
1,000°C
Oil Temp Green ARC norm ops
10 to 105°C
Oil temp Yellow ARC Caution
105 to 110°C
Oil Temp Max limit
110°C
Oil Pressure min limit
40-60 psi
Oil Pressure Green ARC norm ops
90 to 135 psi
Oil Pressure max limit
135 psi RED ARC
200 psi Max Diamond
Torque Green ARC norm ops
0 to 36.95 psi
Torque Yellow ARC Caution
36.95 to 44.34 psi
Torque max limit RED
44.34 to 61.0
Engine Limitation
Starting Max ITT
1,000°C max 5 sec
Engine Limitation
Starting Oil press
200 psi max
Engine Limitation
Starting min oil temp
-40°C
Engine Limitation
Min Idle Oil Temp
-40 to 110°C
Engine Limitation
Min Idle %Ng
G.I. 50.7 %Ng
F.I. 64.0 %Ng
Engine Limitation
Min Idle Oil Press
60 psi
Engine Limitation
Min Idle Oil Temp
-40 to 110 C
Engine Limitation
Takeoff SHP
1,200 SHP
Engine Limitation
Takeoff torque
44,34 psi
Engine Limitation
Takeoff Max ITT
800 C
Engine Limitation
Takeoff Max %Ng
104% Ng
Engine Limitation
Takeoff Max RPM
1,700
Engine Limitation
Takeoff Oil Pressure
90 to 135 psi
Engine Limitation
Takeoff Oil Temp
10 to 110 C
Engine Limitation
Max Cont, Cruise Climb, Max Cruise
SHP
1,000 SHP
Engine Limitation
Max Cont, Cruise Climb, Max Cruise
Torque
36.95 psi
Engine Limitation
Max Cont, Cruise Climb, Max Cruise
Max ITT
760 C
Engine Limitation
Max Cont, Cruise Climb, Max Cruise
max %Ng
104%
Engine Limitation
Max Cont, Cruise Climb, Max Cruise
Oil Press
90 to 135 psi
Engine Limitation
Max Cont, Cruise Climb, Max Cruise
Oil Temp
10 to 105 C
Engine Limitation
Max Reverse
SHP
900 SHP
Engine Limitation
Max Reverse
Torque
34.25 psi
Engine Limitation
Max Reverse
ITT
760 C
Engine Limitation
Max Reverse
Prop RPM
1,650
Engine Limitation
Max Reverse
Oil Pressure
90 -135 psi
Engine Limitation
Max Reverse
Oil Temp
10 to 105
Engine Limitation
Transient (max 20 sec)
Torque
44,34 to 61,0 psi
Engine Limitation
Transient (Max 20 sec)
Max ITT
800 to 870 C
Engine Limitation
Transient (Max 20 sec)
max %Ng
104 %Ng
Engine Limitation
Transient (Max 20 sec)
Oil Pressure
40 to 200 psi
max 20 sec
Engine Limitation
Transient (Max 20 sec)
Oil Temp
-40 to 110 C
Normal RPM @ Primary Governor
1,700 RPM
100%
Primary Governor Fail RPM
1,760
104%Ng
Overspeed Governor Fail
1,802 RPM
106%Ng
Fuel Topping Gov Fail
1,853 and 1,870 RPM
109%Ng
Max Power
44,34 psi 5 minutes
Kudlik Climb Power
Torque 34 psi
ITT 720 C
What is the PC12 Engine?
Pratt&Withney PT6A-67B
Blade angle @ 42” station
Fine pitch 19
Max rev pitch -17,5
Feather 79,6
min pitch in flight 6
What are the Propeller Rotational Speed Limitations
Max Norm 1700 RPM
Max Transcient 1870 RPM
Max Reverse 1650 RPM
Starter limits
Sequence, 60 sec OFF
Sequence, 60 sec OFF
Sequence, 30 min OFF