Power Plant Limitations Flashcards
1
Q
What are ITT, Oil Press and Oil Temp limits on start?
A
Max ITT: 860 910C (20 sec), 910 1000C (5s), never above 1000 C
Oil Press: 200 psi max
Oil Temp: -40 C min
2
Q
What are Ground Idle ITT, NG, NP, Oil Press and Oil Temp limits?
A
Max ITT: 750 C Ng: 54% min Np: 800 min Oil Press: 80 psi min Oil Temp: -40 to 105 C
3
Q
What are Take-off and Max Continuous TQ, ITT, NG, NP, Oil Press, Oil Temp limits?
A
TQ: 4202 ft lb Max ITT: 860 C NG: 104% NP: 2000 RPM Oil Press: 90 125 psi Oil Temp: 10 105 C
4
Q
What are the Transient limits for TQ, ITT, NG, NP, Oil Press, Oil Temp?
A
TQ: 4874 ft lb (Max 20 secs) ITT: 860 - 910 C (Max 20 secs) NG: 104% NP: 2200 RPM (Max 20 secs) Oil Press: 70 130 PSI Oil Temp: 0 105 C
5
Q
What is max power on ground (PMU limited)?
A
1080 SHP
6
Q
What is Max TQ in PMS Manual Mode?
A
67.5 %
7
Q
What is normal Prop Speed?
A
2000 RPM
8
Q
What is minimum aerobatic oil pressure?
A
40 psi (20 sec)
9
Q
What is NG 100%?
A
37,468 RPM +- 40
10
Q
Are downwind take-offs permitted in the PC-21?
A
Yes
11
Q
What NP RPM should be avoided in ground ops with a tail wind?
A
1600 to 1950 RPM
