Power plant limitations Flashcards
1
Q
Allison _______ or ________
A
250-C20B or 250-C20J
2
Q
N2 Power turbine operating RPM limits?
A
Min 97%
Max 100%
3
Q
N2 Transient overspeed limits?
A
100% torque-100-103%
0% torque-100-107%
Check Chart
4
Q
Gas producer N1 RPM limitations?
A
Max 105%
Transient 106% 15 seconds
5
Q
Torque limits?
A
- Take off 100% 5 minutes
- Transient 110% 5 second limit intentional use prohibited
- Max Continueous 85%
6
Q
TOT Limits?
A
- Take off 810C
- Max Continueous 738C
- During power transient 810-843C 6 seconds intentional use prohibited
- Starting and shut down 810-927C
7
Q
Exceeding limits _____ TOT or _____% torque may cause N1 topping and resultant rotor droop
A
793C TOT
100% torque
