PT6A Flashcards
1
Q
Describe the PT6-42
A
850 SHP
Reverse Flow
Free-turbine
2
Q
Min oil temp for start:
A
-40
3
Q
Max starting ITT ˚C:
A
1000 for 5 seconds
4
Q
Max transient ITT ˚C:
A
850 for 20 seconds
5
Q
Max transient torque ft-lb:
A
2750 for 5 seconds
6
Q
Max transient prop RPM:
A
2200 for 5 seconds
7
Q
Max continuous ITT:
A
- 42: 800
8
Q
Max continuous cruise ITT LAFS policy:
A
- 42: 750
9
Q
Minimum N1 at low idle:
A
- 42: 61%
10
Q
Power setting for continued operation when oil pressure between 60 and 80 psi
A
1100 ft/lb
11
Q
Engine starter use limitation
A
40 on, 60 off,
40 on, 60 off,
40 on, 30min off
