Drive Train Flashcards
1
Q
the tail gear box changes driveshaft direction by 90 degrees and reduces the output by a ratio of?
A
1 to 0.914
2
Q
tail rotor drive shaft is comprised of how many sections?
A
three
3
Q
the main gearbox, MGB, reduces engine output by a ratio of —- for the main rotor and —- for the tail rotor?
A
17 to 1
1.5 to 1
4
Q
what is the purpose of the input housing?
A
provides initial drive into the MGB to the engine
5
Q
what is incorporated in the input housing to disengage the engine during an engine failure?
A
Freewheel unit, keeps the MGB from “driving” the engine
6
Q
what does the forward tail drive shaft section drive?
A
the environmental control systems, ECS, compressor
7
Q
when will the MGB oil temp indication display on WCA panel?
A
when temperature < 120 degrees Celsius
