Prop Flashcards
1
Q
DG to prop
A
2
Q
How many phases
A
15 phases 5 for each drive Chanel so if we lose a phase motor can still run making it a advanced induction motor
3
Q
What cools the fans and what happens if fans trip
A
Fans cooled by fw and
1fan loss -0.5mw
2fan Opposite side-10.5mw
2fan same side-vcb trip
4
Q
What are the 5 modes of steering
A
Follow up
Non follow up
Local non follow up
Wheel
Mechanical wheel
5
Q
Where is the cross connection valve for the lpsw cooling and what bar does it run at and where are the pumps for it
A
9P0 valve
3 bar
Pumps 9N1 and 9Q0
6
Q
What does the jacking pump do
A
Lifts shaft up and starts lubrication and started from drive compartment
7
Q
How many pcs and how many Chanel’s per pc
A
4 pcs and every pc has 3 Chanel’s 5 phases in each chancel and each chancel has its own ptx
