Flaps Flashcards
What power do the trailing edge flaps use?
Hydraulics
What power do the leading flaps use?
Pneumatics
How many PDU’s are there in the leading edge flap system?
4
What does PDU stand for?
power drive unit
How many Kruger flaps are there on each wing?
3
How many VCF’s are there on one wing?
11
What type of flaps are the trailing edge flaps?
Triple slotted fowler
How many boat fairings/screw jacks are there for each set of flaps?
2 on each (4 per wing)
What is secondary power for LE flaps?
Electric
What is secondary power for trailing edge flaps?
Electric
Are flaps primary flight controls?
No
What is the large threaded component that allows the flaps to move called?
Screw jack
What is an angle gearbox used for?
Allow the torque tubes to copy the shape of the wing
Which flaps does the screw Jack move?
Mid flap
What hydraulic system powers the inboard TE flaps?
System 1