Flight Controls Flashcards Preview

E-Jet EMB175 > Flight Controls > Flashcards

Flashcards in Flight Controls Deck (11):
1

Primary flight controls?

- Ailerons
- Multifunction spoilers
- Elevator
- Rudder

2

Secondary flight controls?

- Horizontal stabilizer
- Multifunction spoilers
- Slats/Flaps
- Ground spoilers

3

Flight controls moved by?

- Fly-by-wire (FBW)
- Conventional cables (ailerons only)

4

PCU (power control unit)

- A hydraulic actuator (replaces conventional control cable)

5

ACE (actuator control electronic)

- The electronic unit controlling the PCU

6

FCM (flight control module)

A computer inputting higher else functions

7

Multifunction spoilers

- 5 panels per wing
- 3 outer panels are multi-function spoilers (MFS)
- Roll assist
- Speed brakes
- Ground spoilers only
- 2 inner panels
- Ground spoilers only

8

Roll Assist

- 3 outer panels
- Normal mode - scheduled as a function of airspeed and flaps settings
- Direct mode - fixed gain applied independent of airspeed and flaps

9

Speed brakes

- 3 outer panels
- When handle is in the open position speed brakes will auto close when
- slat/flap selection is 2 or greater
- Airspeed < 180 kts
- TLA (thrust lever angle) > 70
- Speed brakes will not work in direct mode

10

Slats

- 8 leaving edge slats (4 per wing)
- 2 positions
- Electrically controlled
- Electrically activated

11

Flaps

- 4 double-slotted/fowler type flaps (2 per wing)
- 7 Positions
- Electrically controlled
- Electrically activated