Primary Flight Controls Flashcards
What is a manual control system?
Control surfaces are mechanically connected to control imputs.
Whats a power assist control system? What is used to assist?
Hydraulic pressure used to assist.
What is a fully powered flight control?
Electro-hydraulic actuators command flight controls.
What control systems are reversable?
Manual and power assist.
What control system is irreversible?
Fully powered.
What are two factors that increase control force in regards to natural feel.
- Increased speed 2. Increased deflection.
Why do we have yaw dampers?
Dutch roll.
Why do we have rudder ratio changers?
Changes the range of deflection based on forward speed.
What does a q system feel sense?
Dynamic pressure.
Whats a method of counteracting adverse aileron yaw?
Rudder or move the alerion higher up then down.
What do roll spoilers prevent compared to ailerons?
Adverse aileron yaw.
To limit the range of movement available on the control surface, what are fitted?
Primary control stops.
To limit the range of movement avalibke secondary control stops are used. Where are they located?
On the flight controls.
Where are primary control stops located?
Control surface.
If the elevator is up, what position is the trim tab?
Down.
What does ths stand for ?
Trim able horizontal stabiliser.
Whats a blow back device?
Prevent overstress.
Fly by wire is a what type of system?
Irreversible.
Is fly by wire heavier or lighter than conventions control systems?
Lighter.