11.1.1 Aerodynamics And Flight Controls Flashcards
1
Q
Advesrse yaw
A
Movement of nose in wrong direction at start of a turn
2
Q
Trim systems
A
Trimming is maintaining equilibrium without having to use controls
3
Q
Pitch trimming:
A
Position of c of g depends on:
• amount of fuel
•distribution of passengers
4
Q
Yaw trimming:
A
Needed when uneven amount of thrust
5
Q
Roll trimming:
A
Fuel imbalance
6
Q
Slots:
A
- improve airflow at high angles of attack and slow speeds
- maintains boundary layer
- on leading edge
7
Q
Slats
A
- increase camber
* invrease lift
8
Q
Stall angle with slats extended :
A
25 degrees
9
Q
Most common flap:
A
Fowler flap
10
Q
Slotted flap purpose
A
Rejuvenation of boundary later
11
Q
Spoilers
A
“Spoil lift”
12
Q
Where is the best place on aircraft to stall
A
Root
13
Q
Purpose of stall strips
A
Help root stall first
14
Q
Balanced control surface:
A
Simplest form of control aid
15
Q
Trim tabs
A
• move in opposite direction to control surface
• adjustable from cockpit
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