Straight And Level Flashcards
(13 cards)
1
Q
Four main forces acting on an aircraft in flight
A
- Lift - up
- Weight - down
- Thrust - forward
- Drag - backwards
2
Q
Conditions required for steady straight and level
A
- Constant altitude
- constant airspeed
- Constant heading
3
Q
Lift and weight create…
A
A nose down couple
4
Q
Thrust and drag create…
A
A nose up couple
5
Q
What happens when you increase power?
A
- Increase thrust
- Nose pitch up
- Vice versa
6
Q
Lowering flap will…
A
- Increase drag and lift
- Reduced nose up couple
7
Q
Landing gear…
A
Increases drag - mainly parasite drag
8
Q
If power is increased
A
- Thrust increases
- Increases nose-up movement
Opposite happens in a reduction in power
- Also increases slipstream
9
Q
Flap extension in a low wing aircraft
A
- Lift increases and moves CoP rearward
- Causes increase in nose down moment of lift/weight couple
10
Q
Flap extension high wing aircraft
A
- Drag vector increases, but this time the nose pitches up from the thrust/drag couple
11
Q
Slow airspeed requires a?
A
High nose attitude
12
Q
High speed requires a?
A
Low nose attitude
13
Q
Power required formula
A
Power = work done/time taken
Power = force x (distance/time)
Power = force x TAS
Power required = Drag x TAS
