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Avit 102 > Block 2 > Flashcards

Block 2 Flashcards

1
Q

How many static wicks does the piper archer have?

A

9

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2
Q

Drag caused by the aircraft’s shape, construction, type and material. Three types of ______ drag (SFI)

A

Parasite Drag
Three Types: Skin Friction Drag, Form Drag, Interference Drag

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3
Q

Induced Drag

A

Drag Associated with the production of lift.

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4
Q

Interference drag

A

Result of interaction airflow from joined components of airframe.

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5
Q

Bernoulli’s Principle

A

As the velocity of fluid increases the pressure of that fluid decreases.

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6
Q

Newtons 3rd Law of Motion

A

To every force there is a equal or opposite force.

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7
Q

Lift

A

Upward force which sustains the aircraft in flight

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8
Q

What are the Four Left Turning Tendencies?

A

-Torque
-P-Factor
-Spiraling Slipstream
-Gyroscopic Procession

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9
Q

Results in Forward Center Gravity

A

Nose Heavy
More Tail down force

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10
Q

Result in Aft Center Gravity

A

Tail Heavy
Less tail down force

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11
Q

What are the Four Left Turning Tendencies

A

Torque, P-Factor, Spiraling Slipstream, Gyroscopic Processing

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12
Q

What is Torque (LTT) What Axis.

A

The propellor turning in a clockwise way.
Longitudinal Axis
Prop. Connected to the crankshaft which is connected to the airplane.

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13
Q

What is P-Factor?

A

-As the pitch of the aircraft changes so does the orientation of the prop, pushing the right wing up more and the left side down causing LTT.

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14
Q

What is Spiraling Slipstream?

A

The action of the airflow going around the plane in a clockwise motion striking the left side of the vertical stabilizer, resulting in a yawing motion to the left.

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15
Q

What is Gyroscopic Procession? What Axis?

A

When the Gyro(Prop) is rotated at high speeds which then a force is applied to the gyro 90° in the direction from which the force is applied.

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16
Q

What is Dihedral Angle

A

The upwards angle of wings which affect lateral stability in a bank.

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17
Q

Stall

A

-Where the airflow goes over the wings. Wing is no longer producing lift resulting in a loss of altitude.
-Any airspeed and height.

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18
Q

What is a Spin

A

-Result of aircraft stalling in uncoordinated position.
-Flight path in a spin is nearly vertical.
Wing on outside rotation is producing more lift.

19
Q

Recovery of a spin (RCT)

A

-Rudder: Opposite rotation
-Control Wheel: Full Forward/ Aileron Nutral
-Throttle: Idle

20
Q

Purpose of Flaps Takeoff and Landing

A

Takeoff: Allows aircraft to become airborne sooner, minimizes ground roll.
Landing: Allows for increase decent angle, slower airspeed, ground roll reduced.

21
Q

What changes do flaps cause?

A

-Extension increases chamber of wing
-Changes angle of attack
-Change in lift
-Change in drag.

22
Q

4 Types of Flaps (PSSF)

A

Plain, Split, Slotted, Fowler

23
Q

Chord Line

A

Imaginary line that accurately detonates the angle of attack relative to airflow.

24
Q

Angle of Attack

A

-Angle on which the chord log an aircraft wing meets relative wind.
-Slower speed=higher angle of attack.

25
Q

3 Axis of Airplane and their controls

A

-Longitudinal: Roll(Ailerons)
-Lateral: Pitch(Elevators)
-Vertical: Yaw(Rudder)

26
Q

Adverse Yaw

A

The initial pull in the opposite direction than the desired direction.

27
Q

What is Vx and Vy

A

-Vx: Best angle of Climb
-Vy: Best rate of Climb

28
Q

Indications of Imminent stall (3)

A

-Loss of control effectiveness
-Buffeting of Airframe
-Stall warning Horn

29
Q

Slip

A

-Result of horizontal lift being greater than the centrifugal force.
-Excessive Bank angle.

30
Q

Skid

A

-Result of centrifugal force being great than the horizontal lift.
-Insufficient Bank angle.

31
Q

Ground Effect

A

-Happens when an aircraft is operating within a wingspan of the ground.
- ground inhibits the development of wingtip vortices which reduce downwash.(can’t produce lift)

32
Q

Static Stability

A

-The immediate tendency of an aircraft when displaced.

33
Q

Dynamic Stability

A

The tendency of an aircraft over time

34
Q

Design Characteristics (DSK)

A

-Dihedral
-Sweepback
-Keel Effect

35
Q

What happens to lift as air density decreases

A

As air density decreases - Lift Decreases

36
Q

Density Altitude

A

Pressure altitude corrected for non-standard temperature

37
Q

Relation of Humidity to aircraft performance

A

High Humidity= decrease aircraft performance

38
Q

Thrust opposes _________ as Lift opposes _________

A

Drag, Weight

39
Q

Does a piper archer have symmetrical or asymmetrical airfoil

A

Asymmetrical

40
Q

Angle which an aircraft will stall is called

A

Critical angle of attack

41
Q

The difference between basic empty weight and the maximum weight allowed is called:

A

Useful Load

42
Q

The total weight of the passengers and cargo on board the aircraft is called:

A

Payload

43
Q

The point where all three axis of rotation meet is called:

A

Center of Gravity

Avit 102 (10 decks)

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