Symbols & Definitions Flashcards

1
Q

What is Density?

A

The mass per unit volume of a substance

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2
Q

What is the unit of density?

A

kg per m3

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3
Q

What is the density of Air?

A

1.225 kg/cubic metre

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4
Q

What is Velocity?

A

The speed of a body in a particular direction

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5
Q

True Airspeed (TAS)

A

V

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6
Q

What is Pressure?

A

The various forces that exist around an Aerofoil.

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7
Q

What is the Lift Coefficient?

A

A measure of the wings lifting capability

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8
Q

What are the 3 imaginary axes on an aircraft?

A
  • Longitudinal Axis
  • Lateral Axis
  • Normal Axis
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9
Q

What is the common point that these 3 Axis pass through?

A

Centre of Gravity

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10
Q

The Longitudinal Axis…

A

Runs through the fuselage from the nose to the tail

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11
Q

When the Longitudinal axis runs through the nose to the tail it…

A

ROLLS the aircraft

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12
Q

The Lateral Axis…

A

Runs from wing tip to wing tip

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13
Q

When the Lateral Axis runs from wing tip to wing tip it…

A

PITCHES the aircraft

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14
Q

The Normal Axis…

A

Runs vertically perpendicular to the other two axes

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15
Q

When the Normal Axis runs perpendicular to the other two axes it…

A

YAWS the aircraft.

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