Symbols & Definitions Flashcards
What is Density?
The mass per unit volume of a substance
What is the unit of density?
kg per m3
What is the density of Air?
1.225 kg/cubic metre
What is Velocity?
The speed of a body in a particular direction
True Airspeed (TAS)
V
What is Pressure?
The various forces that exist around an Aerofoil.
What is the Lift Coefficient?
A measure of the wings lifting capability
What are the 3 imaginary axes on an aircraft?
- Longitudinal Axis
- Lateral Axis
- Normal Axis
What is the common point that these 3 Axis pass through?
Centre of Gravity
The Longitudinal Axis…
Runs through the fuselage from the nose to the tail
When the Longitudinal axis runs through the nose to the tail it…
ROLLS the aircraft
The Lateral Axis…
Runs from wing tip to wing tip
When the Lateral Axis runs from wing tip to wing tip it…
PITCHES the aircraft
The Normal Axis…
Runs vertically perpendicular to the other two axes
When the Normal Axis runs perpendicular to the other two axes it…
YAWS the aircraft.
