Aerofoil An aerofoil is a cross sectional shape of an aircraft wing. Angle of Incidence The angle of incidence is the angle between the chord line of the aerofoil and a reference axis or a nominated straight line from the front to the back of the aircraft. Angle of attack The angle of attack is the angle between the chord line and the relative airflow. Chord line The chord line is a line joining the leading and trailing edge in a straight line. Camber Camber is the curve of an aerofoil from the leading edge to the trailing edge. Centre of gravity The centre of gravity is the average location of the weight of an aircraft. It is the point on the aircraft that if it were fixed to a cable and hung from a crane it would balance perfectly. Centre of pressure The centre of pressure is the point where the total sum of all the pressure fields act on the aircraft wing. Basic Terminology Chapter 1
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