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Glossary

AeroPAD.1 also contains a Glossary, allowing access to information about all the terminology used in this program.

Here is an example from the Glossary.

Wing
The wing is the main supporting (lifting) surface of an airplane. Its dimensions are determined by the specifications of the mission. The gross wing area is normally calculated by dividing the gross weight of the aircraft by the wing loading. The lift of a wing and its performance depend on many factors, but mainly the aerodynamic airfoil.
 

S     Gross Wing Area
The full wing area including the fuselage portion.

b     Wing Span
The wing length from tip to tip (including fuselage portion).

c     Chord
The average width of a wing from the leading edge to the trailing edge.

A     Aspect Ratio
The ratio between the span and the chord of an airfoil, also defined as wing span²/gross wing area.
The average values for sportplanes:
          from 5 to 8: main wing
          from 3 to 5: horizontal tail
          from 1.5 to 2.5: vertical tail
Increase of A = reduction of induced drag (Cdi).

Swet  Wetted Area
The total surface area of the airplane immersed in the airflow. It is the main component that interferes with the friction drag (Cdp).

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