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Fenster schliessen

Dihedral of a wing is the angle between:

wing plane and the horizontal with the aeroplane in an unbanked, level condition.

 

Dihedral of a wing is the angle between:

WING PLANE and HORIZONTAL with the aeroplane in an unbanked, level condition.

Fenster schliessen

Taper ratio is the ratio of:

the root chord to the tip chord.

TR: Root Chord to TIP CHORD

Fenster schliessen

The aspect ratio of the wing is:

the ratio between the WING SPAN and the MEAN GEOMETRIC CHORD.

AR is the ratio WING SPAN : MEAN GEOMETRIC CHORD.

Fenster schliessen

The Mean Aerodynamic Chord (MAC) for a given wing of any planform is

the chord of a rectangular untwisted wing with the same moment and lift.

MAC = The Chord of a rectangular untwisted wing with the same moment and lift.

Fenster schliessen

The angle between the aeroplane longitudinal axis and the chord line is the

angle of incidicne.

Angle between longitudinal axis and the chord line:

Angle of Incidence.

Fenster schliessen

An aerofoil is cambered when:

the line, which connects the centres of all inscribed circles, is curved.

Cambered aerofoil : the line, which connects the centres of all inscribed circles, is curved.

Fenster schliessen

A line connecting the leading- and trailing edge MIDWAY between the upper and lower surface o an aerofoil: This definiton is applicable for 

the camber line.

connecting line between leading and trailing edge midway between the upper and lower surface: the camber line.

Fenster schliessen

The relative thickness of an aerofoil is expressed in:

% chord.

Thickness of aerofoil in "% chord."