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The term chord is also applied to the width of wing flaps, ailerons and rudder on an aircraft. Many wings are not rectangular, so they have different chords at different positions. Usually, the chord length is greatest where the wing joins the aircraft's fuselage (called the root chord) and decreases along the wing toward the wing's tip (the ...
The Boeing 737 Classic is the name given to the 737-300 ... economical than with the 737-300. The fuselage length of the 737 ... span the entire wing chord.
The natural outcome of this requirement is a wing design that is thin and wide, which has a low thickness-to-chord ratio. At lower speeds, undesirable parasitic drag is largely a function of the total surface area , which suggests using a wing with minimum chord, leading to the high aspect ratios seen on light aircraft and regional airliners .
Adaptive compliant wing: an adaptive compliant wing may be capable of varying span, sweep, chord length, dihedral, twist, camber, and thickness, as seen on NASA's Advanced Fighter Technology Integration (AFTI) Program F-111.
The chord of the slat is typically only a few percent of the wing chord. The slats may extend over the outer third of the wing, or they may cover the entire leading edge . Many early aerodynamicists, including Ludwig Prandtl , believed that slats work by inducing a high energy stream to the flow of the main airfoil , thus re-energizing its ...
For symmetrical airfoils =, so the aerodynamic center is at 25% of chord measured from the leading edge. But for cambered airfoils the aerodynamic center can be slightly less than 25% of the chord from the leading edge, which depends on the slope of the moment coefficient, . These results obtained are calculated using the thin airfoil theory so ...
Planform view of 737NG showing the 25% larger and 16-foot-wider (4.9 m) wing compared to the 737 Classic Boeing 737-800 glass cockpit The wing was redesigned with a new thinner airfoil section, and a greater chord and increased wing span (by 16 ft [4.9 m]) increased the wing area by 25%, which also increased total fuel capacity by 30%.
If the wing is swept, c is measured parallel to the direction of forward flight. For most wings the length of the chord is not a constant but varies along the wing, so the aspect ratio AR is defined as the square of the wingspan b divided by the wing area S. [10] [11] In symbols, =.