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Mean aerodynamic chord (MAC) is defined as: [6] = (), where y is the coordinate along the wing span and c is the chord at the coordinate y.Other terms are as for SMC. The MAC is a two-dimensional representation of the whole wing. The pressure distribution over the entire wing can be reduced to a single lift force
For a tailless aircraft, the neutral point coincides with the aerodynamic center, and so for such aircraft to have longitudinal static stability, the center of gravity must lie ahead of the aerodynamic center. [13] For missiles with symmetric airfoils, the neutral point and the center of pressure are coincident and the term neutral point is not ...
To find the center of gravity, we divide the total moment by the total weight: 193,193 / 2,055 = 94.01 inches behind the datum plane. In larger aircraft, weight and balance is often expressed as a percentage of mean aerodynamic chord, or MAC. For example, assume the leading edge of the MAC is 62 inches aft of the datum.
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The chord length is the distance between the trailing edge and the point on the leading edge where the chord intersects the leading edge. [ 42 ] [ 43 ] Clean configuration – is the flight configuration of a fixed-wing aircraft when its external equipment is retracted to minimize drag and thus maximize airspeed for a given power setting.
Back in 2009, the "Miracle on the Hudson" involved a bird strike, and a plane taking the same route as Thursday's American Airlines jet. All 155 people were rescued in that incident, and pilot ...
You can see the site of the plane crash here. The crash happened during the first round of eliminations for the NHRA’s Top Fuel class. . @kracingphotos walked down to the end of the stands and ...
An ASH 31 glider with very high aspect ratio (AR=33.5) and lift-to-drag ratio (L/D=56). In aeronautics, the aspect ratio of a wing is the ratio of its span to its mean chord.It is equal to the square of the wingspan divided by the wing area.