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The transmission was first used on the Zetec-engined Escort Mk V (only XR3i), but its proper intended application was on the Mondeo and its derivatives (the American Ford Contour, Mercury Mystique and the New Edge Mercury/Ford Cougar).
The design was pioneered in fighter jets to significantly reduce the sharp drag rise at transonic speed and supersonic speeds.Using this design often results in a pinch-waisted fuselage shape that National Advisory Committee for Aeronautics (NACA) labeled the design principle the "area rule" and variously identified as a coke bottle, wasp waist, or Marilyn Monroe shape (i.e. an hourglass figure).
Paraboloidal coordinates are three-dimensional orthogonal coordinates (,,) that generalize two-dimensional parabolic coordinates.They possess elliptic paraboloids as one-coordinate surfaces.
A parabolic (or paraboloid or paraboloidal) reflector (or dish or mirror) is a reflective surface used to collect or project energy such as light, sound, or radio waves. Its shape is part of a circular paraboloid , that is, the surface generated by a parabola revolving around its axis.
A contour chart of scale factors of GS50 projection Maps reflecting directions, such as a nautical chart or an aeronautical chart , are projected by conformal projections. Maps treating values whose gradients are important, such as a weather map with atmospheric pressure , are also projected by conformal projections.
Paraboloid of revolution. In geometry, a paraboloid is a quadric surface that has exactly one axis of symmetry and no center of symmetry. The term "paraboloid" is derived from parabola, which refers to a conic section that has a similar property of symmetry. Every plane section of a paraboloid made by a plane parallel to
Used in aviation charts. 1805 Albers conic: Conic Equal-area Heinrich C. Albers: Two standard parallels with low distortion between them. c. 1500: Werner: Pseudoconical Equal-area, equidistant Johannes Stabius: Parallels are equally spaced concentric circular arcs.
Hyperbolic paraboloid A model of an elliptic hyperboloid of one sheet A monkey saddle. A saddle surface is a smooth surface containing one or more saddle points.. Classical examples of two-dimensional saddle surfaces in the Euclidean space are second order surfaces, the hyperbolic paraboloid = (which is often referred to as "the saddle surface" or "the standard saddle surface") and the ...