enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Dihedral (aeronautics) - Wikipedia

    en.wikipedia.org/wiki/Dihedral_(aeronautics)

    In geometry, dihedral angle is the angle between two planes. Aviation usage differs slightly from usage in geometry. In aviation, the usage "dihedral" evolved to mean the positive, up angle between the left and right wings, while usage with the prefix "an-" (as in "anhedral") evolved to mean the negative, down angle between the wings.

  3. Isometric projection - Wikipedia

    en.wikipedia.org/wiki/Isometric_projection

    From the two angles needed for an isometric projection, the value of the second may seem counterintuitive and deserves some further explanation. Let's first imagine a cube with sides of length 2, and its center at the axis origin, which means all its faces intersect the axes at a distance of 1 from the origin.

  4. Aircraft flight dynamics - Wikipedia

    en.wikipedia.org/wiki/Aircraft_flight_dynamics

    angle of attack α: angle between the x w,y w-plane and the aircraft longitudinal axis and, among other things, is an important variable in determining the magnitude of the force of lift; When performing the rotations described earlier to obtain the body frame from the Earth frame, there is this analogy between angles: β, ψ (sideslip vs yaw)

  5. Angle of attack - Wikipedia

    en.wikipedia.org/wiki/Angle_of_attack

    In fluid dynamics, angle of attack (AOA, α, or ) is the angle between a reference line on a body (often the chord line of an airfoil) and the vector representing the relative motion between the body and the fluid through which it is moving. [1] Angle of attack is the angle between the body's reference line and the oncoming flow.

  6. Dihedral angle - Wikipedia

    en.wikipedia.org/wiki/Dihedral_angle

    In this case, the half planes can be described by a point P of their intersection, and three vectors b 0, b 1 and b 2 such that P + b 0, P + b 1 and P + b 2 belong respectively to the intersection line, the first half plane, and the second half plane. The dihedral angle of these two half planes is defined by

  7. Oblique projection - Wikipedia

    en.wikipedia.org/wiki/Oblique_projection

    The foreshortening factor (1/2 in this example) is inversely proportional to the tangent of the angle (63.43° in this example) between the projection plane (colored brown) and the projection lines (dotted). Front view of the same. Oblique projection is a type of parallel projection: it projects an image by intersecting parallel rays (projectors)

  8. Axonometric projection - Wikipedia

    en.wikipedia.org/wiki/Axonometric_projection

    In isometric projection, the most commonly used form of axonometric projection in engineering drawing, [4] the direction of viewing is such that the three axes of space appear equally foreshortened, and there is a common angle of 120° between them. As the distortion caused by foreshortening is uniform, the proportionality between lengths is ...

  9. Plane–plane intersection - Wikipedia

    en.wikipedia.org/wiki/Planeplane_intersection

    Given two intersecting planes described by : + + + = and : + + + =, the dihedral angle between them is defined to be the angle between their normal directions: