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Encyclopedia > Yaw (flight)

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Flight dynamics is the study of orientation of air and space vehicles and how to control the critical flight parameters, typically named pitch, roll and yaw. Flight dynamics. ... Jump to: navigation, search An aircraft is any machine capable of atmospheric flight. ... Ariane 5 lifts off with the Rosetta space probe on March 2, 2004. ... Vehicles are non-living means of transportation. ...


Pitch is rotation around the lateral or transverse axis. This axis is parallel to the wings, thus the nose and tail both pitch up or down. An aircraft pitches up to climb and pitches down to dive. The term, transverse means side-to-side as opposed to longitudinal which means front-to-back. In automotive engineering, the term, transverse refers to an engine in which the crankshaft is oriented side-to-side relative to the wheels of the vehicle. ... The axis of rotation of a rotating body is a line such that the distance between any point on the line and any point of the body remains constant under the rotation. ... The term Parallel has a number of important meanings: Parallel (geometry) occurs in geometry. ...


Roll is rotation around the longitudinal axis—an axis drawn through the body of the vehicle from tail to nose. This is also known as bank. The term, longitudinal means front-to-back or top-to-bottom as opposed to transverse which means side-to-side. In automotive engineering, the term, longitudinal refers to an engine in which the crankshaft is oriented along the long axis of the vehicle, front to back. ...


Yaw is rotation about the normal axis—an axis perpendicular to the pitch and roll axes. If an airplane model placed on a flat surface is spun or pivoted around the center of mass (coordinate origin) it would be described as yawing. A surface normal, or just normal to a flat surface is a three-dimensional vector which is perpendicular to that surface. ... For the Deep Purple album, see Purpendicular. ... The center of mass or center of inertia of an object is a point at which the objects mass can be assumed, for many purposes, to be concentrated. ... See Cartesian coordinate system or Coordinates (elementary mathematics) for a more elementary introduction to this topic. ... In mathematics, the origin of a coordinate system is the point where the axes of the system intersect. ...


Aerospace engineers develop control laws and control systems to allow pilots to control their aircraft in the three dimensions described above. Aerospace engineering is the branch of engineering concerning aircraft, spacecraft and related topics. ... Jump to: navigation, search Dimension (from Latin measured out) is, in essence, the number of degrees of freedom available for movement in a space. ...


See also


  Results from FactBites:
 
Wright Brothers in the Aviation History Encyclopedia (658 words)
They had researched and initially relied upon the aeronautical literature of the day, including Lilienthal's tables but, finding that the Smeaton Coefficient, a variable in the formula for lift and the formula for drag was wrong, had a wind tunnel built by their employee, Charlie Taylor, to perform practical tests.
Orville's uncontrolled flight, of 120 feet in 12 seconds, was recorded in a famous photograph.
In the fourth flight of the same day, the only flight made that day which was actually controlled, Wilbur Wright flew 852 feet in 59 seconds [1].
Your Flight Has Been Cancelled.... (10958 words)
Purposes of these flights were to be: geophysical and astronomical research; photography of the solar corona; solar x-ray imagery; medical-biological research; detailed study of the effects of weightlessness on the human organism; dosimetry; and engineering tests of ion flow sensors to be used for orientation of later Soyuz spacecraft.
The flight would have been devoted to demonstrating pilot control of the spacecraft and evaluation of the systems (this was to hve followed two unmanned flight tests).
This flight was finally seen as unnecessary; the decision to cancel it came on November 16 and was officially announced on December 22, 1966; the Schirra crew instead became, briefly, the backup crew to Apollo 1 (replacing the original backup crew of McDivitt, Scott, Schweickart).
  More results at FactBites »

 

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