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longitudinal moment of inertia

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  • inertia coupling — A form of instability that manifests itself during maneuvers, especially in the pitching and yawing motions. It is particularly common during rolling at very rapid rates and high g rolling pullouts either at very low indicated air speeds or at… …   Aviation dictionary

  • Roll moment — In a vehicle suspension, roll moment is the moment of inertia of the vehicle s sprung mass (the portion of its weight supported by the suspension). The roll moment is the product of the sprung mass and the square of the distance between the… …   Wikipedia

  • Flight dynamics — is the science of air and space vehicle orientation and control in three dimensions. The three critical flight dynamics parameters are the angles of rotation in three dimensions about the vehicle s center of mass, known as pitch , roll and yaw… …   Wikipedia

  • Bicycle and motorcycle dynamics — A computer generated, simplified model of bike and rider demonstrating an uncontrolled right turn. An …   Wikipedia

  • Defining equation (physics) — For common nomenclature of base quantities used in this article, see Physical quantity. For 4 vector modifications used in relativity, see Four vector. Very often defining equations are in the form of a constitutive equation, since parameters of… …   Wikipedia

  • Insect wing — Original veins and wing posture of a dragonfly. Hoverflies hovering to mate …   Wikipedia

  • Rigid rotor — The rigid rotor is a mechanical model that is used to explain rotating systems. An arbitrary rigid rotor is a 3 dimensional rigid object, such as a top. To orient such an object in space three angles are required. A special rigid rotor is the… …   Wikipedia

  • Stability derivatives — are a means of linearising the equations of motion of an atmospheric flight vehicle so that conventional control engineering methods may be applied to assess their stability.The dynamics of atmospheric flight vehicles is potentially very… …   Wikipedia

  • Metacentric height — Ship Stability diagram showing centre of gravity (G), centre of buoyancy (B), and metacentre (M) with ship upright and heeled over to one side. Note that for small angles, G and M are fixed, while B moves as the ship heels, and for big angles B… …   Wikipedia

  • solids, mechanics of — ▪ physics Introduction       science concerned with the stressing (stress), deformation (deformation and flow), and failure of solid materials and structures.       What, then, is a solid? Any material, fluid or solid, can support normal forces.… …   Universalium

  • B/A ratio — The ratio that determines the spinning characteristics of an aircraft. The mass of an aircraft can be distributed about its three axes (i.e., longitudinal, lateral, and vertical). The distribution of mass about the longitudinal axis determines… …   Aviation dictionary


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