Chapter 4
Chapter 4Dynamical Equations for FlightVehiclesThese notes provide a systematic background of the derivation of the equations of motionfor a flight vehicle, and their linearization. The relationship between dimensional stabilityderivatives and dimensionless aerodynamic coefficients is presented, and the principalcontributions to all important stability derivatives for flight vehicles having left/rightsymmetry are Basic Equations of MotionThe equations of motion for a flight vehicle usually are written in a body-fixed coordinate is convenient to choose the vehicle center of mass as the origin for this system, and the orientationof the (right-handed) system of coordinate axes is chosen byconvention so that, as illustrated inFig. : thex-axis lies in the symmetry plane of the vehicle1and points forward; thez-axis lies in the symmetry plane of the vehicle, is perpendicular to thex-axis, and pointsdown; they-axis is perpendicular to the symmetry plane of the vehicle and points out the right precise orientation of thex-axis depends on the application; the two most common choices are: to choose the orientation of thex-axis so that the pr
Chapter 4 Dynamical Equations for Flight ... (4.9) 2If we are interested in determining where the vehicle is going – say, we are planning a flight path to get us from ... The vector form of the equation relating the net torque to the rate of change of angular momentum is
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