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Subsonic Flight Investigation of Methods to Improve the Damping of Lateral Oscillations by Means of a Viscous Damper in the Rudder System in Conjuction with Adjusted Hinge-moment Parameters
A flight investigation at subsonic speeds of a method to improve the damping of lateral oscillations by means of a viscous damping cylinder used in the rudder system in conjunction with adjusted hinge-moment parameters has been conducted. The damping device has been applied to a modern fighter-type jet-powered airplane. The rudder was made to float with the relative wind by the addition of trailing-edge strips. In order to amplify the floating tendency (by reducing the restoring moment), a highly geared balancing tab was incorporated. Lag of the motion of the free rudder with respect to the yawing of the airplane was introduced by means of a small viscous damping cylinder linked to the rudder.
Peepshow
The line dividing public life and private behavior in American politics is more blurred than ever. When it comes to questions about sex, substance abuse and family life, anything goes on the political desk in many newsrooms, including uncorroborated hearsay disguised as news. But some stories still never make it into print or on the air. What are the rules for politicians and journalists in the aftermath of WashingtonOs biggest sex scandal? Peepshow looks behind the scenes at news coverage of political scandals, analyzing what gets reported, what doesnOt, and why. The authors talk with top news editors to get a fix on what will make the evening news and what weOre likely to read about in the...
Cleanroom Software Engineering Practices
Cleanroom Software Engineering is a set of techniques and practices for the development of software-intensive systems. This book brings together concepts, lessons learned and best practices resulting from Cleanroom projects surveyed in the past several years.
Application of the Laplace Transformation to the Solution of the Lateral and Longitudinal Stability Equations
The application of the Laplace transformation to the solution of the lateral and longitudinal stability equations is presented. The expressions for the time history of the motion in response to a sinusoidal control motion are derived for the general case in which the initial conditions, initial displacements and initial velocities, are assumed different from zero. Some illustrative examples of the application of the Laplace transform to ordinary linear differential equations with constant coefficients and a number example of a specific problem are presented in appendixes.
