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...'planar reentry equations''' are the [[equations of motion]] governing the unpowered [[Atmospheric entry|reentry]] of a [[spacecraft]], based on the assumptions * <math>\gamma > 0</math> is the flight path angle ...

...nt]] used a metal fan that was rolled up during launch and expanded during flight. The metal has five times as much destructive power as an explosive warhead ...rating trauma#Cavitation|cavitation]]. In kinetic weapons with [[unpowered flight]], the [[muzzle velocity]] or [[projectile motion#Velocity|launch velocity] ...

[[File:McDonnell XV-1 in flight.jpg|thumb|334px|right|The [[McDonnell XV-1]] could slow its rotor from 410 ...peed]] of the [[Helicopter rotor|rotor]] is constant; reducing it at lower flight speeds can reduce fuel consumption and enable the aircraft to fly more econ ...

...of the wind after the drop is small, the wind's effects on the aircraft in flight are not. Winds at typical bombing altitudes tend to be fairly strong, and i ...roll stabilization because the bombsight is no longer needed to adjust the flight path during the initial approach, instead, the sight has to be stabilized i ...

...lved with the study, [[design process|design]], and manufacturing of air [[flight]] capable machines, and the techniques of operating [[aircraft]] and rocket ...ft that gains its lift through the use of a buoyant gas. Aerostats include unpowered [[balloon (aircraft)|balloons]] and powered [[airship]]s. ...