Method and apparatus for controlling the yaw and pitch of air vehicles at high angles of attack by controlling the vortex pattern around the forebodies of the air vehicles by means of deflecting strakes 11 and 16.
A method for controlling the yaw of an air vehicle, including a forebody which is the extended nose portion of the fuselage forward of the forward-most lifting surface of the air vehicle, at high angles of attack when the rudder of the air vehicle becomes ineffective comprising the steps of: providing two symmetrically hinged conformal strakes on either side of the forebody of the air vehicle and with each hinged near the outer surface of the forebody at equal and opposite strake location angles for altering the flow separations and resulting vortex patt...
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