Patent ID: 9090325
Filing Date: 2015-07-28
Classification: B64C

Abstract:
1. A supplementary control surface structure for an airplane, the airplane including a fuselage with wings extending laterally therefrom, the fuselage having a longitudinal axis, a length, and a height relative to the longitudinal axis, and roll control surfaces respectively disposed with the wings, the supplementary control surface structure for an airplane comprising: a moveable vertically oriented roll control surface member for roll control adapted to be disposed atop the fuselage of the airplane along the longitudinal axis thereof, and is adapted to be positioned substantially at a lateral center of pressure of the airplane, the moveable vertically oriented roll control surface member selectively deflecting laterally in at least one of a first direction or a second direction based on a corresponding roll control action; and a vertically oriented fin adapted to be affixed atop the fuselage of the airplane along the longitudinal axis thereof, the moveable vertically oriented roll control surface member being disposed in conjunction with the vertically oriented fin; wherein the moveable vertically oriented roll control surface member is movably attached to the vertically oriented fin by a substantially vertically oriented hinge line; wherein the vertically oriented fin extends substantially the length of the fuselage of the airplane along the longitudinal axis thereof.