Articulated Control Surface.
Patent, Filed 1 Oct 90, patented 19 May 92,
DEPARTMENT OF THE NAVY WASHINGTON DC
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An articulated control surface for flight control utilizes a moldable control surface that is shaped by contracting and elongating shape memory alloys embedded within the control surface. The shape memory alloys contract when heated via an applied electric current and elongate when cooled, i.e., the electric current is removed. The resulting control surface is capable of generating a curved control surface without any electromechanical or hydraulic control systems.
- Flight Control and Instrumentation