Abstract
At the request of the United States Marine Corps, an exploratory wind-tunnel and flight-test investigation was conducted by NASA Langley Research Center on the Marine Corps' Exdrone remotely piloted vehicle configuration. Static wind-tunnel tests were conducted to identify and improve the stability and control characteristics of the vehicle. The wind-tunnel tests resulted in several configuration modifications, including increased elevator area, increased vertical tail area and moment arm, increased rudder area and aileron area, the addition of vertical wingtip fins, and the addition of leading-edge droops on the outboard wing panel to improve stall departure resistance. Flight tests showed improved flight characteristics of the modified configuration.
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