Recently, a piece of dark sword does not have what model of man-machine full measure reachs group of its research and development to close according to explode suddenly red network. Together the airframe structure of the still doubt is like dark sword not to have man-machine titanium alloy stuff of exposure is illuminated. Dark sword of the hearsay on the net does not have man-machine 2011 head flying success. It is reported, the Zhuhai boat of 10 was exhibited 2006, dark sword does not have man-machine model first Jing is colourful show a body, but disappear from the scene subsequently. From this exposure overall in light of the model, dark sword does not have man-machine is one has supersonic speed, body exceeding concealed and the high-powered opportunity for combat that exceed motor-driven capacity undoubtedly. Attack by a hidden enemy is shown without the airframe of man-machine compressed clipper-built, wing and airframe round glide are crossed form body of a lift. Its airframe appearance used streamline to change a design. Compressed clipper-built airframe, with layout of confluence of arrow ala body. This makes dark sword is in high speed cruise when, not only reduce wind resistance, and have very good concealed body property. Repair the wing of grown sweepback to design at the same time, the ability of supersonic speed flight that makes equipment of this battle machines and tools typical. Dark sword does not have man-machine modelAdditional, the intake duct of this machine used typical DSI to enter the design that enrage a mouth, concealed body ability as much outstanding. And, this machine just is added below intake duct forehead fitted duck limb, make this machines and tools has capacity of tall motor-driven flight go qualitative.