AirShip VTOL UAV
AirShip VTOL Airframe
Where the fuselage airframe curves intersect, hollow joints allow pieces to be fitted together. This technique creates an extremely stable and rigid internal cargo-payload compartment cell, improving safety. Composites, aluminum and titanium have a high strength-to-weight ratio, but they are inherently less stiff than steel. Hence, in some of the aircraft?s structure larger cross sections of these materials are required to duplicate the stiffness of a steel structure. This tradeoff undermines some minor weight savings. The ATG VTOL UAV?s airframe ends up about 50 percent lighter than alternatives. The composite, aluminum and titanium can be easily extruded - pushed through a relatively inexpensive die to form lengthy surfaces with complex aerodynamic cross sections.