Inflatable airfoils, and elevated and propulsion driven vehicles

In an aeronautical apparatus, the combination comprising

• a) a primary airfoil, having at least one panel which is one of the following:
• i) an upper panel
• ii) a lower panel,
• b) multiple gas containing tubes associated with the airfoil and extending lengthwise thereof,
• c) said airfoil having opposite ends, and including chordwise extending structures at said opposite ends and connected to one or more of the following:
• i) the upper panel
• ii) the lower panel
• iii) ends of the tubes,
• d) said structures projecting generally forwardly of a line defined by the generally lengthwise extending leading edge of the airfoil, and said structures also projecting generally rearwardly of a line defined by the generally lengthwise extending trailing edge of the airfoil,
• e) there being a flight control surface located rearwardly of the airfoil and extending transversely relative to said structures, said flight control surface being one of the following:
• i) a panel or panels
• ii) a secondary airfoil or airfoils,
• f) and including tethers supported by said primary airfoil and by said flight control surface.