Airbus has been granted US patents for two configurations that tackle one of the fundamental limitations of most aircraft designs – the wing is fixed to the fuselage. Other than variable-geometry, or swing-wing, designs where the objective is to combine the lower high-speed drag of a swept wing with the higher low-speed lift of an unswept wing, there might not seem much advantage to a moveable wing. Not so, it seems.
In the first configuration (
US patent 8,360,357 B2, filed in 2010), the wing is movable longitudinally along the aircraft
In the second configuration (
US patent 8,336,811 B2, filed in 2010), the wing, tail and engines are combined into something Airbus calls the "aero-propulsive unit", which is mounted above the fuselage and attached via a system of rods.
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