Airbus is experimenting with planes hitching a ride on the wake of others
business of civil aviation, every little helps. So researchers at Airbus, Europe’s biggest aircraft manufacturer, have been experimenting with a wheeze which they hope might shave up to 10% off an airliner’s fuel consumption. This is to hitch a ride on the wake of the plane in front.
Airbus’s researchers, under the aegis of Sandra Bour Schaeffer, head of Airbus Group Demonstrators, have been trying to work out the details by flying a series of tests in which an380, both having been loaded with ballast to simulate the weight of passengers and cargo. To do this, the test pilots needed a way to see the vortices’ cores, in order to avoid steering into them—which would risk crashing the plane. Early experiments used smoke to make vortices visible.
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