AIR PROPELLER ARRANGEMENT AND AIRCRAFT
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United States of America Patent
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Dec 28, 2009
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Dec 28, 2009
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Abstract
An air propeller arrangement for propulsion of a fixed-wing aircraft includes a first air propeller that includes a first hub member and at least a first and a second propeller blade, the first and second blades being configured to contribute significantly to the propulsion and having a substantially equal length. Each of the blades has an inner, root end arranged at the first hub member and an outer, tip end positioned at a distance from the first hub member such that each blade extends in a radial direction from the first hub member. The first and second blades are interconnected at their outer ends. An aircraft provided with such an air propeller arrangement is also provided.
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