| 摘要 |
An adjustable fluid foil. The fluid foil includes one or more adjustable spars that are connected to one or more adjustable ribs. A deformable surface substantially houses the one or more adjustable spars and ribs. In a specific embodiment, the deformable surface is sufficient to enable changes in one or more span-wise fluid foil geometries in response to adjusting of the frame. In the specific embodiment, the one or more adjustable spars and ribs are substantially coplanar, sharing a plane that is approximately parallel to a surface area of the fluid foil. The one or more adjustable spars and ribs include a mechanism for adjusting the position and/or a mechanism for adjusting the size of one or more adjustable spars and ribs. In one embodiment, the one or more adjustable spars and ribs are pivotally interconnected to facilitate adjustments in relative angles formed therebetween. In this embodiment, the one or more adjustable ribs are connected to the one or more adjustable spars so that actuation of a first spar changes a sweep angle of the fluid foil and simultaneously adjusts a base chord thereof.
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