Reversible camber airfoil

Details Reversible camber airfoil Reversible camber airfoil

2006-10-03

2006-10-03

Avila, Stephen (Department: 3617)

Ships

Sail or control means therefor

Having means to vary shape of sail

Reexamination Certificate

active

07114456

ABSTRACT:
A reversible camber airfoil rib has a first side and a second side that are adjoined at an angle along an interrupted common inner edge extending longitudinally from a leading edge to a trailing edge. An aperture extends through the common inner edge and enables the rib to pivotally couple with a mast about an axis that is transverse to the mast axis. The aperture also allows the rib to slide along the mast. Each of the sides of the rib has a cambered outer edge which supports an airfoil surface. A plurality of the ribs and attending components when enclosed in a flexible covering provides a reversible camber airfoil for use on a wind-powered vehicle.

REFERENCES:
patent: 6892659 (2005-05-01), Petretto
patent: WO 03/024782 (2003-03-01), None

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