Importance

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Abstract

A body having a fuselage, a wing unit including a main wing, and a propulsion unit including an engine. The wing unit includes a main wing protruding out from the lateral center of the WIG vehicle fuselage, a downward wing which is vertically and downwardly installed on the outer tip of the main wing, and a canard which protrudes out horizontally from the front end of the fuselage, which is in the moving direction of the WIG vehicle from the main wing. The canard includes a horizontal stabilization plate which has a stationary horizontal panel structure, and a variable flap which is installed to face the rear surface of the horizontal stabilization plate. In the lateral cross section shape, the front surface portion including the leading edge is round at a proper thickness to prevent clearance generated by turning of the canard, the trailing edge is sharp and straight, and the thickness of a portion between the thickest portion and rear portion narrows. The lateral cross section of the entire horizontal stabilizer is airfoil-shaped. Accordingly, the invention is able to resolve the design problem of the horizontal stabilizer caused by a ground effect because the WIG vehicle comprises a canard for stabilizing vertical disturbance instead of a horizontal stabilizer.

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First Claim