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Abstract
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Theaerodynamic characteristics of the wing-in-ground effect (WIG) craftmodel that has a noble configuration of a compound wing
was experimentally investigated and Universiti Teknologi Malaysia (UTM) wind tunnel with and without endplates. Lift and drag
forces, pitching moment coefficients, and the centre of pressure were measured with respect to the ground clearance and the wing
angle of attack. The ground effect and the existence of the endplates increase the wing lift-to-drag ratio at low ground clearance.
The results of this research work show new proposed design of the WIG craft with compound wing and endplates, which can
clearly increase the aerodynamic efficiency without compromising the longitudinal stability. The use of WIG craft is representing
an ambitious technology that will help in reducing time, effort, and money of the conventional marine transportation in the future.
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