2007•The Proceedings of Conference of Kanto BranchOpen access

21411 Aerodynamic Characteristics of the WIG Wing

Akira Hoshino, Toshio Iijima, Hisayuki Ennoji

Abstract

The WIG has worse stability of the pitching moment to change of a flight altitude compared with a conventional airplane. In order to solve this problem, aerodynamic characteristic of S-shape wings were examined by carrying out wind tunnel experiment by applying reflected image model method to reproduce the ground. The wing profiles used for the experiment are NACA6409 which has high cambered profile and two different S-shape wings. From the experiment, it is found that the S shape wing is inferior in lift drag ratio, but it is superior in stability of pitching moment compared with the NACA6409.

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Key concepts: Wing, Pitching moment, Wing twist, Aerodynamics, Airplane, Ground effect (cars), Wing loading, Wind tunnel