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Como Santos Dumont inventou o avi?oDOI: 10.1590/S1806-11172009000300015 Keywords: alberto santos dumont, aerodynamics forces, dirigible balloon, airplane. Abstract: the fundamental aerodynamics forces in the heavier-than-air flight are four: thrust, drag, weight and lift. this article shows how alberto santos dumont, the great brazilian aviation pioneer, managed to create, starting from a lighter-than-air craft-the dirigible balloon - the first successful airplane in history, working only with those forces.
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