ANALYTICAL METHOD FOR PLOT DRAG POLAR OF LIGHT AIRCRAFT OPERATING UNDER SUBSONIC FLIGHT CONDITIONS - APPLICATIONS FOR SAE-AERODESIGN

This article has as objective to present an analytical model that allows the determination of the equation that defines the drag polar of a light aircraft operating under subsonic flight conditions. Basically the whole relationship between the lift force and drag force and important details about the performance of an aircraft can be obtained from the direct reading of the drag polar curve, fundamental questions such as what is a drag polar and, what its importance for the performance of the aircraft are discussed in detail on the development and submission of this article.