Each line is calculated based on a Reynolds number. I have plotted 2 lines on the chart for two. The example chart in this article is the lift coefficient of a supercritical airfoil. Who really does that these days anyway besides aeronautical students? Knowing how airfoils behave will give you, as a designer, greater flexibility in your wing design.Ĭl v Lift charts are computer generated or can be manually calculated using an equation. Now, with CAD software like Solidworks, Fusion 360 and other 3D design tools, we can design and build planes with far more predictable and intended results. Using well known and simple airfoil templates were the way to go. Historically, scratch builders of model airplanes did not rely on sophisticated software when creating their wings. ![]() Rest assured it is very simple to read and understand and will help you decide on airfoils for your future flying model airplanes. At first glance it may be a little bit intimidating. ![]() In this article we will take a more lay person's look at how to read a Polar Plot chart of Lift Coefficient.
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