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 How Aspect Ratio Affects the Wing Lift Coefficient of RC Airplane

 

 

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Aspect Ratio Affect on the Wing Lift Coefficient of RC Airplane

Let us now consider how Aspect Ratio affects Wing Lift Coefficient (CL) in terms of Wing Angle of Attack of RC Airplanes. Consider the graph below, on the x-axis is Wing Angle of Attack in degrees and on the y-axis is the Wing Lift Coefficient (CL). Lift curve of different RC Airplanes Wings are drawn with increasing Aspect ratio.

 

 

From the graph, we can conclude that higher values of the Aspect Ratio cause the wing to reach the maximum lift coefficient earlier at a smaller angle of attack. When the Aspect Ratio is smaller higher values of Angle of attack are required to achieve the maximum lift coefficient.

So in conclusion, we can say that higher Aspect Ratio wings reach the maximum lift coefficient of wing at smaller AOA (angle of attack) while lower Aspect Ratio wings reach the maximum lift coefficient of wing at higher AOA.