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5 Most Common Aircraft Flap Types (Explained by a CFI)

Northstar VFR

When flaps extend, they increase the camber (curvature) of the wing, which boosts the amount of lift the wing generates. By increasing the camber (curvature) of the wing, it produces more liftat the cost of additional drag. Common Aircraft: Youll find Fowler flaps on higher-performance general aviation aircraft and light twins.

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Everything You Need To Know About Ailerons

Pilot Institute

The asymmetry between the top and bottom surface of the wing is called wing camber. The downward movement of the aileron increases the asymmetry and, therefore, the camber while raising the aileron reduces the wing camber. Fly-by-wire is expensive, so you wont find it on most small general aviation aircraft.

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The Role of Newton’s Third Law in Aviation

Pilot Institute

One is the upper wing surfaces curvature compared to the lower surface, called wing camber. High camber generally promotes more airflow deflection, thanks to something called Bernoullis Principle. This is why the typical airfoil shape has a curved top and a flat bottom, especially in slower-speed general aviation aircraft.

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The Most Misunderstood Aerodynamic Concepts

Flight Training Central

Looking at the curvature or camber of a typical general aviation wing, the top has more curvature and thus surface area than the bottom of the wing. In the case of our airfoil, we’ll assume that the fluid is air and that the air is relatively still. As we force the airfoil through the still air, it is separated by the airfoil.