Are Helicopter Blades Airfoil? An airfoil is any surface, such as an airplane wing or a helicopter rotor What is a helicopter airfoil? An airfoil is any surface producing more lift than drag when passing through the air at a suitable angle. Airfoils are most often associated with production of lift. Airfoils are also used
Is Air Pressure Higher Above An Airfoil? The shape of an airfoil causes air to flow faster on top than on bottom. … Because the air pressure is greater below the airfoil than above, a resulting lift force is created. To further understand how an airfoil creates lift, it is necessary to use two important
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