![]() ![]() This creates lift in an airplane wing or airflow in an impeller. Air is deflected across the convex curve along the top of the blade and along the flat or concave curve on the bottom of the blade, and flows downward over the sharp trailing edge as it leaves the blade.Īccording to Bernoulli’s Principle, the faster moving air across the top of the blade creates less pressure than the slower moving air on the bottom of the blade. As air approaches the blade’s leading edge, the stream splits and travels above and below the blade. Airfoil impellers have a round leading edge, a sharp trailing edge, and in profile or cross section, look similar to a teardrop that has been flattened on one side. Multi-Wing America’s airfoil impellers provide uniform, high volume airflow with low power consumption for optimum efficiency using the same aerodynamics that create flight. Airfoil fan blades provide efficiency and low noise using classic airfoil design
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