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  1. petrojelly

    Difference between forward and backward-swept axial fan blades ?

    Hi, I have been researching why most axial fan blades are forward swept like this picture: http://www.turbomoni.com/fan1.gif while there are very few with backward swept blades: http://www.turbomoni.com/fan4.gif One explanation I have found is that forward swept fans have less induced drag...
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