Posted on May 1st, 2018
A wing is a type of fin with a surface that produces lift for flight or propulsion through the atmosphere, or through another gaseous or liquid fluid. As such, wings have an airfoil shape, a streamlined cross-sectional shape producing a useful lift to drag ratio. The word “wing” from the Old Norse vængr for many centuries referred mainly to the foremost limbs of birds (in addition to the architectural aisle.