FIG. 11D shows the cross-area D of FIGS. 10A, 10B, eleven having a leading edge DLE concave bend closer into the horizontal plane HP. Cross-portion D approaches a slight overall S curve condition with the trailing edge https://elodierjpr959645.blogkoo.com/ceiling-fan-with-dimmable-led-chandelier-and-remote-for-dummies-49876350