![Straight fan blades of first generation GE90 found on 777-200/ER vs Curved fan blades of second generation GE90 found on 777-200LR/300ER/F. : r/aviation Straight fan blades of first generation GE90 found on 777-200/ER vs Curved fan blades of second generation GE90 found on 777-200LR/300ER/F. : r/aviation](https://preview.redd.it/2hfik5jlrt071.jpg?width=1080&crop=smart&auto=webp&s=e9916d622e840e601cad06a4564274c8752f60e4)
Straight fan blades of first generation GE90 found on 777-200/ER vs Curved fan blades of second generation GE90 found on 777-200LR/300ER/F. : r/aviation
Why do ceiling fans have blades that are completely straight? If the point is to move more air around, shouldn't they be more tilted? - Quora
![Simulated impellers with eight curved blades (left) and eight straight... | Download Scientific Diagram Simulated impellers with eight curved blades (left) and eight straight... | Download Scientific Diagram](https://www.researchgate.net/publication/258631705/figure/fig1/AS:1132492811714561@1647018735730/Simulated-impellers-with-eight-curved-blades-left-and-eight-straight-blades-right-a.jpg)