Why the Boeing 777X Won't Have Engine Chevrons
(jalopnik.com)
You may have noticed them on certain planes when looking out the terminal windows — a kind of shark-toothed look on the back of some planes' engines. Commercial airplanes, outside of their livery, are designed for function, not aesthetics, so those shark teeth must serve some kind of purpose, right? In fact, they do: Called engine chevrons, they reduce jet engine noise, which can be pretty deafening.
You may have noticed them on certain planes when looking out the terminal windows — a kind of shark-toothed look on the back of some planes' engines. Commercial airplanes, outside of their livery, are designed for function, not aesthetics, so those shark teeth must serve some kind of purpose, right? In fact, they do: Called engine chevrons, they reduce jet engine noise, which can be pretty deafening.