If you've ever looked closely at a jet engine fan on a commercial airplane, you'll have likely noticed spirals or swirls painted on the intake turbofans. There are a few different styles of these ...

Two defense experts on Saturday said that a broken fan blade from one engine hitting the other may be behind the crash of a AT-5 Yung Ying (勇鷹, “Brave Eagle”) trainer jet that suffered double engine ...

The two blades are independently articulated ... you might also want to deploy 'AirBlanket' mode, where the fan will expel a wide, horizontal jet of air, and do so quietly (kudos to whoever ...