A plane mechanic has finally explained the viral video of “duct tape” on an airliner jet engine — and revealed what it’s really used for. “We looked out of our window and saw this ...

However, a touch of the start button, and the 6.2-liter V8 engine comes to life, roaring as if it missed the road. So, despite looking like it came out of the crusher, the C8 Corvette still has ...

"We looked out of our window and saw this," the caption reads on the original video, which zooms in on a fin-like structure on the engine to show what looks like several strips of duct tape.