For years, the Boeing 737 was one of the most reliable and trusted aircraft in the world. A workhorse used by many operators ...

A tilt-up garage door is one large panel with a sturdy internal frame instead of several panels. When it opens, it tilts or swings outward, moving on pivoting hinges that are located around the ...

But this build does it with just two propellers. It’s a tiltrotor build which allows the two upward-pointing propellers to tilt forward and backward. The real world equivalent of this UAV design ...