There’s a reason we’ve seen a menagerie of quadcopters over the past few ... can be built out of a quartet of those cheap 3-channel helicopter toys. Most of the lift for [Starlino]’s ...

just like the tail rotor of a real helicopter. The result is a quadcopter that can fly upside-down with the greatest of ease, perform barrel rolls, and all the other maneuver a true 3D RC ...