It's worth pointing out that a quadcopter is LESS stable than an equivalent regular helicopter (and I'll explain why in a sec), and is also LESS efficient than an equivalent regular helicopter.

The FPV measures about 4.5 inches (114 mm) diagonally, looks beautiful, and feels nice and solid in hand. One charge of its 3.7-volt 380-mAh lithium polymer battery takes about 30 minutes via an ...

DIY-er [Russell] wanted a quadcopter, and like many people out there, he knew the satisfaction that would come from building it himself. Rather than purchase a kit or follow a set of online ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. It’s not hard to imagine how a small drone, like a quadcopter with ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. On December 1, the Army announced that the 3rd Battalion, 75th Army ...

A quadcopter drone equipped with an AI brain whipped its way around an indoor race course in a matter of seconds. In 15 out of 25 races it was able to beat its human rival, according to research ...