History is full of DIY flying machines, including the occasional Joe who ties a bunch of helium balloons to his lawn chair.
So it was only a matter of time before someone would figure out the number of drone propellers it would take to put a man in the air The answer is 54.
A British man may have made the first manned drone flight, if there can be such a category, when he fastened a 54 rotors from quadcopters to make a personal helicopter he dubbed the Swarm.

