Manned 54 propeller multi copter takes flight. Each electric motor appears to be powered by its own separate battery.
http://techcrunch.com/2015/08/31/watch-this-guy-fly-in-a-54-propeller-super-drone/
Manned 54 propeller multi copter takes flight. Each electric motor appears to be powered by its own separate battery.
http://techcrunch.com/2015/08/31/watch-this-guy-fly-in-a-54-propeller-super-drone/