Bulgaria's First New Plane in Decades Is a Freakishly Strong Drone
by Eric Adams from on (#3TKYM)
Brothers Svilen and Konstantin Rangelov are working on a drone they say will someday haul 800 pounds up to 1,550 miles.Brothers Svilen and Konstantin Rangelov are working on a drone they say will someday haul 800 pounds up to 1,550 miles.