Hella Infratech on Twitter: "𝗗𝗲𝗰𝗼𝗱𝗶𝗻𝗴 𝘁𝗵𝗲 𝗗𝗿𝗼𝗻𝗲𝘀. A single-rotor helicopter has the benefit of much greater efficiency over a multi-rotor, and also that they can be powered by a gas motor for
An electric, single-rotor flying saucer concept for 360-degree surveillance - The Globe and Mail
Single-Rotor Drone: A Thrust-Vectoring Monocopter | Hackaday
A Guide To The Different Types of Drones & UAS - Everglades University
14 Different Types of Drones Explained with Photos - Aero Corner