Multirotor
Videos
A multirotor or multicopter is a rotorcraft with more than two lift-generating rotors separated horizontally. An advantage of multirotor aircraft is the simpler rotor mechanics required for flight con
DJI Phantom, a quadcopter
Hexacopter
OnyxStar XENA-8F coax foldable drone from AltiGator
De Bothezat helicopter
Videos
The de Bothezat helicopter, also known as the Jerome-de Bothezat Flying Octopus, was an experimental quadrotor helicopter built for the United States Army Air Service by George de Bothezat in the earl
Multirotor
…Most multirotors are small, with first-person view and battery power which limits their range, endurance, and payload. de Bothezat helicopter - an American four-rotor helicopter that first flew on December 18, 1922, and was used for military evaluation. Cierva Air Horse - a British three-rotor…
De Bothezat Quadrotor