George de Bothezat
Videos
George de Bothezat was a Romanian-Russian American engineer, businessman, and pioneer of helicopter flight.
De Bothezat in 1905
The de Bothezat helicopter.
Quadcopter
Videos
A quadcopter, also called quadrocopter, or quadrotor is a type of helicopter or multicopter that has four rotors.
George de Bothezat
…Massachusetts Institute of Technology and the Columbia University. In 1921, the US Army Air Service hired de Bothezat to build a prototype helicopter. The quadrotor helicopter, known simply as the de Bothezat helicopter, was built by de Bothezat and Ivan Jerome in the hangars of Wright Field near Dayton, Ohio. The first flight…
A DJI Phantom quadcopter drone in flight
Typical racing quadcopter with carbon fiber frame and FPV camera
Quadcopter coaxial – OnyxStar FOX-C8 XT Observer from AltiGator
de Bothezat helicopter, 1923 photo