quadcopter
Sign in to saveAlso known as quadrocopter, quadrotor helicopter, quadrotor
thumb|A DJI (company)|DJI Phantom quadcopter drone in flight thumb|Typical drone racing|racing quadcopter with carbon fiber frame and FPV camera A quadcopter, also called quadrocopter, or quadrotor is a type of helicopter or multicopter that has four rotors.
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- Quadrotors
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~13 min read
Article
20 sectionsContents
- Design principles
- Torque
- Vortex ring state
- Mechanical structure
- Coaxial rotors
- Operations
- Autonomous flight
- Records
- Endurance
- Speed
- History
- Pioneers
- Postwar era
- Current developments
- Drones
- Military use
- Criminal activity
- See also
- References
- External links
thumb|A DJI (company)|DJI Phantom quadcopter drone in flight thumb|Typical drone racing|racing quadcopter with carbon fiber frame and FPV camera A quadcopter, also called quadrocopter, or quadrotor is a type of helicopter or multicopter that has four rotors.
Although quadrotor helicopters and convertiplanes have long been flown experimentally, the configuration remained a curiosity until the arrival of the modern unmanned aerial vehicle or drone. The small size and low inertia of drones allows use of a particularly simple flight control system, which has greatly increased the practicality of the small quadrotor in this application.