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
OnyxStar XENA-8F coax foldable drone from AltiGator
On a helicopter, the main rotor or rotor system is the combination of several rotary wings with a control system, that generates the aerodynamic lift force that supports the weight of the helicopter,
A Bell AH-1 SuperCobra with a 2-bladed semirigid main rotor
NOTAR helicopter with a rotorless tail
Tail Rotor of a Sea Lynx, the smaller tail rotor counteracts the torque of the spinning main rotor in many designs, although there are other solutions to this, such as having two counter-rotating main rotors
Looking up at CH-53G, which has 6-blades on its main rotor