So, you may find yourself watching a video of or hearing about these miniature flying helicopter-like things… and you may ask...
What is a quadcopter?
Quadcopters oftentimes are referred to by different names, including: quadrocopter, quadrotor, quad copter, quad-copter, quadrokopter, UAV, UAS, or drone.
A quadcopter is multi-rotor copter with four arms, each of which have a motor and a propeller at their ends. Quadcopters are similar to helicopters in some ways, though their lift and thrust comes from four propellers, rather than just one. Also, helicopters have a “pitch” or tail rotor that helps stabilize the craft, whereas quadcopters do not. In a quadcopter, two of the propellers spin in one direction (clockwise) and the other two spin the opposite direction (counterclockwise) and this enables the machine to hover in a stable formation.
There are a wide range of quadcopters out there – from the $40 mini or micro-quadcopters, to moderately priced models with integrated HD video capabilities, to multi-thousand dollar professional rigs.
Applications.