I will explain to you how a drone works in this article. Because there are many different types of drones, I will limit myself to the multirotor. On a drone, the only control surfaces are the propeller blades themselves. If the drone only flies in the air without moving itself (hovered), all propellers rotate at almost the same speed. To ensure that it does not rotate on its own axis, the motors rotate in opposite directions.
As soon as the propellers change in rotation speed relative to each other, the drone will move in the direction where the propellers rotate the slowest. With a drone it does not matter in which direction this happens, so you can fly a drone in any direction you want. So you could actually say that it has no front or back. This fact ensures that it is quite easy to fly compared to a regular helicopter or airplane.
The flight controller is the heart of a drone. The flight controller processes all the data it receives. These include the pilot's input, location via GPS, air pressure and, most importantly, the data from the gyroscopes. All this data is translated by the motor controllers (ESCs) at a speed of up to 1000 times per second into the speeds that the motors must rotate. As soon as the flight controller does not receive any input from the pilot, it uses all sensors to ensure that the drone remains in place and maintains the same flying altitude.
Most drones are equipped with a GPS module. Thanks to this module, most drones can determine and maintain their location with meter accuracy. With a GPS on board the drone it is also possible to program locations prior to a flight. These are also called waypoints. The drone can perform fully authorized flights.
The GPS function is also used by the drones to ensure safety. Because a drone remembers its starting position before departure, the drone will also return automatically if problems arise such as a low battery, or if the pilot becomes unwell and the failsafe (coming home) button is pressed.
From all well-known drone brands DJI Innovations the best-selling brand. In recent years, the quality and reliability of DJI drones have made great strides forward. Some professional drones from DJI are equipped with double flight controllers, 2 flight batteries and various distance sensors. All these extra features ensure that these multirotors are one of the safest commercial drones. The type that we use to make most aerial recordings is also equipped with all these safety measures. Here you will find the latest version of the DJI Inspire 3, which has been on the market since 2023.
Fixed Wing Drones:
Single-engine Airplane Drones:
Blimps and Hot Air Balloon Drones:
Flying Wing Drones:
In 1907, the world's very first quadcopter was developed by inventor brothers Jacques and Louis Bréguet, in collaboration with the controversial Nobel Prize winner Professor Charles Richet. While undoubtedly exciting, it suffered from some significant limitations, including a lack of controllability, the need for four men to keep it stable, and an initial flight that reached only two feet above the ground. Nevertheless, this creation did contribute to the innovation of the quadcopter form factor as we know it today.
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