High End Drones

From 30 to 1400 euros: All about recreational drones

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The recreational drones are out of ultraspecialized boutiques to reach the supermarket shelves. There are now in a ultralight price, for only 25 € . Obviously, the more we progress, the more we burn to take control of a more powerful drone, faster. Prices can then climb up to impressive sums, and the arrival of Mi Drone Xiaomi, which promised a floor price has not changed the situation on the middle of drones and upscale.
But a drone, what is it after all? These devices, which are the heirs of radiomodélisme allow to take pleasure in driving, period. But it is mainly sports GoPro cameras type which gave them a new world, that of aerial photographs. Imagine your vacation photos shootées from the air, from a new angle. And you dronies these selfies made since a drone!

Our Favorite

Before purchasing a large format drone to shoot stunning images from the air, better acquire good driving reflexes with a reasonable sized device. Our selection is based on these criteria: a drone Small learning to fly, and a capable platform for video that is ideal for a vacation or to film beautiful landscapes …

This selection will soon be questioned, especially with the imminent commercialization of the Karma GoPro, the Breeze of Yuneec and Mavic Pro of DJI. They are intended to create beautiful aerial images while being much easier to transport than conventional machines. The tests are coming soon.

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Which size?

According to Digopaul, smaller drone measuring 5 cm square and weigh a few dozen grams. Their remote control, however, is larger than them! They look like two peas in children’s toys. But he did no mistake: these are real flying machines that react as large. They prove even more difficult to control , since onboard electronics is less effective. The material is thought to economics-weight, mainly: the mini-drones based small engines called “brushed” light, but short-lived (about 200 flights), and low capacity batteries. The onboard electronics are made of a single card that combines the sensors-accelerometer, gyroscope-and functions-stabilization, receiving flight orders.

With drones of ten centimeters square, it is possible to embed a camera from a few grams on board. The quality is poor, but it allows to enjoy a new angle of view and keep track of all flights!
From 25 cm, drones are equipped with more powerful engines, so-called “brushless”. They allow to place a heavier load , which can be a battery powerful, a camera GoPro type or set camera + video transmitter for immersion flights. These engines need to be managed by electronic circuits, which are called ESC (Electronic Speed Control).
In climbing again in size, and sometimes adding several additional engines for a total of 6 or 8, it is possible to bring a better camera or an SLR camera , and taking several batteries to increase the duration of flight.

A drone, it is controlled how?

There are four ways to control the flight of a multirotor:

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  • The first is aremote control, this is the most conventional tool inherited radiomodélisme. She usually works in 2.4 GHz with frequency hopping technology to avoid interference without worrying about which channel is transmitted. Remote controls 2.4 GHz are at a distance varying between 20 meters for toddlers models and 500 meters for the most impressive drones. Note that some radio controls are the standard 5.8 GHz to avoid conflicts with wireless cameras (2.4 GHz).
  • The second method is thecontrol with the help of a smartphone or tablet via Wi-Fi. It is the French manufacturer Parrot that has developed with its Drone. Its advantage? Everyone (or almost) has a smartphone and knows how to use with ease. The inconvenients? The steering is vague and wireless door very short, less than 70 meters. Please note, some manufacturers datasheets indicate ranges of 100 meters, sometimes much more, Wi-Fi. Please note that these values are very optimistic, and that the slightest obstacle or parasite is fatal to the connection.
    But then what’s happening when you lose the connection with the remote control or smartphone? On most devices, a device called “Failsafe” automatically cuts the engine to the drone does not take to sea. The most advanced models have a GPS, can be programmed to land there where they are or automatically return to their starting point. A technology called the RTH (Return To Home).
  • The third method to control a drone is the programming of the flight. Only recent and devices equipped with a GPS are able to offer this feature. In practice, the programming software displays a satellite map like Google Earth. Just indicate the crossing points on the screen, the height of each of them, so that the flight is automatic.
  • The fourth function is the “Follow me.” The principle is simple: the device is programmed to follow you-or precede you in your next trip to the track. Ideal to shoot himself during sports! Technically, you are equipped with a device able to determine your GPS position in real time and communicate wirelessly to the drone, a smartphone or GPS bracelet. Another method is based on pattern recognition via the camera on board. The “Follow me” is still in its infancy: it does not always work very well, it rarely takes into account the difference in height-imagine yourself climbing a hill with the drone that follows you at the same altitude, the crash is inevitable. If the drone is devoid of crash sensor, care must be taken that no obstacles are on the way multirotor… Actually, you have to be careful even when fitted, because the detection and avoidance obstacles is a technology still far from being effective.

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