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Drone racing

Sport where participants control drones

  • 13 min read
  • 8 chapters

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Through Quadcopter, Image and Germany

Technology

FPV (first-person view) camera means pilots see only what the drone sees. This is accomplished by live streaming footage from a camera mounted on the drone's nose. The image is transmitted as analog video or digital video (typically 2.4 GHz or 5.8 GHz frequency, 1.3 GHz for distant transmission) to goggles or a monitor worn by the pilot. The remote control, drone, and goggles are all connected via radio and must transmit with sufficient speed and reliability to allow effective control.

FPV goggles on the market range from $40 to $800, with the more expensive goggles offering more and better features. Some of these features include receiver diversity, digital HD video, head tracking, multiple frequency settings, band settings, and DVR (digital video recorder) recording functionality. Digital video systems come at a higher cost than their analog counterparts. They generally offer much better image quality, lower latency in some systems, and are now becoming much more commonplace.

While the pilot always requires goggles, some drone racing organizations insist they should also be used by spectators, simply switching the frequency to the channel of the racer the spectator wants to watch. Any drone could be used to race; however, competitive FPV racing leagues require drones to meet certain standards such as video transmission power limits to ensure all competitors get stable signal and safety requirements like failsafe disarming (stopping all motors instantly when connection to the pilot is lost.

For competitions, aircraft are typically separated into classes, categorizing them by propeller or wheel base size and power. With small indoor ducted drones called Tiny Whoops creating their own sub category. MultiGP Drone Racing has created a full definition of Race Class Specifications for racing drones to make the competition fair.

The Drone Racing League (DRL) makes all of the drones used in its events in-house; pilots are supplied with drones, backup drones, and parts by the league itself, not independently. This means that you only need sufficient knowledge to professionally race.

Specification (spec) racing is when all competitors are required to fly equal performing drones. This is done by requiring outlined battery, ESC, motor, propeller and flight controller firmware. These races are designed to challenge the pilots based on skill alone, and drones are typically much slower than open class racing.

DR1 Racing utilizes an open-specification class format that relies on each team in the series to supply their own drones, goggles, and gear. Recently, they added the Pro-Class racing drone, which is currently the largest competitive drone racing format in the world.

Racing drones are designed for speed and agility, as opposed to photography and video drones which are focused more on hovering and stable filming. A photography quadcopter design will typically have four motors configured in an X-pattern, all equally spaced apart. A racing model will typically have its four motors configured in an H-pattern configured to thrust the drone forward, not up. Another specific characteristic of drone racing is the number of propellers’ blades. 3-blade or 4-blade (instead of 2-blade) propellers have a shorter diameter, allowing for a smaller frame with increased acceleration and maneuverability capabilities. Because of their light weight and electric motors with large amounts of torque, drones can accelerate and maneuver with great speed and agility. This makes for very sensitive controls and requires a pilot with a quick reaction time and a steady hand. Racing drones also have their cameras situated at the front of the drone, since the drone always flies forwards and the pilot needs to be able to navigate. Photography drones usually have high-quality cameras situated on the front or bottom of the drone body with a gimbal, which allows the drone to film from multiple angles while hovering, as well as stabilizing the footage for video. The gimbal automatically rotates to smooth out the faster movements of the photography drone when compensating for wind or control inputs to deliver smooth video in all but the heaviest wind or emergency maneuvers.

BMW held the Drone Racing League's 2018 Semi-Finals race at their automobile museum, the BMW Welt, in Munich, Germany, and sold out the event.

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