Watching first-person footage of racing drones makes it seem like the tiny craft fly somewhere close to the speed of light.
In a statement to the media, Nicholas Horbaczewski, DRL's chief executive officer, said: "The record-setting RacerX represents the culmination of years of technological innovation by our team of world class engineers, and we're very excited to unveil the fastest racing drone on earth".
Sadly, the Racer X won't be the aircraft used in the Drone Racing League's World Championship events.
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Weighing just 800 grams (1.76lb), the RacerX offers 46,000RPM and has two 1300mAh batteries. The drone actually reached a top speed of 179.6 miles per hour (289 km/h), but the official figure is measured as an average top speed of two flights, as the drone zips back and forth across a 100-m (328-ft) course. The official result of that completed run was 163.5 miles per hour.
The test was done in a field outside of New York City - with an official Guinness World Records adjudicator on hand to verify the speed.
The drone used to set the record isn't the same one used in races.
The folks behind the Drone Racing League have built a drone capable of a top speed of 179.6mph. Case in point - during one of the trials a prototype RacerX set on fire while hitting the highest point of acceleration due to the batteries overheating, something that obviously can't happen during real races.