We have covered plenty of cool quadcopters and drones here in the past. Have you ever wondered how fast they can ascend to 100 meters? Dirk Brunner has managed to build a quadcopter that can ascend 100 meters in 3.871 seconds. As Guinness World Records explains, this is already a world record:
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Fastest 100 m ascent by a quadcopter - Guinness World Records
The above video provides more information on this attempt.
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