Ukraine’s propeller-driven battle drones have hit nearly 250 mph, surpassing Formula 1 speeds. Discover how ...

Mykhailo Fedorov said the drone was powered by a motor built in Ukraine. Its reported speed nearly rivals the fastest ...

Over the past few years, labels such as DJI have pushed drones into the mainstream. If you look closely, you'll notice that a majority of them have four propellers, while helicopters have fewer of ...

An MQ-9 Reaper drone crashed into the Mediterranean Sea last December after losing its propeller midflight, likely due to the failure of a ring necessary to secure the prop in place. (SrA Raya Feltner ...

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