The New Fastest Helicopter on Earth Can Fly at an Insane 300MPH

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Most helicopters are built for hovering, not for speed. But the Eurocopter X3 is built for both. The demonstrator tilt-rotor aircraft proved as much when it set a pair of air speed records earlier this month. Read more…        

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The New Fastest Helicopter on Earth Can Fly at an Insane 300MPH

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