The Autopian on MSN
The biggest-rotor helicopter in the world could lift over 10,000 pounds and be heard from eight miles away
Helicopters come in all sorts of weird shapes and sizes. In the early days of mass-produced helicopters in the 1940s and ...
Most people think a powerless helicopter drops straight out of the sky. In reality, it autorotates—using free-spinning blades that act like a giant air brake, much like a maple seed. This breakdown ...
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