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 ...
BGR

Would Helicopters Work On Mars? This Study Has A Theory For Making One

Helicopters on Mars may sound like something from a science fiction novel — or perhaps just a typical "Doctor Who" episode. But actually, they're not fully confined to the world of sci-fi; after all, ...