This Dragonfly Rockets Through the Sky on Plumes of Water

Rocket powered helicopters. Sounds like a ridiculous idea, doesn't it? That's exactly what the Dragonfly DF-1 is.

So how can such a device work? To start, you create the lightest-weight helicopter you possibly can. Lightweight materials and construction, no unnecessary parts. Then you attach rockets to the ends of the rotors; they provide the power that spins the rotors and allows flight. In addition to sounding unspeakably cool, the rocket powered design eliminates the need for an engine turning the rotors, which helps to increase the craft's stability. An extra-stable helicopter is a much easier to pilot helicopter.

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