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Almost Homemade Rocket Helicopter
The Swisscopter Dragonfly is a small helicopter with rocket engines on the ends of its rotors blades to make them spin.
The copter makes use of tiny hydrogen-peroxide-powered rocket motors on the tips of the blades, which replaces the traditional engine-powered rotor. Large fuel tanks surrounding the pilot allow the Dragonfly to travel at up to 40 mph for 50 minutes.
Video after the jump.
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