Rocket powered Dragonfly DF1 helicopter cleared for take-off

The Dragonfly DF1 is a helicopter that uses rockets attached to the tips of its blades to power it instead of a conventional fixed motor attached to the body. The rockets produce no pollution and are fueled by 70 percent hydrogen peroxide (H202) supplied by a pair if fuel tanks surrounding the pilot’s seat. They are capable of propelling the DF1 to a top speed of 185 km/h (115 mph) and can send the craft climbing to a ceiling of 4,000m (2.485 miles) at a rate of 700 m (2,300 ft) a minute.

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