Combustion Engined Quadcopter

A German company airstier is building a quadcopter powered by a combustion engine, rather than batteries. The firm has launched a Kickstarter bid for yeair, a quadcopter driven by combustion engines that has a top speed of 100 km/h (62 mph), which can stay airborne for up to 60 minutes and carry up to 5kg in weight. These […]

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