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Israeli developed electric plane takes off

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Brain child of Israeli engineers, Elis said to be able to fly 830 km (515 miles) at speeds of up to 460 kmph (286 miles per hour), sufficient for most local U.S. flights with maintenance costs expected to be lower than existing aircraft (www.ynetnews.com) 更多...

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REGENT Seaglider Achieves First Flight

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This is a quarter-scale demonstrator of a float, foil, fly technology. It's explained in this Twitter thread: https://twitter.com/billythalheim[er/status/1572556301762449410 but the basic idea is that it's a seaplane with a hydrofoil to achieve stable flight, and forced lift with distributed electric propellers. Once in the air it uses ground effect for economy of operation. If you run out of electricity, you just land on the water. Sure, you're stranded, but at least you're… (vimeo.com) 更多...

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