Boeing 777x Archives – The Green Optimistic green tech news, since 2008 Tue, 19 Nov 2013 16:21:12 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Boeing 777x’s Folding Wings Make for Fuel Efficient Air Transport https://www.greenoptimistic.com/boeing-777x-folding-wings-make-fuel-efficient-air-transport-20131119/ https://www.greenoptimistic.com/boeing-777x-folding-wings-make-fuel-efficient-air-transport-20131119/#respond Tue, 19 Nov 2013 15:34:28 +0000 https://www.greenoptimistic.com/?p=43684 The long wingspan, up to 12 feet, of the wandering albatross makes for very fuel efficient flight, enabling the bird to soar great distances without expending much energy. Copying nature, aircraft designers seek to make their planes more fuel efficient by extending the wingspan. The Solar Impulse HB-SIA solar-powered plane, for example, takes this to […]

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