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Solar Impulse Plane Begins First Sun-Powered Flight Around The World

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http://www.independent.co.uk/life-style/gadgets-and-tech/news/solar-impulse-plane-begins-first-sunpowered-flight-around-the-world-10095255.html

Two Swiss pilots began the first ever attempt to fly around the world in a solar-powered plane this morning.

André Borschberg and Bertrand Piccard, the founders of the project, will take it in turns to fly the plane during the five-month long project. Each flight will last five or six days, with the two pilots swapping when the plane stops to be maintained.

The plane set off from Abu Dhabi this morning and will head around the world before coming back to the Gulf in late July or August.

But it’s far from just a demonstration of solar power technology – the plane and its journey hopes to serve as a demonstration of the possibilities of a clean flight.

Solar Impulse in numbers:

Solar cells: 17,248, all built into the wing
Batteries: 4, made of lithium-ion
Wingspan: 72 meters (236 feet), wider than a Boeing 747
Weight: 5,070-lb, about the weight of a car
Speed: 25 knots, or 28 mph, is the best speed according to the pilots
Naps: 12 for every 24 hours
Gallons of fuel: 0

It appears each nap will be for 20 mins!!! Not sure how that will work after several days of sleep deprivation.

And they'll be doing yoga to exercise.

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http://www.independent.co.uk/life-style/gadgets-and-tech/news/solar-impulse-plane-begins-first-sunpowered-flight-around-the-world-10095255.html

It appears each nap will be for 20 mins!!! Not sure how that will work after several days of sleep deprivation.

And they'll be doing yoga to exercise.

Not uncommon to do the same in yacht races either. After a while you do get used to it - especially if there's plenty to do. Not sure it'll be so easy on the plane while flying over long stretches of essentially the same looking stuff.

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