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MetroMPG

03-09-2015 01:19 PM

Solar Impulse airplane has begun its round-the-world flight

http://i.kinja-img.com/gawker-media/...rs4he40ed3.png

Quote:

After years of planning, the solar-powered airplane Solar Impulse 2 has successfully started its round the world trip. If everything goes to plan, it will become the first aircraft to fly around the globe without a single drop of fuel.

Via Jalopnik: Solar Impulse Has Successfully Started Its Round-the-World Trip

Daox	03-09-2015 01:23 PM

That is quite the impressive feat!

bhazard

03-09-2015 01:51 PM

It took me a bit to realize this is not an unmanned flight. It has to make something like 12 stops along the way.

user removed

03-09-2015 02:40 PM

get it into the jet stream and go 230 ground speed, 4.5 days and you're done.

regards
mech

Daox	03-09-2015 03:18 PM

Haha, it is only built to go about 88 mph. Its also making multiple stops for PR reasons. The trip is expected to take 5 months!

basjoos

03-09-2015 08:46 PM

Quote:

Originally Posted by Old Mechanic (Post 471037)

get it into the jet stream and go 230 ground speed, 4.5 days and you're done.

regards
mech

With that ultra low wing loading and light weight, it would want to stay well away from the jet streams and their associated clear air turbulence.

California98Civic

04-21-2016 01:46 PM

This seems like the right place for this update:
Solar Impulse 2 Takes Off From Hawaii, Resuming Flight After 9-Month Delay : The Two-Way : NPR

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