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Wind-Powered "Greenbird" Seeks Land-Speed Record

Posted by timothy on from the beautiful-pictures-too dept.

Mike writes with this tantalizing excerpt: "Dale Vince of Ecotricity and engineer Richard Jenkins are setting up on the salt flats at Lake LeFroy in Western Australia, hoping to catch the right breeze and break the wind-powered landspeed record of 116.7 mph in their sleek wind-powered vehicle, the Greenbird."

1 of 38 comments (clear)

  1. 3-5 times actual wind speed? by fishybell · · Score: -1, Redundant

    TFA says that they are able to attain speeds 3-5 times the wind speed at the ground. I know with tacking you can move against the wind, but how do you go faster than the wind? As always, the article is low on technical details, anyone know how this is possible?

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