The idea of a wind-powered vehicle that can be used to explore the surface of Mars -- called a tumbleweed rover because it would roll over the surface of Mars like a tumbleweed -- has been kicked around for about a decade, but so far there has been no consensus on exactly what the vehicle should look like. Now researchers from North Carolina State University in Raleigh said they've developed a computer model that allows engineers to test the attributes of different tumbleweed vehicle designs.
Tumble Rover Jean Thilmany Mechanical Engineering; Sep 2010; 132, 9; Docstoc pg. 16 Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.
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