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Technology

Army heli-Weeble hops to avoid rubble trouble

By Paul Marks

16 September 2009

Video: Hopping helicopter

Âé¶¹´«Ã½. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

One giant leap for probe-kind

REMEMBER Weebles, the toy figures that famously wobbled but never fell down? Well, if you crossed one with a miniature helicopter you’d end up with something like the US army’s forthcoming reconnaissance craft: the hopping rotochute.

This self-righting probe is designed to travel deep into obstacle-ridden spaces such as caves and rubble-laden buildings to video what it finds. It is being developed for the Army Research Lab in Aberdeen, Maryland, by Eric Beyer and , a pair of robotics engineers at Georgia Institute of Technology in Atlanta.

The army wants this…

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