An interesting site for engineering news. This is a video interview with Segway showing some new hardware including a mecanum platform and a scientific platform...
http://engineeringtv.com/blogs/etv/a...platforms.aspx
This is a video of the Galileo wheel, a wheel design that expands into a tractor tread for climbing objects.
http://engineeringtv.com/blogs/etv/a...leo-wheel.aspx
It is interesting to note that the mecanum Segway has four, 72 volt 5.4 amp hour battery packs.
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