[pipcleo]

http://www.dezeen.com/2011/06/16/rotary ... -clarkson/

[Hervé]

cool site pipcleo... hehe

I found this very interesting too... not at first sight.. but after looking a bit more.. pretty clever.. back to human power...

http://www.dezeen.com/2010/11/23/r2b2-b ... h-thetard/