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General Science / Would it be possible to make a wind-powered aeroplane?
« on: 15/06/2010 07:02:11 »
I was looking at DIY wind turbines, and stumbled across this video : It got me thinking, could this work for an aeroplane? If an airfoil has a lift / drag ratio greater than 1, can it pull enough energy to drive the plane, overcoming the drag of the blade? I'm just thinking out loud, what do you reckon?