Take a look at the guys propellers (starting around half way through clip). I'm sure he has sound reasons why his propellers appear to flap around in every direction randomly, but despite this, consistent forward motion looks to be an elusive goal. To infinity and beyond!
http://www.theregister.co.uk/2008/09...adwind_defeat/
http://www.theregister.co.uk/2008/09...adwind_defeat/
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