Sep 04 2009
Human-Powered Helicopter
This is amazing. You’ll need a very large hangar and a VERY light breeze… I’m thinking 0.01 knots or less.
http://www.wired.com/autopia/2009/09/human-powered-helicopter/
Sep 04 2009
This is amazing. You’ll need a very large hangar and a VERY light breeze… I’m thinking 0.01 knots or less.
http://www.wired.com/autopia/2009/09/human-powered-helicopter/