Buriram Expats
Buriram Province - General Category => Riddles, puzzles and brain teasers, Music, ENTERTAINMENT!!! => Topic started by: Mod on October 18, 2012, 04:52:40 PM
-
Human-Powered Helicopters
It's difficult to build a working four-rotor helicopter that spans 100 feet and only weighs 80 pounds. It's even harder when your engine is a 0.7-horsepower person. But one team of engineering students is trying to do just that.
See video : http://vimeo.com/51320244
read more : http://www.npr.org/2012/10/14/160670295/flight-club-human-powered-helicopter
They're Fantastic!! cool1