This is interesting. This is being done by the guy that created Flite Test so it's real. I bumped into this on Hack-A-Day and then went to the movie site. Hack-A-Day: http://hackaday.com/2014/09/17/rotor-dr1-and-collaborative-development/#more-132783 Movie Site: http://www.rotordr1.com/ (Click on the videos) ...Tiger Note: It's more interesting to go to these sites so I'm NOT posting video's here intentionally!