From the latest pic[0], it looks like the AeroVelo Atlas[1]. Some details on their design can be found on their site[2], although the info looks to be from 2012

From the latest pic[0], it looks like the AeroVelo Atlas[1]. Some details on their design can be found on their site[2], although the info looks to be from 2012. [0] https://twitter.com/AeroVelo/status/345219802262036481/photo/1 https://twitter.com/AeroVelo/status/345219802262036481/photo... [1] http://www.youtube.com/watch?v=jcFyor9Gl0Q http://www.youtube.com/watch?v=jcFyor9Gl0Q [2] http://www.aerovelo.com/projects/helicopter/tech-info/ http://www.aerovelo.com/projects/helicopter/tech-info/