An Interesting New Design

[FlyGirl]

I don't think I've ever seen a configuration like this.... Wouldn't it be less stable?

http://www.popsci.com/article/technology/watch-robot-ride-hovercycle?src=SOC&dom=fb

 

[Benjamin Kenobi]

I like it. The overlap makes sense since most of the lift is generated by the first third of the blade ( I think).