seeing part of the vid....

it looks as if he has incorporated the main assemblies of two ordinary rc helis into one, sandwitched it is more like it, and it apears that it work quite well.




P.S. if you listen very closley you can hear his wife tell him, "your gona get your self hurt with that thing, why don't you just, arrgggg." LOL i don't think she is very happy with him.