When I was purchasing my third helicopter, I remember hearing about vortex remote control helicopters, but having no idea what type they were.  For instance, what exactly is a vortex, anyway?  In essence, a vortex is an instrument that spins something to create a vortex of wind or liquid, which is basically in the shape of a tornado.  If you’ve ever done the hurricane experiment with a two liter bottle of soda, then you’ve made a vortex.
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