Originally Posted by vstol
It really has flown
In this case "flown" = hover IGE. The qualm is that its being so loudly touted by AW despite it not even having demonstrated a transition or conversion, the precise reason for the existence of any tiltrotor. A subscale UAV model (read: RC helicopter) of what is already a subscale demonstrator doesnt cut the proverbial mustard.
It would seem prudent to wait until successful flight testing was complete having flown something approaching an actual tiltrotor flight envelope to bandy it about as such a "successful design exercise".
My suspicion is that there have been numerous not-insignificant issues with the design.