That's what I thought too, but they claim to have the ability to detach the engines from the fans, and then glide, albeit with a terrible glide ratio:...Second, as the lift mechanism has no ability to either glide or autorotate an engine failure would have rather permenant consequences.
I know that UAV is quite the buzz word these days but when does a R/C aircraft become a UAV?
Basically when it gets an autopilot so that an operator doesn't have to concentrate on keeping wings level, holding heading, etc. Ideally, a UAV shouldn't need any operator attention from takeoff through landing.I know that UAV is quite the buzz word these days but when does a R/C aircraft become a UAV?