|Nymbus and eVader 6D on display at Ottawa's Aviation and Space Museum, 2012
|Only two rigid, non-cyclic propellers are required for
hover if they are treated as CMGs (control moment
gyroscopes) and momentum wheels.
The new control moments produced are independent of
distances to the aircraft center of mass, and, of course,
are independent of the atmosphere. Yes, they can fully
control an aircraft about all three axes in outer space,
which translates to exceptional maneuverability and gust
resistance here on earth.