After 26 plus years of USAF air traffic control and 4 years of FAA air traffic control, I would guess that it was aerodynamically neutral (at best) or unstable.
Here, read this:
It’s hard enough to get a “flying wing” aircraft to be stable with fly by wire, that thing looks like a decommissioned old crop duster that someone took and wrapped a swimming pool cover over the wings to make it look “cool”.
For sale. One semi-circular death machine, never used. Inquire within...
