We’ll just go with “monocopter” for now and sort out the details later for this ducted-fan, thrust-vectored UAV. Whatever we choose to call it — builder [tesla500] dubbed it the ...

The ducted fan is meant to be a stand-in for a model ... but in order to improve the efficiency and thrust beyond simple ducting, [Mech Ninja] designed and built a variable nozzle to more finely ...