[Mech Ninja] discovered this while developing a ducted fan based around an RC motor. The ducted fan is meant to be a stand-in for a model jet engine, based around a high-powered motor generally ...

[Mech Ninja] discovered this while developing a ducted fan based around an RC motor. The ducted fan is meant to be a stand-in for a model jet engine, based around a high-powered motor generally ...

Urban Aeronautics has completed initial windtunnel tests of a newly disclosed 250kt (465km/h)-capable cargo variant of its Mule ducted-fan unmanned ... shows that the aircraft is capable of ...