Multi-rotor fixed-pitch aircraft – quad, hexa, octa copters – are the current flavor of the season with hobby and amateur flight enthusiasts. The serious aero-modeling folks prefer their ...

Any student new to the principles of fluid dynamics will be familiar with Bernoulli’s principle and the Venturi effect, where the speed of a liquid or gas increases when the size of the conduit it ...

September 7, 2005 BAE Systems has achieved its first autonomous, untethered flight of its third-generation ducted-fan unmanned aerial vehicle. The company's vertical takeoff and landing (VTOL) air ...

A Denver-based start-up has raised $10 million in equity “crowdfunding” to help develop a ducted-fan powered, fixed-wing business aircraft called the TriFan 600. XTI began a crowdfunding campaign on ...

In January of this year, the Air Mule took its first flight: a short, wobbly hop from the side of a parking lot to a space a modest distance away. On Tuesday, Air Mule makers Urban Aeronautics ...

PARIS, Feb 12 (Reuters) - French-US jet engine maker CFM is studying a more conventional "advanced ducted" engine design alongside its preferred option for a radical open-fan concept for future jets, ...