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 ...

Urban Aeronautics has completed initial windtunnel tests of a newly disclosed 250kt (465km/h)-capable cargo variant of its Mule ducted-fan unmanned air vehicle. Powered by a 1,600shp (1,1190kW)-class ...

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 ...

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, ...