The HydraJet is a unique hybrid of a hydroplane and airboat, unlike typical RC boats or hydrofoils. It is a fast and agile ...

The company has not revealed exactly how many blades it uses on its electric ducted fans, but Villa says it is “more than you would see on the turbofan of a [Boeing] 737.” The idea for an ...

Close, but not quite, since the rotor blades are fixed-pitch ... The monocopter is built around a 90-mm electric ducted fan mounted vertically on a 3D-printed shroud. The shroud serves as a ...

In the Dutch video after the break, he builds a transforming backpack with two electric ducted fans (EDFs), and takes to the bike paths. An EDF moves a small volume of air at high velocity, ...