Whisper Aero, a Tennessee start-up, spent the last two years developing a propulsion system that it says is quieter and more efficient than any other. Now it has finally revealed part of its secret: ...

A Norwegian start-up is hoping its small electric-powered ducted-fan engine for unmanned air vehicles (UAVs) can spearhead a move up the weight class into commercial aviation applications.

The UK’s Inception project is developing an integrated electric ducted fan for eVTOL and other aircraft. Credit: Greenjets/BlueBear Systems A key element of a novel electric propulsion demonstrator ...

A conceptual image of the XRQ-73 SHEPARD, another AFRL-involved hybrid-electric UAV. (DARPA) The US Air Force Research Laboratory (AFRL) awarded General Atomics Aeronautical Systems Inc (GA-ASI) a ...

Liquid hydrogen and high-temperature fuel cells power tilting ducted fans on the VTOL Sirius Jet. Credit: Sirius Aircraft Swiss startup Sirius Aviation has revealed its concept for a hydrogen-electric ...

China is reportedly engineering a new type of aircraft that doubles as a stealth fighter jet, capable of detaching its wings to utilize it as a pair of drones mid-air. Currently, neither a designation ...