The last time we heard from the UK's AltoVolo, it only had renders of its grand vision for a sportscar equivalent of an eVTOL ...

Designed by Northrop Grumman and subsidiary Scaled Composites, the unmanned XRQ-73 features an ultra-quiet propulsion system ...

AltoVolo just flew a prototype of the Sigma. The hybrid VTOL aircraft can fly 500 miles, hit 220 mph, and makes 80 percent ...

Initially, AltoVolo tried to tie the hybrid powertrain to electric ducted fans and closed rotors, not the usual open rotors, ...

Vertical’s most advanced full-scale prototype is key step towards certification of aircraft. 60% of this prototype’s technology is from Vertical’s strategic aerospace partners GKN Aerospace, Hanwha, ...

Phase 1 included tethered flights, ground taxi testing and high-powered ground runs, all with a pilot on board. Vertical is now preparing to progress to piloted untethered thrustborne testing, as soon ...

In a first, the Air Force is asking Congress to fund the purchase of Collaborative Combat Aircraft, marking the beginning of ...

US air taxi developer Eve Mobility revealed on 21 July the first full-scale prototype of its electric vertical take-off and landing (eVTOL) aircraft, a remotely operated variant the company is pushing ...

Add Yahoo as a preferred source to see more of our stories on Google. Two prototypes for China's future stealth strike fighter took the skies in broad daylight. Both appear to be advanced flying wing ...

Fast-tracking the hypersonic era, Hermeus has rolled out the next prototype of its program, to create a family of aircraft that can fly beyond Mach 5. The Quarterhorse Mk 1 is set to fly later this ...

Two prototypes for China's future stealth strike fighter took the skies in broad daylight. Both appear to be advanced flying wing designs useful for attack missions. China watchers buzzed about the ...