The XF-84H was an ambitious project to reverse-engineer a jet-powered F-84 into a prop-driven aircraft capable of achieving ...

The plane smoothly accelerated to a cruising altitude of 35,000 feet and a speed of 460 miles per hour, more than 100 miles per hour faster than the fastest propeller-driven airliner. Suddenly ...

Aircraft maker Bombardier says it is close to finalizing assembly of the first Global 8000 business jet, the fastest civilian ...

A schematic of the propulsion system. Airbus The aircraft’s four propellers each have a fuel-cell stack powering an electric motor. Airbus has completed a similar 1.2-megawatt system ...