A US Air Force civilian contractor was killed when she walked into a drone’s rotating propeller at a California airfield — after losing “situational awareness” while glued to a data recording device, ...

The rideshare company and Army Research Lab announced Tuesday they would collaborate on research exploring rotor technology that would make aircraft quieter and more efficient. The partnership would ...

New features for the industry-standard resistance and propulsion software, HydroComp's NavCad. Many contemporary marine vehicles are being outfitted with contra-rotating propellers (CRP), and naval ...

Precious Metal is a staple of the air racing community. The highly modified P-51's striking yellow and polished paint job and its contra-rotating propellers are features that make it stand out, but ...

Marine propulsion research & development company, Contrapel Ltd has released details of its new propulsion system for boats – the system set to make future boats more economical, manoeuvrable, safer, ...