When it comes to seaborne propulsion, one simple layout has largely dominated over all others. You pair some kind of engine ...

Top 10: Best-looking Italian aeroplanes ...

The P‑51 Mustang became a common choice for air racers in America due to the large number of surplus airframes available ...

Abstract: This article presents a contra-rotating (CR) brushless integrated flux-modulation (BIFM) machine with an open-slot structure for wind power generation, termed CR-BIFM machine. The presented ...

Abstract: This paper presents a noise and vibration analysis of a contra-rotating propeller (CRP) underwater electric propulsion system integrated with a permanent magnet synchronous motor (PMSM) and ...

GE and Lockheed Martin plan to get around this by accelerating the missile using a rotating detonation engine, which uses a supersonic wave of detonating fuel that runs about inside an open-ended ...