The de Havilland Mosquito was a fast British multi-role combat aircraft that flew in 1940. Powered by two Rolls-Royce Merlin ...
As a light fighter-bomber armed with 250- or 500-lb bombs, the Whirlwind was effective, proving itself in sweeps of the ...
Abstract: To address the challenges in achieving plug-and-play functionality for tiltrotor aircraft, this article proposes a novel coaxial dual-propeller omnidirectional architecture that redefines ...
Researchers at SINTEF have now designed and built new measuring equipment for testing contra-rotating propellers, which are propellers that rotate in opposite directions. This could be good news for ...
Abstract: This paper aims to investigate the vibration performance of an axial flux permanent magnet synchronous machine (AFPMSM) with two contra-rotating rotors. A rapid analytical model of the ...
Back in 2009, a friend bet British cyclist Paul Spencer that he couldn't ride his bike the length of the British Isles in less than a week. Spencer took up the challenge, and completed the route – ...
During World War II, Daimler-Benz explored an unconventional fighter concept built around a massive experimental V16 engine. Instead of placing the propeller at the nose or tail, the design mounted ...