The Russians have completed the conceptual and preliminary design phases of the new NW.17 helicopter, which aims to fill the gap between light helicopters, such as the Ansat, and heavy transport ...
[Tom] went through a lot of design considerations to arrive at the helicopter design. He considered counter-rotating props, but there were a host of problems involved. He finally settled on a ...
NASA's Mars Chopper concept, shown in a design software rendering. NASA has unveiled the successor of its highly successful Ingenuity helicopter that roamed over the surface of Mars for over three ...