MESSRS. ROTOL AIRSCREWS, LTD., have now completed the development, to the production stage, of a constant speed contra–rotating airscrew, the principle of which was mentioned in NATURE of May 17, 1941 ...

We interviewed the core team at Norway's World Wide Wind (WWW) to learn more about its floating, tilting, contra-rotating, double turbine design, which it says can unlock unprecedented scale, power ...

Norwegian startup company World Wide Wind (WWW) has unveiled designs for floating vertical axis wind turbines (VAWTs) for offshore wind farms to generate renewable energy. The turbines feature two ...

MTU is initiating a technological programme, centred on geared turbofan development, which aims to reduce carbon dioxide emissions from powerplants by up to 30% within 30 years. The Munich-based ...