Dongguan Enuo mold Co., Ltd is a subsidiary of Hong Kong BHD Group, the core business is injection mold manufacturing and injection molding. Furthermore, Enuo mold is also an OEM factory engaged in inspection fixture/Gauge R&D, Die casting, CNC machining, Prototype products R&D, Parts spraying and assembly.
Ducted fans are favored in VTOL aircraft such as the Lockheed Martin F-35 Lightning II, and other low-speed designs such as hovercraft for their higher thrust-to-weight ratio.
In some cases, a shrouded rotor can be 94% more efficient than an open rotor. The improved performance is mainly because the outward flow is less contracted and thus carries more kinetic energy.
Among model aircraft hobbyists, the ducted fan is popular with builders of high-performance radio controlled model aircraft. Internal-combustion glow engines combined with ducted-fan units were the first achievable means of modeling a scaled-size jet aircraft. Despite the introduction of model-scale turbojet engines, electric-powered ducted fans remain popular on smaller, lower-cost model aircraft. Some electric-powered ducted fan airplanes can reach speeds of more than 320km/h (200mph).
Germany has a network of 227 diplomatic missions abroad and maintains relations with more than 190 countries. As of 2011, Germany is the largest contributor to the budget of the European Union (providing 20%) and the third largest contributor to the UN (providing 8%). Germany is a member of NATO, the OECD, the G8, the G20, the World Bank and the IMF. It has played an influential role in the European Union since its inception and has maintained a strong alliance with France and all neighbouring countries since 1990. Germany promotes the creation of a more unified European political, economic and security apparatus.
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