GERMANY’S SKYWIND – LIKE LEGOS
A Lego-style wind turbine to reduce emissions and bring wind energy to developing countries
14 October 2015 (Deutsche Welle)
“…Wind turbines are huge, requiring special transport and equipment for assembly. But a German engineer [Frank Richert] is working on a model made of modular parts, which he hopes will help renewable energy go truly global…[I]nstead of starting with steel components at least 30 meters (98 feet) long, the Lego-style tower - called SkyWind - is assembled out of ready-made concrete plates that are 10 meters long…The concrete tower plates are stacked together [and] small steel pillars can be incorporated…[I]nstead of three rotor blades - which is currently the standard…- the SkyWind project uses a two-blade rotor…[but] performance of the windmill is not hampered [and one blade rotor less reduces construction costs and maintenance costs]…A patented self-winding system replaces the [construction] crane…The engineer believes that his technology is particularly well-suited for conditions in developing nations, where infrastructure is often weak and heavy machinery is scarce…” click here for more
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