wind machine
41Community wind energy — Wind turbines at Findhorn Ecovillage make the community a net exporter of electricity. Community wind projects are locally owned by farmers, investors, businesses, schools, utilities, or other public or private entities who utilize wind energy to …
42Unconventional wind turbines — Wind turbines History Design Manufacturers Unconventional As of 2010, the most common type of wind turbine is the three bladed horizontal axis wind turbine (HAWT). This article deals with various types of wind turbine that differ from the… …
43Doubly fed electric machine — Doubly fed electric machines are electric motors or electric generators that have windings on both stationary and rotating parts, where both windings transfer significant power between shaft and electrical system. Doubly fed machines are useful… …
44Doubly-fed electric machine — Doubly fed electric machines (i.e., electric motors or electric generators) belong to a category of electric machines that incorporate two multiphase winding sets of similar power rating that have independent means of excitation. As a result,… …
45Sailing faster than the wind — Devices that are powered by sails (such as sailboats, iceboats and sand yachts) can sail (that is, advance over the surface) faster than the wind.[1] Such devices cannot do this when sailing dead downwind using simple square sails that are set… …
46History of wind power — This article is about the history of wind power. Early history Sailboats and sailing ships have been using wind power for at least 5,500 years, and architects have used wind driven natural ventilation in buildings since similarly ancient times.… …
47Compact wind acceleration turbine — Compact Wind Acceleration Turbines (CWATs) are a class of wind turbine that uses structures to accelerate wind before it enters the wind generating element.[1] The concept of these structures has been around for decades [2] but has not gained… …
48First flying machine — There are conflicting views as to what was the first flying machine. This kind of controversy of invention is not limited to flight. For example, debates over the tallest building tend to break into debates around what constitutes a building and… …
49Merrick Machine Company — is a U.S. manufacturer based out of Alda Nebraska that produces custom automated housing machinery, The Auto Dolly,[1] and The Auto Dolly accessory products, Merrick Originals.[2] Merrick Machine Co was the founding business under the parent name …
50The Wind in the Willows (1996 film) — The Wind in the Willows UK film poster Directed by Terry Jones Produced by …
