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Savonius turbine
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| A low-cost Savonius turbine for domestic use developed by EMAT Ltd, of Gateshead, England
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One of two main types of vertical-axis wind turbine (VAWT); the other is the Darrieus turbine. Invented in Finland, the Savonius turbine is S-shaped if viewed from above. This drag-type VAWT turns relatively slowly, but yields a high torque. It is useful for grinding grain, pumping water, and many other tasks, but its slow rotational speeds make it unsuitable for generating electricity on a large-scale. Small electricity-producing Savonius turbines for domestic use, however, such as the one shown here, have been developed.
Related categories
• WIND POWER
• TURBINES
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