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Old 22-12-2010, 02:42   #1
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Has Anyone Used a Vertical Axis Wind Generator ?

There are some small versions of a wind generator which has a vertical axis and comes in several configurations, simple cups or more complex structure which has a technical name I have forgotten. As I understand it these generators may be slow to get going, and not produce much.

The vertical axis idea seems to have a lot of potential on a boat; the axis could be quite long.

Does anyone have practical experience, or used one on a boat; or has someone some enlightening knowledge to impart?
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Old 22-12-2010, 03:59   #2
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Wondered about this also.Was/is one on ebay.Seems it would have.marc fewer parts
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Old 22-12-2010, 05:33   #3
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Many refer to this as a Savonious Generator...they are very easy (simple) to construct.
A Google search will show lots of sites.
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Old 22-12-2010, 05:46   #4
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They tend to work best at higher wind speeds which means they have a lower output in the more common wind speed range

Vertical axis wind turbine VAWT
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Old 22-12-2010, 09:34   #5
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See also an earlier Cf discussion:
Vertical Axis Wind Generators
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Old 22-12-2010, 09:53   #6
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I would imagine that to be effecient, one would have to be quite large on a boat and therefore, add quite a bit to your windage.
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