Renewable Energy for the Poor Man
By desiring little, a poor man makes himself rich. –Democritus
Showing posts with label
water wheel
.
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Showing posts with label
water wheel
.
Show all posts
Thursday, July 30, 2009
River Turbine
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Water typically has about 780 times the density of air (if my math is right). That means that a small drag type or savonious turbine could...
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