Using an automotive alternator to construct a wind-powered electrical generator can reduce or eliminate dependency on "grid" power, even if the wind turbine is only used for lighting or recharging batteries. The average backyard engineer can construct a wind power plant in about two hours.
Build A Wind Generator Using A Truck Alternator If you can turn a wrench and operate an electric drill, you can build this simple generator in two days: one day of chasing down parts and one day assembling the components. You need 4 basic ingredients: a GM pickup truck alternator ($40 new) a GM fan-clutch …
How To Build A Bicycle Generator - Having a manual method of producing power is a great backup in case there is no wind or sun to charge your off the grid batteries in an emergency situation! Get between 75 - 150 watts.
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