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Tips on wind power? Answered

I am looking for tips on creating a small windmill to charge a twelve volt battery. what is the best type of motor to use? Does anyone know how to make a charging circuit, so that even when the winds are low, it can charge the battery? What is the best type of battery? Are there any other questions i should be asking about wind power, and what are the answers to them?


 I use savonius wind turbine 

I use power wheel chair motors that i cut the gearboxes off of. I get the motors for free from the chair repair places in the city. They give them to me for FREE because they just throw them out any way. The instructable "How I Built an electricity producing wind generator has a charge controller schematic featured. Any thing else you want to know ? kb1lzl@yahoo.com

Lead acid is the way to go! get a charge controller