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How to build a windmill operated water well for science project?

Published on January 27, 2010 By admin1

Nicholas A asked: Im building a windmill operated water well for a science project. Its basically a mini windmill that should power a 500g weight to move up, then down after it is fully up, at least 10 times, efficiently. Any ideas/sites to show me how to do this? Sorry the weight is 0.5 N