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Jeffb47
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We've got a scalable sun tracker that requires no electricity. See << Link removed by Moderator >> Though invented for use as a less expensive alternative to the traditional electric motor solar trackers, we have come to realize that it can actually lift a lot of weight. We haven't tested the limits of its lifting capacity yet, but we know it can easily lift 3,000 lbs per day about 3 feet. We also know that we can scale this up and/or use multiple units to lift much larger weights. So the big question for this forum is: How much weight do we need to lift and how high do we need to lift it in a day to equal the output of one 300w solar PV panel for say 8 hours? To make this simpler, assume we can lift the weight 20 feet. Thank you!
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