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cool! Great Idea! a small kWh to height calculator for electricity storage aka your gravity lift(no loss included): http://www.pv4.eu/kwh-to-joule-to-specific-weight-to-mass-to-height-water-energy-storage/ maybe for the cooking and washing heat I make a calculator for the exact training or power production plan?

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The Building

  • Van unnik floor plan 2

The Prototype

  • Human power prototype