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Peakaustria

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?

serge sonnino

Hello,
Great project!
Two aspect, that may be you have already been thinking about:
What about exhaust air heat recycling?
Is it possible to have a down lift with gravity energy production?
Very soon my solar car blog will be translated in english too.

Douglas Miller

A lot of energy will be lost in the stairwells as students climb up and down as many as 22 stories. Is there a way to capture that energy? Perhaps some sort of "pressure to power" pad on each tread?

I would be very unlikely to rent one of the top floor rooms, great view or no. Could hydraulic accumulator powered elevators be used? If they were run on a schedule (i.e. up and down every 10 minutes) there would not be a frequent/random draw of energy.

Another option might be elevators that only stop at every 5th floor, for example. Students would be expected to get off and walk up from the lowest floor of their five floor section of the tower. Every body would only have to climb five stories maximum.

Volker

Going upstairs won't harvest energy, but if you offer a speed-limiting rope engine for going down one floor (like in old firefighter buildings - but holding on to the rope instead of sliding down a pole), the way down would be faster AND generate energy. The staircase could be used downwards for safer transfer (w.g. when transporting stuff).

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The Building

  • Van unnik floor plan 2

The Prototype

  • Hpp