Concrete Energy Storage Calculations

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  • 1 cubic meter of concrete weighs 2400 kg
  • MGH - energy if taken up to 100 meters with a crane
  • Common cranes are 80m max and 20ton capacity
  • Take 30 meters tall and 2.5 ton capacity (practical village scale). Can double up as an observatory or sky diner on top.
  • Take 2.5 ton weights - about a cubic meter
  • One 2.5 ton weight raised -