Base technologies
- Materials for “4x4x1” m with 0.2 m wall = 10 m3 concrete
  - Tube 160mm 1 $se l f ma d eor 3 - 5$ buy 100-200 $/ m 3 = 1000 - 2000$
  - Concrete ~40 $/ m 3 = 400$
  - Steel bar 420 class = 500-700$
  - Membrane Plastic HDPE 100x4x0.002 m 350 $= 50$
  - Integrated mount points, IP68 ???
  - TOTAL 2000-3000$
- Concrete mixing & pouring
  - Base links
- Cube.skp
Engineering systems
- Electical Energy
  - Solar Panels
  - Electric Accumulator
  - 24-48v system
- Water system (depend on Electric 20%)
- Heat system (depend on Electic 40-50% and stove 20-30%)
  - Heatpump - China → Indoneisa 600 to 2000$ depend on functionality Water|Water → cold accumulator
  - Stove from brick → heat, active carbon (400 ‘C),
  - Heat and cold accumulator
- Air system (depend on Electric 50% min)
  - Solar heat collector (handmade) - polycarbonat? Article - Performance Evaluation of PVT Air Collector Coupled with a Triangular Block in Actual Climate Conditions in Korea
Some important videos
- First
- Second
- Third
Proves that solar energy easily can be collected in 20% electric + 30-40% through air system.
- Article - Performance Evaluation of PVT Air Collector Coupled with a Triangular Block in Actual Climate Conditions in Korea

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