Earth Tubes II
From Green Garage Detroit
Revision as of 13:07, 31 March 2010 by Tom Brennan (Talk | contribs)
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Requirements
- 750 cfm
- max 7 ft/sec
- 80 feet long
- affordable
Design / Selection
- Ideas
- reach volume / price balance
- Design
- 6 - 6" pvc tubes ... actually 2 more were placed for the earth room
- Location: backyard
- Length: +/- 80 ft
- Speed = 10.6 ft/sec @ 750cfm
- Chimney
- use new corrugated steel bolted to building (no foundation needed)
- Manifold and filter on top.
- Ladder to roof (need for other purposes)
- Needs a bypass?
- Collect condensation in building in barrels for watering plants inside.
Rationale
- Connectedness to the earth
- net zero-energy
- simplicity
