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File:Cobb project20 (Medium).JPG|<big><center>'''[[CCAT Greenshed south wall]]'''</center></big> <br> Cob wall of CCAT's Greenshed | File:Cobb project20 (Medium).JPG|<big><center>'''[[CCAT Greenshed south wall]]'''</center></big> <br> Cob wall of CCAT's Greenshed | ||
File: | File:They are done!.JPG|<big><center>'''[[CCAT Raised Garden Beds]]'''</center></big> <br> Controlled beds of soil above toxic ground | ||
File: | File:Retainwall-all2.jpg|<big><center>'''[[CCAT Retaining Wall]]'''</center></big> <br> A retaining wall for slope erosion | ||
File:CurrentWall.JPG|<big><center>'''[[AEF informational kiosk]]'''</center></big> <br> An earthen informational kiosk | File:CurrentWall.JPG|<big><center>'''[[AEF informational kiosk]]'''</center></big> <br> An earthen informational kiosk | ||
File: | File:Everything.jpg|<big><center>'''[[CCAT Small Rainwater Catchment]]'''</center></big> <br> A rainwater catchment system | ||
</gallery> | </gallery> | ||
Revision as of 00:33, 17 January 2011
Engineering 305 (Engr 305), Appropriate Technology, is a course on appropriate technology at Humboldt State University taught by instructor Lonny Grafman. See past projects below.
Past Projects
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AEF greywater
Greywater system at the CSA, Arcata Educational Farm -
AEF food dehydrator
A solar dyhedrator to help preserve surplus crops -
AEF informational kiosk
An earthen informational kiosk -
AEF photovoltaic system
Modified off-grid photovoltaic system -
AEF solar water heater
Improved solar water heating system -
AEF spiral herb garden
Restored the existing herb spiral -
Air Ship Air City rooftop greywater filtration
A rooftop greywater filtration system -
Aleiha's parabolic solar cooker
Parabolic Solar Cooker -
Amal's ethanol still
A valved reflux ethanol still -
Bike trailer
A bike trailer from a converted baby stroller -
Blue ox earthen oven
The Blue Ox earthen -
Bottoms strawbale earthen plaster
Earthen Plaster and Natural Paint Recipes -
CCAT Cold Box
an energy efficient solution to a refrigerator -
CCAT Compost System
CCAT's comprehensive composting system -
CCAT Clay-straw slip wall
The Clay-straw slip wall of CCAT's Greenshed -
CCAT Greenshed south wall
Cob wall of CCAT's Greenshed -
CCAT Raised Garden Beds
Controlled beds of soil above toxic ground -
CCAT Retaining Wall
A retaining wall for slope erosion -
AEF informational kiosk
An earthen informational kiosk -
CCAT Small Rainwater Catchment
A rainwater catchment system
.JPG)
