Engr305 Appropriate Technology Projects: Difference between revisions

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

• 
  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 Raised Garden Beds
  Controlled beds of soil above toxic ground
• 
  CCAT Retaining Wall
  A retaining wall for slope erosion
• 
  CCAT greenshed north wall
  The cordwood and mortar wall of CCAT's Greenshed
• 
  CCAT greenshed west wall
  The clay-straw slip wall of CCAT's Greenshed
• 
  CCAT Greenshed south wall
  Cob wall of CCAT's Greenshed
• 
  CCAT Clay-straw slip wall
  The Clay-straw slip wall of CCAT's Greenshed
• 
  CCAT greywater marsh (2008)
  CCAT's Greywater Marsh 2008
• 
  CCAT greywater marsh (current)
  The CCAT Greywater Marsh Continued
• 
  CCAT clothes drying
  An efficient clothes drying system for CCAT
• 
  AEF photovoltaic system
  Modified off-grid photovoltaic system
• 
  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 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