Engr305 Appropriate Technology Projects: Difference between revisions

Below are service learning projects from Engr305 Appropriate Technology, which is a course on appropriate technology at Humboldt State University taught by instructor Lonny Grafman.

<gallery perrow=4 caption="Engineering 305 Projects">

File:AEFcurrentmarsh.jpg|

Greywater system at the CSA, Arcata Educational Farm File:Fullsideview1.jpg|

A bike trailer from a converted baby stroller File:Picture A.jpg|

Blue Ox earthen oven File:Wall3.jpg|

Earthen plaster and natural paint recipes File:Coldbox 1.jpg|

An energy efficient solution to a refrigerator File:Finishedfrontgo.jpg|

CCAT's comprehensive composting system File:They are done!.JPG|

Controlled beds of soil above toxic ground File:Retainwall-all2.jpg|

Retaining wall for slope erosion at CCAT File:Cordwood pic..jpg|

Cordwood and mortar wall of CCAT's Greenshed File:Bottle wall.jpg|

Clay-straw slip wall of CCAT's Greenshed File:Cobb project20 (Medium).JPG|

Cob wall of CCAT's Greenshed File:Greenshed west wall.jpg|

Clay-straw slip wall of CCAT's Greenshed File:P5090042.jpg|

CCAT's Greywater Marsh 2008 File:Ccat grywtr inprogress.jpg|

CCAT Greywater Marsh Continued File:Side Rack1.jpg|

Efficient clothes drying system for CCAT File:Wtproject.JPG|

Demonstration wind turbine File:Concretestain bat1.jpg|

Natural concrete stain File:NP78.jpg|

Interior paints from natural ingredients File:Complete Frame.jpg|

Earthen informational kiosk for CCAT File:DSC00118bc.jpg|

Updated version of CCAT pedal powered bicycle File:Peddle grainmill final set-up 0171.jpg|

Pedal powered grain mill for CCAT File:IMG 0024.JPG|

CCAT's current rainwater catchment system File:Slope5.jpg|

A stable slope for planting and attracting beneficial insects File:Improvedfuel8.jpg|

CCAT's improved fuel rocket stove File:Fin2.jpg|

CCAT's vermicomposting bin File:Set - 3 008.jpg|

Replacing CCAT's living roof File:Cs-sfd-Veggie-soup-mix.jpg|

A hybrid, solar food dehydrator File:Presstwo.JPG|

An exploration of compressed earth bricks File:P1020014.jpg|

Solar powered vertical vegetable garden File:Devan hole thing.jpg|

Experimental Vertical Axis Wind Turbine File:Full system -800x600-.JPG|

Instructional Solar Learning Station File:Shelling Peanuts 2.jpg|

Peanut sheller made from clay and newspaper File:Ethanol production suagr ethanol.jpg|

Determining the cost inputs and energy outputs of small scale ethanol production File:Kivagreenhouse1 (45).jpg|

A straw-bale greenhouse File:E millcreekgreywater plant.JPG|

A residential greywater processor File:DUHC Raincatchment System night.jpg|

A rainwater catchment system for residential property File:Finished basket solarcooker.jpg|

Solar cooker out of local invasive species and waste materials File:PCSC - low setting front.jpg|

A solar cooker and chair when not in use File:Bike.stand.generator.1.jpg|

A pedal power generator File:Solarmowerleft.jpg|

An electric lawnmower that utilizes solar power as an energy source File:Synrgy hot box 007.jpg|

A passive solar heating box File:Finishedproject.JPG|

Furniture made from cardboard File:Sun cook.jpg|

An umbrella in the rain, a solar cooker in the Sun File:2sbms garden.jpg|

A garden at Sunny Brae Middle School File:Front barrel.jpg|

A residential rainwater catchment system File:Ethanol production my pipebomb.jpg|

A valved reflux ethanol still File:DownElbow.JPG|

A working model of a Pulser pump File:Oldgrowthbarrels.JPG|

A rainwater catchment system for Old Growth Cellars File:Filled 4534.JPG|

Use of biomass waste charcoal briquettes for rocket stove File:Fig.12.jpg|

roubleshooting, repairing, testing and maintaining a preexisting off-grid photovoltaic system File:Umbrella solar cook complete2.jpg|

A multi-use solar cooker File:Chicken.jpg|

A commercial pastured chicken operation in Arcata, California