Portal:Projects

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The Projects Portal

Sharing knowledge to build rich, sustainable lives.
Appropedia is the site for collaborative solutions in sustainability, poverty reduction and international development through the use of sound principles and appropriate technology and the sharing of wisdom and project information. It is a wiki, a type of website which allows anyone to add, remove, or edit content. Registration is encouraged but not required for contributors.

Appropedia has been described as an "appropriate technology wiki," but it is much broader than that - it is a green wiki, and a wiki for all matters of international development and aid. But most importantly, Appropedia is an open site for stakeholders to come together to find, create and improve scalable and adaptable solutions. For more about our motivation, see Appropedia:Mission.

To create a new project page, first browse the project articles and subcategories below for examples and check for possible collaboration opportunities, such as articles similar to what you're considering writing. If you are looking for ideas for your own project, check out our suggested projects. It is highly encouraged to tag your projects with their status -- you can do this with a few templates. Be Bold!

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Selected page

Appropriate Technology Engineering 305 class
Parabolic basket and tin can solar cooker. The objective of this project is to create a solar cooker out of local invasive species and waste materials. We want to create a device that can pasteurize water and be an alternative to the use of fossil fuels for cooking food. Our criteria for evaluating the appropriateness of technology are: use of local materials, efficiency, durability, ease of use, ease of construction, cost, impact on environment, impact on culture/lifestyle, education or expertise needed for construction.

Overall this was a successful project. We were able to meet our goal of pasteurizing water. The solar basket can pasteurize water in a quart container in about an hour with optimal conditions. If we were to make the solar basket version 2.0, here are some changes we would make: 1. double up the blackberry runners so that the ribs of the basket are stronger; 2. use another material instead of pampas grass because it causes lumps on the basket's surface, maybe something softer; 3. use all large can lids, of the shiniest quality; and 4.construct the rings that hold the parabolic shape out of a less flexible material than the aluminum and wire that we found.

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Things you can do

Open_source_3-D_printing_of_OSAT

Open source 3D printers, such as the Rep Rap, are being used to create open source appropriate technologies such as the DremelFuge.

This OSAT has been designed but not yet tested - use at own risk.
This OSAT has been modeled.
This OSAT has been prototyped.
This OSAT has been verified by: Name of organization.
This OSAT has been deployed by: Whom at least: How many times in: Where.

You can help Appropedia by contributing to the next step in this OSAT's status.

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Projects gallery


AEF greywater: Recreating a failing greywater marsh at the Arcata Educational Farm.  
Aleiha's parabolic solar cooker: A very hot parabolic solar cooker.  
Argentina photovoltaic: A small photovoltaic system for a natural building/permaculture institute in Central Argentina.  
Backpack frame bike trailer: Big Russ towing one of the least-expensive bike trailer designs out there built from an old backpack-frame.  
Bike snow plow: A retractable snow plow for a bike.  
Bloomfield Cobb Bench: A cobb bench at Bloomfiled Elementary School in Arcata, CA.  
Briceland PV: 960W photovoltaic installation in Briceland, CA.  
CCAT's Vermicomposting Bin: Beautiful, pentagonal, Douglas Fir worm bin.  
CCAT's Living Roof: A living roof for CCAT's Earthen Oven.  
Chris's ENGR305 Solar Food Dehydrator: A hybrid solar food dehydrator, that adheres to as many of the principles of modern food dehydration.  
DIF Adobe Senior Center: Building an Adobe senior center in Parras, Coahuila México.  
Ersson rainwater harvest and purification (original): Rainwater catchment and purification system, at less than $1500  
Greywater Ecuador La lagrima purificadora: Greywater in an Ecuadorian seed saving center.  
Hotel Perote Solar Pool Heating System: Solar hot water system for a hotel pool in Parras, Coahuila México.  
Kiva’s straw bale greenhouse: Year round veggies in a homemade, just under the permitting limit, strawbale greenhouse.  
Micro filter dams at Pedregal in Oaxaca, Mexico  
Occidental greywater: A five stage, activated sludge greywater system in drums.  
Open Solar Outdoors Test Field
Open source photovoltaic
systems performance data  
Openstreetmap
Copyright free
Map Making  
Photovoltaic system at St. Jude's church: St. Jude's Church, Cupertino, CA  
Rainwater catchment at Pedregal in Oaxaca, Mexico  
Reforestation at Pedregal in Oaxaca, Mexico  
Solar Charged Lawnmower: Converting a very used gas power lawnmower into a solar charged, low emission, almost silent, lawn cutting machine.  
Sunny Brae Yurt: Building yurt to brave Humboldt's winter. Arcata, CA.  
Terraces and Ditches at Pedregal in Oaxaca, Mexico  
Tire shingles: Roof shingles made from old racing slicks.  
UTC Solar Distiller: Building a prototype solar distiller in Parras, Coahuila México.  
Zaragoza Solar Hot Water System: Solar hot water system for a residence in Parras, Coahuila México.  

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