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Sharing knowledge to build rich, sustainable lives.

Appropedia is for collaborative solutions
in sustainability, appropriate technology and poverty reduction.

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your site to find, co-create and improve the solutions we need. Our vision and mission.

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Windmillprint-crop.jpg Yes it is possible to print a windmill with a 3D printer for a fraction of the cost of manufacturing one conventionaly. Learn more about open-source 3-D printing of open source appropriate technology for sustainable development.


Luggage carrier for transport bicycle
Luggage carrier for transport bicycle. Bicycles are used for transporting bulky and heavy loads. It is trickey to do this in a way that it is still possibe to pedal the bicycle. In practice sometimes special racks are permanently attached to the bicycle. Such racks may hinder the more normal use of this bicycle. Moreover normal bicycles are not build to take heavy loads over rough roads. Special bicycles for heavy loads are not generally available. An alternative could be a load carrier characterized with the following: the load does not rest on the frame of the bicycle, but is transferred directly to the wheelaxles; it is easy to mount and remove the load rack; such a load rack can be made by the user and adapted to the load to be transported. The load rack should not be in the way to push the loaded bicycle or to ride it.

To make sure that the load put on the bicycle is mainly transferred to the wheel axle, straps are attached where the wheel axles are bolted to the bicycle frame. These straps are made by winding some thin wire around frame and axle and twisting it into a loop. In each strap fits the tapered end of a straight stick roughly one and half a meter long.

Hexayurt Project

The Hexayurt is a refugee shelter system that uses an approach based on "autonomous building" to provide not just a shelter, but a comprehensive family support unit which includes drinking water purification, composting toilets, fuel-efficient stoves and solar electric lighting. 8/15/07 Update: Winner of the Treehugger Participate! contest for Burning Man.

William Cullen Bryant
A breeze came wandering from the sky, light as the whispers of a dream; He put the overhanging grasses by, and softly stooped to kiss the stream, The pretty stream, the flattered stream, The shy, yet unreluctant stream of wind.

William Cullen BryantW
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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ENGR 215 Introduction to Design projects – Spring 2009: WaterPod: The Spring 2009 semester of ENGR215 Introduction to Design worked with the WaterPod to research, design, and build systems that foster the artists living sustainably onboard a barge in the waterways of New York City.

Spring 2009 ENGR 215 Intro to Design Projects - WaterPod
Bicycle Energy Generator
An alternative way to convert kinetic energy to AC power by means of a bicycle energy generator  
Soil-less Growing System
A system that would grow food for the occupants of the barge without the presence of soil  
Filter Commander 9000
A water filtration system to make drinkable water from rainwater catchment  
Tour de Volts
A bicycle as a power source to provide a bit of extra energy to the WaterPod  
WaterPod Hang Thyme
A hydroponic green wall that is used to grow herbs in minimal amounts of space  
FBD Rainwater Purification
Exists to provide clean drinking water for the WaterPod Project  
Coopatron 5000
A chicken coop designed to supplement the dietary needs of the inhabitants of the WaterPod  
Rocket Stove
To provide a reliable and sustainable means of cooking by minimizing fuel use and optimizing efficiency  
Pico in a Bucket
To harness the kinetic energy of the falling water from the overflow of the WaterPod's water tower  
WindPod Turbine
A vertical access wind turbine that uses the power of the wind coming from any direction to create energy  
Composting Toilet
Duchamp de Loo, is a composting toilet system that can be used and can educate people about environmental ways to get rid of human waste  

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