Income Generation

Solar Lighting Improvements

Class-Research-Fieldwork: 
150 Projects Tags: 
Status: 
Reviewed
A solar lighting system is a green alternative to grid electricity for lighting a house. At AVANI, solar lighting systems are locally made for people around the area to also provide job opportunities for people as solar technicians. D-Lab students designed a new circuit to reduce the price and increase the lanterns' efficiency.
Uttrakhand

Logistics for the Base of the Pyramid

Class-Research-Fieldwork: 
150 Projects Tags: 
Status: 
Completed
We examine the operations management of enterprises that target the base of the pyramid, which accounts for almost 2/3 of the world population. The main focus will be on creating tools for supply chain design and coordination that can help businesses grow, empower communities and promote sustainable development.
Africa

Pedal-Powered Paste Maker

Class-Research-Fieldwork: 
Status: 
Reviewed
Sesame and groundnut paste are staples in the Acholi diet. D-Lab worked with community members to design and then redesign a pedal-powered paste maker that could replace traditional grinding stones which are both time and labor intensive.
Pader

Treadle Pump Testing

Class-Research-Fieldwork: 
Status: 
Reviewed
Irrigation technologies remain out of reach for most subsistence farmers; hand irrigation is time consuming, wasteful or often impractical. Our team worked with rural farmers to build and test a low-cost treadle pump developed by International Development Enterprises (IDE) Ghana.
Gomboi and Dwere

Rocker Water Pump Testing

Class-Research-Fieldwork: 
Status: 
Reviewed
Irrigation technologies remain out of reach for most subsistence farmers and hand irrigation is time consuming, wasteful or often impractical. Our team worked with rural farmers to build and test a cement rocker water pump developed by the Full Belly Project.
Gomboi and Dwere

Straw Chopper

Class-Research-Fieldwork: 
150 Projects Tags: 
Status: 
Reviewed
The market for mushrooms in India is steadily growing. Mushrooms are grown in media made from rice straw, a common waste product for Assamese farmers. Students are designing an affordable device to chop the straw is easier to use than the existing machines.
Assam

Moringa Seed Sheller

Class-Research-Fieldwork: 
150 Projects Tags: 
Status: 
Reviewed
Moringa is an exceptionally nutritious plant grown in Asia, Africa, and Latin America. Oil can be extracted from moringa seeds and has a number of beneficial uses. The seeds come in a shell; removing the shell can give higher yield of oil using a simple press. Students are currently designing an inexpensive moringa shelling machine.
New Longoro

Briquette Work Station

Status: 
Reviewed
A process was developed, using D-Lab charcoal presses, to make charcoal production faster and more ergonomic by allowing several people to work simultaneously on the different steps of the briquette-making process while standing comfortably at a work table.
Lusaka

Dwere River Crossing

Class-Research-Fieldwork: 
Status: 
Reviewed
The women of Dwere sell clay to earn money for medicine, clothing and school fees. They carry loads of up to 100 lbs on their heads across a river, which can be treacherous. During the rainy season, the river is too high to cross, which limits their earnings. D-Lab is working with the community to construct a low-cost foot bridge.
Dwere

Low-Cost Groundnut Sheller

Class-Research-Fieldwork: 
Status: 
Reviewed
Groundnuts are a staple food, but shelling nuts by hand is both time consuming and tedious. While there are several low-cost machines that can speed this process up, these devices can require unavailable parts, expensive materials or a high skill level to make. This new design is fast, easy to assemble, and costs less than $7 USD.
New Longoro

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