Lesotho: The Nkokonono (Poloko) Stove
Peter Scott, Aprovecho, October 16, 2003

New Household Stove and Bread Oven For Lesotho
Peter Scott, Aprovecho Research Center, with GTZ, November 2003Supreme

A Visual Guide to Building The Estufa Justa (English and Spanish)
Jim Wilmes, Una-Familia, Trees Water and People

Step By Step Instructions for building a Justa stove by Jim Wilmes, Unafamilia, volunteer for Aprovicho and Trees Water and People

The Justa stove, named for Doña Justa Nuñez of Suyapa, Honduras who helped to design it, is one of many varieties of stoves that use a technology called the "rocket elbow" invented by Dr. Larry Winiarski. The category of stoves is often referred to as "rocket stoves". They are simple biomass stoves built around an insulated, elbow-shaped combustion chamber which provides more intense heat and cleaner combustion than an open fire, while consuming less fuel. In the Justa stove the elbow is formed from two ceramic cylinders made of a mixture of clay, manure and tree resin. Ashes or pumice are usually used for insulation.

The Justa stove has a sealed metal plancha that sits above a stove made of bricks, and a chimney that carries the smoke outside. Other models of rocket stoves may have holes in the plancha. Below the chimney there is a channel that catches the soot that falls down when the chimney is cleaned, so that it can be removed from the stove. One can cook tortillas directly on the metal surface, and cook other foods in metal or enamel pots. The stove is generally built on some type of base that serves as a place to temporarily store firewood or food items that are being prepared. A simple base can be made from concrete blocks and filled with earth. The following pictures show the process that is used in Suyapa, Honduras by the Honduran Development Association (AHDESA) to build the stove. Although most of the people building the demonstration stove in these pictures are men, it is generally the women of the community who build the stoves in Suyapa.

PCIA Stove Training in Mauritania
Mouhsine Serrar, Sunsmiles January 2006

Peace Corp / NEDWA, EPA, Aprovecho

Darfur Humanitarian Stove Project Assessment Report
Daniel Wolf and Mathew Langol
Aprovecho Research Centre and International Lifeline Fund January 2006

Micro Enterprise Stove Project in Honduras Protecting the Environment and Family Health
Stuart Conway, Trees, Water and People January 2006

Trees, Water & People
Honduran Association for Development
Aprovecho Research Center

Trees Water and People Project in Haiti
Jeremy Foster, Aprovecho Research Institute, April 2006

Rocket Stoves in Sub-Saharan Africa
Peter Scott, Aprovecho, October 18, 2004

Dear Stovers

Since Aug 2003, my partner, Jayme Vineyard, and I have been working with GTZ ProBEC (Program for Biomass Energy Conservation) and EAP (Energy Advisory Project) as well as World Food Program and innumerable small businesses to introduce the Rocket Stove principle to a number of countries in Sub-Saharan Africa (Uganda, Kenya, Lesotho, Mozambique, Malawi, and Zambia).


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