The TLUD Champion is a batch-loading, top-lit up draft stove originally designed in 2005 by Dr. Paul Anderson. Due to open source design and ease of local manufacturing, different versions of the TLUD champion are used in[several countries. Four versions detailed by Dr. Anderson include a refugee stove which can be constructed using minimal tools and recycled materials found in refugee camps. The TLUD Champion can be scaled up based on demand and can operate with a variety of dry, solid biomass. In addition to cooking, the stove produces charcoal (biochar) as a byproduct and can create an economic opportunity for the user. TLUD Champion charcoal buyback programs have been successful in India.
Users seeking a cookstove with low emissions and the ability to produce biochar as an end product.
An overview of manufacturing and building methods can be found in Dr. Anderson’s construction plans
As of 2014 over 16,000 TLUD Champions have been distributed through a gold standard carbon offset program by Atmosfair in India.
– cone-shaped controller for regulation of primary air
– riser provides draft and directs flame to the pot, protects against wind and provides space for complete combustion
– double walled fuel canisters
– second fuel canister available to extend cooking time once the first fuel load is finished
– removable concentrator lid
– tri-pod stand with pot rests and telescopic riser that can slide down and couple with the concentrator lid
– width = 200mm, height = 280mm
– weight of fuel container = 1.6kg
– TLUD stoves can accept a variety of dry, woody biomass as fuel. See the GIZ 2013 publication on Micro-gasification for a thorough analysis of appropriate fuels.
Not specified. The inner fuel cylinder can be replaced as needed by the user.
From the Servals website:
– recognized as a “carbon neutral” initiative, charcoal is taken out of stove and used as a soil conditioner, carbon is removed from the atmosphere and deposited in the soil
– potential to create a series of economic activities around fuel collection and distribution
– saves 75% fuel material compared to a traditional 3 stone fire wood stove
– can accept a lot of waste materials as fuel like twigs, coconut shells, certain husks, dry grass, etc. Some of these fuels are also available at zero costs
– tree felling is not necessary for fuel
From the GIZ 2013 publication on Micro-Gasification:
Burn time for one batch of fuel depending on type of fuel: over 75 minutes on
1,000 g of wood pellets or 45 minutes on 600 g of wood chips. It boiled 5 l of
water without a pot-lid from 11°C in 19 minutes with 384 g of wood pellets or
in 20 minutes with 368 g of wood chips at the Aprovecho Research Institute in
In an effort to standardize cookstove performance an International Workshop Agreement (IWA) was established in 2012. The IWA created tiers of cookstove performance in order to communicate technical information more easily to government, donors, investors, and consumers when making decisions. However, many manufacturers have not tested stoves using the newly adopted IWA performance metrics. See the Global Alliance for Clean Cookstoves for more information. The full IWA document can be viewed here.
Not specified. Wooden handles are featured on both the fuel canister and concentrator lid to prevent user contact with heated materials. Standard precautions should be exercised when handling any heated cooking device.
An optional external fan can be used to turn the Champion into a forced-air gasifier. Optional charcoal burning accessory can be added for simmering with the created char.
A flue gas analyser with MRU NOVA 2000 chemical sensor was used to evaluate the stove. Combustion efficiency tests used were lines C1 11.2.1 and procedure B1.2.2 of the Indian Standards for Solid Biomass Specification
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