[Stoves] Discussion of biomass cooking stoves <>

[Paul S. Anderson]

Dear Paal,

Congratulations on the start of the project in Zambia.  Please tell us more
about it.  With whom are you working?  Will you be going there? length of time
and scope of the project.

TLUD projects in developing countries now include the BP Oorja with 
forced air,
the Zambia natural draft stove project you describe, and the start-up project
in Chennai (with natural draft.)  We have little info about the activities in
China (Daxu stove is natural draft).  And I am not sure if Belonio's 
forced air
TLUDs are into the "projects in communities stages" yet.

About the fuel issue in Zambia:  180 sprouting trees gives a family of 
5 about 2
kg of woody fuel per day for a whole year.  365 x 2 = 730 kg.  Also, 15
sprouting trees per month, or about 1/2 a sprout per day.

What can be told about the spacing of the trees?  I assume these are 
like willow
or eucalyptus or other, sprouting from established roots of a "stump".  
Because
there can be several sprouts per stump, is it one sprout or one stump (with
several sprouts) that counts as "one"?  How much land is needed.

Keep up the good work.

Paul
>
>            What we know is that if a household of five have 360 fast 
> growing trees which can be cut down every year, half of the shooting 
> from the stem will provide enough fuel for cooking the whole year and 
> the rest can be sold. This one inch shootings is easy to cut with a 
> machete and a household need about 2 kg a day for cooking. We don't 
> want to take the job from the charcoal business and will involve them 
> from the very beginning for producing, choppings and sales of fuel. 
> We also know the local tinsmiths needs jobs and will train them for 
> production of stoves. The end users need training to handle the new 
> technology. We want the whole community to participate in the process 
> of the changes
>
>

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